Gleason-Pfauter Maschinenfabrik GmbH

Germany

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Date
2025 February 1
2025 (YTD) 1
2024 5
2023 4
2022 9
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IPC Class
B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof 44
B23F 19/10 - Chamfering the end edges of gear teeth 27
B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth 21
B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups 13
B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth 11
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Status
Pending 12
Registered / In Force 80

1.

CHAMFERING TOOL, CHAMFERING SYSTEM, GEAR-CUTTING MACHINE AND METHOD FOR CHAMFERING TOOTHINGS

      
Application Number 18938684
Status Pending
Filing Date 2024-11-06
First Publication Date 2025-02-20
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a chamfering tool (4) for chamfering workpiece toothings (22), comprising a helical toothing having, for each flight, a plurality of teeth (5) with a geometrically defined cutting edge and having a tooth profile (8, 9; 8′, 9′) which is designed for single-flank machining in rolling machining engagement with the workpiece toothing and asymmetrical as viewed in the axial section of the tool. The invention further relates to a chamfering system (100), to a gear-cutting machine, and to a method for producing a chamfer on the tooth edges of a tooth flank side of a workpiece toothing.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 21/16 - Hobs

2.

GEAR PROCESSING BY HOB PEELING, HARD PEELING OR GEAR SHAPING, AND CORRESPONDING GEAR CUTTING MACHINE

      
Application Number EP2024055908
Publication Number 2024/188773
Status In Force
Filing Date 2024-03-06
Publication Date 2024-09-19
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for generating or processing at least one gear toothing on at least two workpieces by hob peeling, hard peeling or gear shaping, with a toothed tool in the form of a peeling wheel or shaping wheel which on a first end face has a cutting edge along a first tooth flank and along a second tooth flank of a tool tooth, wherein the profile of the cutting edge on the first tooth flank on the first end face is formed asymmetrically with respect to the profile of the cutting edge on the second tooth flank on the first end face, and the gear processing of one of the at least two workpieces is carried out with the cutting edges of the first end face, and cutting edges are likewise formed on the second end face of the tool opposite the first end face and carry out the gear processing of another of the at least two workpieces, wherein on the second end face the profile of the cutting edge on the first tooth flank is identical to the profile of the cutting edge on the second tooth flank on the first end face and the profile of the cutting edge on the second tooth flank is identical to the profile of the cutting edge on the first tooth flank on the first end face.

IPC Classes  ?

  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
  • B23F 21/12 - Milling tools
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 21/10 - Gear-shaper cutters having a shape similar to a spur wheel or part thereof

3.

METHOD FOR MACHINING A TOOTH FLANK REGION OF A WORKPIECE TOOTH ARRANGEMENT, CHAMFERING TOOL, CONTROL PROGRAM HAVING CONTROL INSTRUCTIONS FOR CARRYING OUT THE METHOD, AND GEAR-CUTTING MACHINE

      
Application Number 18559589
Status Pending
Filing Date 2022-05-10
First Publication Date 2024-07-11
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for machining a tooth edge, formed between a tooth flank and an end face of a workpiece tooth arrangement, by means of a tool tooth arrangement, in which method the tooth arrangements rotate about their respective tooth arrangement rotational axes in mutual rolling coupling. According to the invention, it is provided that the two tooth arrangement rotational axes be substantially parallel to each other and the machining be carried out over a plurality of workpiece rotations, wherein a first relative movement, parallel to the workpiece rotational axis, between the workpiece tooth arrangement and the tool tooth arrangement is carried out, and the position of the envelope of the tool tooth rolling positions is shifted relative to the engagement position of said envelope with the tooth flank of the workpiece tooth arrangement in the plane orthogonal to the workpiece rotational axis, transversely to the profile of the workpiece tooth arrangement, by means of a second relative movement, which is varied in particular according to the movement state of the first relative movement.

IPC Classes  ?

  • B23F 1/02 - Making gear teeth by tools of which the profile matches the profile of the required surface by grinding

4.

METHOD FOR GEAR SHAPING A TOOTHING, CONTROL PROGRAM, AND GEAR SHAPING MACHINE FOR CARRYING OUT THE METHOD

      
Application Number 18551210
Status Pending
Filing Date 2022-03-15
First Publication Date 2024-05-30
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kleinbach, Kurt

Abstract

The invention relates to a method for gear shaping a toothing (55) with a specified normal pitch (mn), angle of action (α), and optionally a helix angle (β) on a workpiece (50), wherein a shaper cutter (40) moving in stroke cycles with a specified stroke length (h) removes material from the workpiece in multiple working strokes in a rolling machining engagement, thereby forming contact tracks, wherein the contact track on the partial circle in the stroke center runs at an angle (γ) to the flank line (57) at least for a first plurality of strokes, the cotangent of said angle being smaller than or equal to the product of a constant of 40, preferably 33, in particular 25, and a geometry/process factor.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 23/00 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines

5.

METHOD FOR TOOTHING MACHINING WITH SUBSEQUENT CHAMFERING

      
Application Number EP2023080880
Publication Number 2024/099987
Status In Force
Filing Date 2023-11-06
Publication Date 2024-05-16
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Krömer, Markus
  • Schmezer, Ralf

Abstract

The invention relates to a method for toothing machining, in which, on a toothing machine controlled by a control device, a toothing system is produced or machined on a workpiece clamped on a workpiece spindle arranged at a first machine location by a toothing tool which is driven rotationally on a first tool spindle, and, in the same workpiece clamping operation or in a clamping operation of the machined toothed workpiece on a workpiece spindle arranged at a second machine location, a chamfer is subsequently produced on a tooth end edge of the tooth flank of the workpiece toothing system with synchronized rotation of the workpiece and a chamfering tool attached to the workpiece and driven rotationally by a second tool spindle, and with an advancing movement between the chamfering tool and the workpiece in a cutting manner with a cutting edge of the chamfering tool, wherein, during chamfering, the axial spacing between the rotational axes of the workpiece and the chamfering tool is not greater than half a spacing of the workpiece toothing system, the axis intersection angle between the tool rotational axis and the workpiece rotational axis and/or the axle intersection angle between the tool rotational axis and a surface perpendicular to that end surface of the workpiece which adjoins the machined tooth end differs from 90° by not more than 12°, preferably not more than 8°, in particular not more than 4°, the predominant direction component of the advancing movement runs in the direction of the tool rotational axis, and, at any rate in its portion which forms the chamfer in the region of half a tooth height of the workpiece toothing system, the cutting edge has a greater direction component in the direction of the rotational axis of the chamfering tool than in the rotational plane which is orthogonal with respect to the latter.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

6.

METHOD FOR SHAPING A PERIODIC STRUCTURE, IN PARTICULAR A TOOTHING, AND LIFTING CAM

      
Application Number 18555028
Status Pending
Filing Date 2022-04-19
First Publication Date 2024-04-18
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kleinbach, Kurt
  • Zaghbib, Amine
  • Kern, Simon
  • Mayer, Sven

Abstract

The invention relates to a method for shaping a periodic structure, in particular a toothing on a workpiece, wherein a lifting mechanism lifts the shaping tool, within the working stroke, off of the workpiece for the return stroke after a machining operation, characterized by a rotational angular region of the lifting cam functionally assigned to a circumferential cam profile region of a lifting cam, the same driven to rotate by a motor, of the lifting mechanism, which circumferential cam profile region determines the engagement distance between the shaping tool and the workpiece in a working stroke portion of a stroke cycle, wherein the rotational angular region of the lifting cam is passed through a further time—albeit in the opposite direction of rotation—during the same stroke cycle.

IPC Classes  ?

  • B23F 5/12 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting
  • B23F 23/00 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
  • B23Q 15/007 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece

7.

METHOD FOR MACHINING TOOTHING SYSTEMS

      
Application Number 18005230
Status Pending
Filing Date 2021-07-20
First Publication Date 2023-08-24
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a method for machining toothing systems, in which, for a series of workpieces with an identical target geometry, a toothing system is produced or machined on a respective workpiece in a first machining operation and, in a second machining operation, with a machining tool, additional tooth shaping of the toothing system resulting from the first machining - in particular, chamfering of a tooth end edge of this toothing system - is carried out in a relative positioning with respect thereto, wherein a controller of the second machining operation automatically detects, at least in part, a change in a workpiece property, which is in particular independent of the first machining operation, and/or in a setting of the first machining operation - in particular, with respect to a respectively predetermined reference - and carries out the relative positioning as a function of the detected change.

IPC Classes  ?

  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling

8.

METHOD FOR MACHINING AND PRODUCING A TOOTHED PORTION ON A WORKPIECE

      
Application Number 18005368
Status Pending
Filing Date 2021-07-22
First Publication Date 2023-08-24
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

the invention relates to a method for machining or producing a toothed portion (2) on a workpiece by means of a tool toothed portion (4), wherein the tool toothed portion is brought into a first machining engagement with the rotating workpiece toothed portion clamped in a clamped setup, such that there is rolling coupling which assigns the teeth of the tool toothed portion to the tooth spaces of the workpiece toothed portion, and wherein the tool toothed portion is brought into a second machining engagement phase-shifted by at least one fourth of the pitch in comparison with the rolling coupling of the first machining engagement at the machining distance of deepest advancement, said second machining engagement having increased machining distance from the workpiece toothed portion clamped in the same clamped setup of the first machining engagement in comparison with the deepest advancement of the first machining engagement. The invention also relates to a control program having control instructions, which, when executed on a controller of a gear cutting machine, cause said gear cutting machine to carry out the method. The invention also relates to a gear cutting machine therefor.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

9.

METHOD FOR MACHINING A TOOTH FLANK REGION OF A WORKPIECE TOOTH ARRANGEMENT, CHAMFERING TOOL, CONTROL PROGRAM HAVING CONTROL INSTRUCTIONS FOR CARRYING OUT THE METHOD, AND GEAR-CUTTING MACHINE

      
Application Number 17905422
Status Pending
Filing Date 2021-03-05
First Publication Date 2023-05-25
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for machining a tooth edge formed between a tooth flank and an end face (2b) of the workpiece tooth arrangement (3), by means of a tool tooth arrangement (13), in which method the tooth arrangements (3, 13) rotate about their respective tooth arrangement rotational axes (C, B) in mutual rolling coupling, wherein the two tooth arrangement rotational axes (C, B) are substantially parallel to each other and the machining is carried out over a plurality of workpiece rotations, and wherein a first relative movement (Z) between the workpiece tooth arrangement (3) and the tool tooth arrangement (13), parallel to the workpiece rotational axis, is carried out and the position of the envelope (28) of the tool tooth rolling positions (29i) is shifted relative to the engagement position of said envelope with the tooth flank of the workpiece tooth arrangement in the plane (X-Y) orthogonal to the workpiece rotational axis (C), transversely to the profile of the workpiece tooth arrangement, by means of a second relative movement (V), which in particular is varied according to the movement state of the first relative movement. The invention also relates to a chamfering tool, to a control program having control instructions for carrying out the method, and to a gear-cutting machine.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/12 - Milling tools
  • B23F 5/00 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made

10.

METHOD FOR AUTOMATICALLY TRANSPORTING WORKPIECES TO A GEAR-CUTTING MACHINE

      
Application Number EP2022081540
Publication Number 2023/083993
Status In Force
Filing Date 2022-11-10
Publication Date 2023-05-19
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Philippin, Matthias

Abstract

The invention relates to a method for automatically transporting workpieces with a diameter of more than 200 mm in particular and/or a weight of more than100 kg in particular to a gear-cutting machine which subjects the workpieces to a gear-cutting machining process. A workpiece is gripped by two gripper arms, which carry out motor-driven movements relative to each other, at a supply location and is moved in a motor-driven manner from the supply location to a receiving location of the gear-cutting machine along a movement path in a state in which the workpiece is gripped by the two gripper arms by means of a common movement of the two gripper arms, said common movement being produced by at least two motor drives which are actuated in a coupled manner and one motor drive of which is a first motor drive that contributes to or produces the relative movement.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B23Q 7/04 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers

11.

METHOD FOR MACHINING A TOOTH FLANK REGION OF A WORKPIECE TOOTH ARRANGEMENT, CHAMFERING TOOL, CONTROL PROGRAM HAVING CONTROL INSTRUCTIONS FOR CARRYING OUT THE METHOD, AND GEAR-CUTTING MACHINE

      
Application Number EP2022062597
Publication Number 2022/248211
Status In Force
Filing Date 2022-05-10
Publication Date 2022-12-01
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for machining a tooth edge which is formed between a tooth flank and a face side of a workpiece tooth arrangement using a tool tooth arrangement in which the tooth arrangements rotate in rolling-contact coupling with one another about their respective tooth arrangement axes of rotation. According to the invention, it is provided that the two tooth arrangement axes of rotation are substantially parallel to each other and the machining is undertaken over a plurality of workpiece rotations, wherein a first relative movement parallel to the workpiece axis of rotation is executed between the workpiece tooth arrangement and the tool tooth arrangement, and, by means of a second relative movement, which is varied in particular depending on the movement status of the first relative movement, the position of the envelope of the tool tooth rolling-contact positions relative to their engagement position with the tooth flank of the workpiece tooth arrangement is displaced transversely with respect to the profile of the workpiece tooth arrangement in the plane orthogonal to the workpiece axis of rotation.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/12 - Milling tools
  • B23F 1/00 - Making gear teeth by tools of which the profile matches the profile of the required surface
  • B23F 5/00 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made

12.

METHOD FOR SHAPING A PERIODIC STRUCTURE, IN PARTICULAR A TOOTHING, AND LIFTING CAM

      
Application Number EP2022060233
Publication Number 2022/223513
Status In Force
Filing Date 2022-04-19
Publication Date 2022-10-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kleinbach, Kurt
  • Zaghbib, Amine
  • Kern, Simon
  • Mayer, Sven

Abstract

The invention relates to a method for shaping a periodic structure, in particular a toothing on a workpiece, in which a motor-driven lifting mechanism lifts the shaping tool off from the workpiece for the return stroke after processing in the working stroke, characterised by a rotational angle range of the lifting cam, which is associated with a circumferential cam profile range of a lifting cam of the lifting mechanism driven in rotation by the motorised drive and determines the degree of engagement between the shaping tool and the workpiece in a portion of the working stroke of a lifting cycle, said rotational angle range being run through one more time during the same lifting cycle, but in the reverse direction of rotation.

IPC Classes  ?

  • B23F 1/04 - Making gear teeth by tools of which the profile matches the profile of the required surface by planing or slotting
  • B23F 5/12 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting
  • B23Q 15/007 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
  • B23Q 1/68 - Movable or adjustable work or tool supports characterised by the purpose of the movement for withdrawing tool or work during reverse movement
  • B23F 23/00 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines

13.

METHOD FOR PRODUCING OR MACHINING, BY CUTTING, AN IDENTICAL SET OF TEETH ON EACH OF A PLURALITY OF WORKPIECES, AND MACHINE GROUP AND CONTROL PROGRAM THEREFOR

      
Application Number 17754077
Status Pending
Filing Date 2020-09-23
First Publication Date 2022-10-20
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for producing or machining, by cutting, an identical set of teeth on each of a plurality of workpieces, in particular at least 4 workpieces, of a workpiece batch on one or more gear-cutting machines (100) having a gear-cutting tool (S), which has a set of teeth having rake faces (5) and having an axis of rotation (B1), in rolling machining engagement, in which method, in the event that a deviation of a set of teeth from the tooth profile sought for said set of teeth is detected or expected, a countermeasure that counteracts said deviation is determined and the production/machining of additional workpieces of said workpiece batch is continued using the countermeasure, the countermeasure being, at least in part, a change in the position of the rake faces relative to the axis of rotation of the tool, which change is brought about by means of grinding performed on the gear-cutting machine or at a grinding machine (140) that belongs to the machine group of the gear-cutting machine.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 1/04 - Making gear teeth by tools of which the profile matches the profile of the required surface by planing or slotting

14.

METHOD FOR GEAR SHAPING A TOOTHING, CONTROL PROGRAM, AND GEAR SHAPING MACHINE FOR CARRYING OUT THE METHOD

      
Application Number EP2022056704
Publication Number 2022/207309
Status In Force
Filing Date 2022-03-15
Publication Date 2022-10-06
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kleinbach, Kurt

Abstract

nn), angle of action (α), and optionally helix angle (β) on a workpiece (50), wherein a shaper cutter (40) moving in stroke cycles with a specified stroke length (h) removes material from the workpiece in multiple working strokes in a rolling machining engagement, thereby forming contact tracks, wherein the contact track on the partial circle in the stroke center runs at an angle (γ) to the flank line (57) at least for a first plurality of strokes, the cotangent of said angle being smaller than or equal to the product of a constant of 40, preferably 33, in particular 25, and a geometry/process factor.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 23/00 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines

15.

METHOD FOR GEAR SHAPING A PERIODIC STRUCTURE, IN PARTICULAR A TOOTHING, AND SHAPING MACHINE DESIGNED THEREFOR

      
Application Number 17595566
Status Pending
Filing Date 2020-06-04
First Publication Date 2022-07-14
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kleinbach, Kurt

Abstract

The invention relates to a method for gear shaping a periodic structure, in particular a toothing on a workpiece, in which method the workpiece, continuously rotating about its axis of rotation, is brought into material-removing machining engagement with a toothed shaping tool which rotates about its axis of rotation in rolling contact with the workpiece rotation. After a working stroke, the shaping tool is lifted off from the workpiece in a lifting direction and, after a subsequent return stroke, the shaping tool in the lifted state is returned to the workpiece again for the next working stroke. In the return stroke, a deflection movement of the shaping tool away from the incoming flank of the workpiece and transversely to the lifting direction is superimposed on the rolling contact.

IPC Classes  ?

  • B23F 1/04 - Making gear teeth by tools of which the profile matches the profile of the required surface by planing or slotting
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

16.

METHOD FOR PRODUCING OR MACHINING TOOTHING

      
Application Number 17594146
Status Pending
Filing Date 2020-03-27
First Publication Date 2022-06-02
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for producing or machining a toothing (2) on a workpiece (3), in which method the workpiece, which is rotationally driven about its axis of rotation (C), is brought into rolling machining engagement with tool toothing (5) rotating about an axis of rotation (C2) which is, in particular, at a non-null crossed-axes angle to the axis of rotation of the workpiece, wherein the machining operation is automatically monitored, using sensors to record same automatically, already at the machine operation stage for a recurring irregularity originating from tool wear (52), in particular higher wear of at least one tool tooth (51) compared to other tool teeth.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23Q 17/09 - Arrangements for indicating or measuring on machine tools for indicating or measuring cutting pressure or cutting-tool condition, e.g. cutting ability, load on tool
  • B23Q 17/12 - Arrangements for indicating or measuring on machine tools for indicating or measuring vibration

17.

MODULE SYSTEM OF A LOADING DEVICE, LOADING DEVICE, WORKPIECE AUTOMATION, MACHINE TOOL AND METHOD FOR THE MACHINING OF TEETH

      
Application Number EP2021079428
Publication Number 2022/090095
Status In Force
Filing Date 2021-10-22
Publication Date 2022-05-05
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Gross, Andreas

Abstract

The invention relates to a module system of a loading device, more particularly in the form of a ring loader, which loading device, in order for teeth to be machined, moves workpieces (200) onto a clamping means (300) of a workpiece spindle (400) rotatable about a workpiece spindle axis (C), the module system comprising a pair of gripper jaws (20, 20; 120, 120) for holding the workpiece, which gripper jaws can be attached to respective gripper arms (10; 100) of a pair of gripper arms by means of a second fastening coupling (11, 21; 111, 121), the gripper arms being attachable to a movable apparatus (70, 80; 170) of the loading device by means of a first fastening coupling (12, 72; 12; 172) defining a first axial position reference, the attachability by means of the first and second fastening couplings being a releasable attachability, and the pair of gripper arms being part of a set of gripper arm pairs (10j, 10j; 110j, 110j) of the module system, which are identical at the gripper-arm part (12) of the first fastening coupling but which have different axial differences between the first axial position reference and a second axial position reference defined by the fastening of the gripper-arm part (11; 111) of the second fastening coupling, which fastening is, in particular, axially closest to the workpiece spindle. The invention also relates to a loading device, a workpiece automation, a machine tool for the machining of teeth and a method for the machining of teeth of workpieces.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B23Q 7/04 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
  • B25J 15/04 - Gripping heads with provision for the remote detachment or exchange of the head or parts thereof

18.

METHOD FOR MACHINING AND PRODUCING A TOOTHED PORTION ON A WORKPIECE

      
Application Number EP2021070590
Publication Number 2022/018223
Status In Force
Filing Date 2021-07-22
Publication Date 2022-01-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for machining or producing a toothed portion (2) on a workpiece by means of a tool toothed portion (4), wherein the tool toothed portion is brought into a first machining engagement with the rotating workpiece toothed portion clamped in a clamped setup, such that there is rolling coupling which assigns the teeth of the tool toothed portion to the tooth spaces of the workpiece toothed portion, and wherein the tool toothed portion is brought into a second machining engagement phase-shifted by at least one fourth of the pitch in comparison with the rolling coupling of the first machining engagement at the machining distance of deepest advancement, said second machining engagement having increased machining distance from the workpiece toothed portion clamped in the same clamped setup of the first machining engagement in comparison with the deepest advancement of the first machining engagement. The invention also relates to a control program having control instructions, which, when executed on a controller of a gear cutting machine, cause said gear cutting machine to carry out the method. The invention also relates to a gear cutting machine therefor.

IPC Classes  ?

  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups

19.

METHOD FOR MACHINING TOOTHING SYSTEMS

      
Application Number EP2021070216
Publication Number 2022/018060
Status In Force
Filing Date 2021-07-20
Publication Date 2022-01-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a method for machining toothing systems, in which, for a series of workpieces with an identical target geometry, a toothing system is produced or machined on each workpiece in a first machining operation and additional tooth shaping of the toothing system resulting from the first machining operation is carried out with a machining tool in a second machining operation, in particular chamfering of a tooth end edge of this toothing system, in a relative position with respect thereto, wherein a controller of the second machining operation automatically detects, at least in part, a change in a workpiece property independent in particular from the first machining operation and/or a setting of the first machining operation in particular with regard to a respectively defined reference, and brings about the relative position in a manner dependent on the detected change.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • G05B 19/401 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling

20.

METHOD FOR MACHINING A TOOTH FLANK REGION OF A WORKPIECE TOOTH ARRANGEMENT, CHAMFERING TOOL, CONTROL PROGRAM HAVING CONTROL INSTRUCTIONS FOR CARRYING OUT THE METHOD, AND GEAR-CUTTING MACHINE

      
Application Number EP2021055651
Publication Number 2021/176084
Status In Force
Filing Date 2021-03-05
Publication Date 2021-09-10
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for machining a tooth edge formed between a tooth flank and an end face (2b) of the workpiece tooth arrangement (3), by means of a tool tooth arrangement (13), in which method the tooth arrangements (3, 13) rotate about their respective tooth arrangement rotational axes (C, B) in mutual rolling coupling, wherein the two tooth arrangement rotational axes (C, B) are substantially parallel to each other and the machining is carried out over a plurality of workpiece rotations, and wherein a first relative movement (Z) between the workpiece tooth arrangement (3) and the tool tooth arrangement (13), parallel to the workpiece rotational axis, is carried out and the position of the envelope (28) of the tool tooth rolling positions (29i) is shifted relative to the engagement position of said envelope with the tooth flank of the workpiece tooth arrangement in the plane (X-Y) orthogonal to the workpiece rotational axis (C), transversely to the profile of the workpiece tooth arrangement, by means of a second relative movement (V), which in particular is varied according to the movement state of the first relative movement. The invention also relates to a chamfering tool, to a control program having control instructions for carrying out the method, and to a gear-cutting machine.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/12 - Milling tools
  • B23F 1/00 - Making gear teeth by tools of which the profile matches the profile of the required surface
  • B23F 5/00 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made

21.

METHOD FOR MACHINING TOOTHINGS, AS WELL AS TOOTHING MACHINE AND CONTROL PROGRAM FOR SAME

      
Application Number 16770435
Status Pending
Filing Date 2018-11-20
First Publication Date 2021-06-17
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Weppelmann, Edgar
  • Kreschel, Jürgen

Abstract

The invention relates to a method for machining toothings, which method uses a disk-shaped, toothed tool that is rotationally driven about its axis of rotation and has a geometrically defined cutting edge. The tool teeth are produced from a base material, are provided, at least on the tooth flanks, with a coating that improves wear resistance, and have machining surfaces facing an end face of the tool, said machining surfaces being re-ground from time to time when the tool is reconditioned, wherein after at least one regrinding, use of the tool is resumed and continued with regions of the machining surfaces formed along the cutting edges from the base material.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth

22.

Method for machining a toothing and toothing machine designed for same, as well as computer program product for same

      
Application Number 16613453
Grant Number 11738399
Status In Force
Filing Date 2018-06-20
First Publication Date 2021-06-03
Grant Date 2023-08-29
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for machining a toothing (2) having an axis of rotation (C), in which a machining tool (4), which is rotationally driven about its axis of rotation (B), removes material from the toothing while executing a relative motion between the machining tool and toothing to generate a flank geometry of the toothing, which has been predefined over the full width of the toothing, in a machining operation, wherein the predefined flank geometry matches a motion control that defines a motion path of the tool center with respect to the toothing axis of rotation, said motion control having a defined, non-vanishing axial advancement with a defined advancing motion between machining tool and toothing, wherein in a first machining process, the relative motion is only executed for generating a part, more particularly a significant part (5), of the flank geometry according to this motion control, while a further part, more particularly the remaining part (6), of the flank geometry is generated in a second machining process, in which the distance between the tool center and the toothing axis of rotation with respect to the fixed motion path changes in a manner wherein the tool center moves away from the toothing, and in which the change to the machining operation caused thereby is counteracted by an additionally executed change in motion of the relative motion with respect to the motion control of the first machining process.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23Q 15/00 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work

23.

Moving system and gear-cutting machine

      
Application Number 16612034
Grant Number 11331736
Status In Force
Filing Date 2018-06-08
First Publication Date 2021-05-27
Grant Date 2022-05-17
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Philippin, Matthias
  • Rusch, Uwe
  • Staiger, Daniel
  • Müller, Peter
  • Gressler, Sabrina
  • Gross, Andreas
  • Kohler, Dietmar

Abstract

The invention relates to a moving system (100) for moving workpieces that are provided for gear cutting on a workpiece spindle (200) and have a workpiece axis of rotation, from a first position (A), taken up while they are being fed, into a third position (C) that differs from the first position by at least a smaller distance between the workpiece axis of rotation and the workpiece spindle axis, having a first movement unit (36, 32, 34) which moves a workpiece from the first position into a second position (B), different from the first and the third position, along a first movement path (AB), and a second movement unit (35) which moves the workpiece from the second position into the third position along a second movement path (BC), wherein the moving system is also designed to move machined workpieces back out of the third position and to hold and move more than one workpiece at the same time, wherein, while it is being moved on the first and on the second movement path, the workpiece is held by one and the same holding unit (10, 10′) that directly holds the workpiece, without a movement caused by the second movement unit entailing a movement of the first movement unit.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B23Q 7/04 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
  • B23F 23/02 - Loading or chucking arrangements for workpieces
  • B23Q 7/00 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting

24.

Method and device for the chip-removing production or machining of a workpiece with subsequent chip discharge

      
Application Number 16639635
Grant Number 11504721
Status In Force
Filing Date 2018-08-22
First Publication Date 2021-05-06
Grant Date 2022-11-22
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Weppelmann, Edgar

Abstract

The invention relates to a method for the chip-removing production or machining of a workpiece by means of a tool, in which method a liquid, which mixes and accumulates with the chips produced during the machining process, is used for lubricating and/or cooling the machining process, and the chips are discharged from the accumulation counter to the downhill force along a discharge path by means of a magnetic force, wherein a return flow of the liquid carried by the discharged chips occurs due to the downhill force, and the return flow is deflected out of the discharge path and/or the discharge path has at least one point at which the supporting surface is temporarily withdrawn from the discharged chips.

IPC Classes  ?

  • B03C 1/18 - Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
  • B03C 1/033 - Component partsAuxiliary operations characterised by the magnetic circuit
  • B03C 1/28 - Magnetic plugs and dipsticks
  • B23Q 11/10 - Arrangements for cooling or lubricating tools or work
  • B03C 1/06 - Magnetic separation acting directly on the substance being separated with the material carriers in the form of trays or with tables with magnets moving during operation
  • B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools

25.

METHOD FOR PRODUCING OR MACHINING, BY CUTTING, AN IDENTICAL SET OF TEETH ON EACH OF A PLURALITY OF WORKPIECES, AND MACHINE GROUP AND CONTROL PROGRAM THEREFOR

      
Application Number EP2020076635
Publication Number 2021/063782
Status In Force
Filing Date 2020-09-23
Publication Date 2021-04-08
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for producing or machining, by cutting, an identical set of teeth on each of a plurality of workpieces, in particular at least four workpieces, of a workpiece batch on one or more gear-cutting machines (100) having a gear-cutting tool (S), which has a set of teeth having rake faces (5) and having an axis of rotation (B1), in rolling machining engagement, in which method, in the event that a deviation of a set of teeth from the tooth profile sought for said set of teeth is detected or expected, a countermeasure that counteracts said deviation is determined and the production/machining of additional workpieces of said workpiece batch is continued using the countermeasure, the countermeasure being, at least in part, a change in the position of the rake faces relative to the axis of rotation of the tool, which change is brought about by means of grinding performed on the gear-cutting machine or at a grinding machine (140) that belongs to the machine group of the gear-cutting machine.

IPC Classes  ?

  • B23F 1/04 - Making gear teeth by tools of which the profile matches the profile of the required surface by planing or slotting
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • G05B 19/404 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 21/04 - Planing or slotting tools
  • B23F 21/28 - Shaving cutters

26.

METHOD FOR GEAR SHAPING A PERIODIC STRUCTURE, IN PARTICULAR A TOOTHING, AND SHAPING MACHINE DESIGNED THEREFOR

      
Application Number EP2020065428
Publication Number 2020/254114
Status In Force
Filing Date 2020-06-04
Publication Date 2020-12-24
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kleinbach, Kurt

Abstract

The invention relates to a method for gear shaping a periodic structure, in particular a toothing on a workpiece, in which method the workpiece, continuously rotating about its axis of rotation, is brought into material-removing machining engagement with a toothed shaping tool which rotates about its axis of rotation in rolling contact with the workpiece rotation. After a working stroke, the shaping tool is lifted off from the workpiece in a lifting direction and, after a subsequent return stroke, the shaping tool in the lifted state is returned to the workpiece again for the next working stroke. In the return stroke, a deflection movement of the shaping tool away from the incoming flank of the workpiece and transversely to the lifting direction is superimposed on the rolling contact.

IPC Classes  ?

  • B23F 1/04 - Making gear teeth by tools of which the profile matches the profile of the required surface by planing or slotting
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

27.

CHAMFERING TOOL, CHAMFERING SYSTEM, GEAR-CUTTING MACHINE AND METHOD FOR CHAMFERING TOOTHINGS

      
Application Number 16971834
Status Pending
Filing Date 2018-09-06
First Publication Date 2020-12-17
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a chamfering tool (4) for chamfering workpiece toothings (22), comprising a helical toothing having, for each flight, a plurality of teeth (5) with a geometrically defined cutting edge and having a tooth profile (8, 9; 8′, 9′) which is designed for single-flank machining in rolling machining engagement with the workpiece toothing and asymmetrical as viewed in the axial section of the tool. The invention further relates to a chamfering system (100), to a gear-cutting machine, and to a method for producing a chamfer on the tooth edges of a tooth flank side of a workpiece toothing.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 21/16 - Hobs

28.

Method for cutting a gear and gear-cutting machine

      
Application Number 16763940
Grant Number 11654497
Status In Force
Filing Date 2018-10-19
First Publication Date 2020-11-19
Grant Date 2023-05-23
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

A method for machining a toothing of a workpiece held in a clamping, in which a toothing tool that rotates about its rotational axis and comprises cutting edges is brought into rolling chip-removing machining engagement with the toothing that rotates about its rotational axis, in order to produce a predetermined tooth flank end geometry in one or more machining passes, wherein during the machining pass which produces the tooth flank end geometry, monitoring responsive to the event of a removed chip being pressed into a machined tooth flank of the toothing by means of the rolling machining process is carried out and, if the monitoring responds, an additional toothing machining process that removes the material protrusion on top of the tooth flank end geometry formed by the chip that was pressed in is implemented automatically, which process is carried out in the same clamping of the workpiece and by means of the toothing tool.

IPC Classes  ?

  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • G05B 19/401 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes

29.

METHOD FOR PRODUCING OR MACHINING TOOTHING

      
Application Number EP2020058776
Publication Number 2020/212123
Status In Force
Filing Date 2020-03-27
Publication Date 2020-10-22
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for producing or machining toothing (2) on a workpiece (3), in which method the workpiece, which is rotationally driven about its axis of rotation (C), is brought into rolling machining engagement with tool toothing (5) rotating about an axis of rotation (C2) which is, in particular, at a non-null crossed-axes angle to the axis of rotation of the workpiece, wherein the machining operation is automatically monitored, using sensors to record same, already at the machining operation stage, for a recurring irregularity originating from tool wear (52), in particular higher wear of at least one tool tooth (51) compared to other tool teeth. The invention also relates to a gear cutting machine and a monitoring programme for same.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23Q 17/09 - Arrangements for indicating or measuring on machine tools for indicating or measuring cutting pressure or cutting-tool condition, e.g. cutting ability, load on tool
  • G05B 19/4065 - Monitoring tool breakage, life or condition
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23Q 17/12 - Arrangements for indicating or measuring on machine tools for indicating or measuring vibration

30.

Method for generating a toothed workpiece and control program, tools and tooth-cutting machine suitable therefor

      
Application Number 16616111
Grant Number 11358233
Status In Force
Filing Date 2018-07-09
First Publication Date 2020-06-04
Grant Date 2022-06-14
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Weppelmann, Edgar

Abstract

The invention relates to a method for generating a workpiece (3) having a second tooth system (2) incorporated into a first tooth system (1) having a specified tooth system geometry, wherein a first generative processing engagement, intersecting the second tooth system in the kinematics of the generating skiving, is made on the workpiece, which is in particular oversized in relation to the specified tooth system geometry, in particular on a transition from the first to the second tooth system, and then a second processing engagement, matching the specified tooth system geometry, in the kinematics of the generating skiving is carried out on the transition and a remaining oversize is in particular removed while doing so. The invention further relates to tools and to tooth-cutting machines suitable therefor.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

31.

METHOD AND SYSTEM FOR MACHINING TOOTHINGS PROVIDED ON WORKPIECES

      
Application Number EP2019060688
Publication Number 2019/207077
Status In Force
Filing Date 2019-04-25
Publication Date 2019-10-31
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Hofer, Philip
  • Brogni, Johannes
  • Weigold, Harald
  • Leicht, Bernhard

Abstract

The invention relates to a method for machining toothings provided on workpieces, in which a number of workpieces are fed to at least one machining station with at least two machining operations and/or to at least two machining stations each with at least one machining operation and the machining of the toothing there, involving a machining engagement of a toothing tool with the workpiece toothing, as at least one of these machining operations and the at least one further machining operation are performed in machine real time, wherein a sequence control of the machining operations takes place at least partly in dependence on control information that is assigned to each individual workpiece to be worked and is stored and verified in machine real time.

IPC Classes  ?

  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • G05B 19/404 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
  • G05B 19/4093 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
  • B23F 23/00 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines

32.

Method for hard finishing toothed gearing, particularly internally toothed portions and machine tool suitable therefor

      
Application Number 16474749
Grant Number 11097364
Status In Force
Filing Date 2017-11-17
First Publication Date 2019-10-24
Grant Date 2021-08-24
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Schäferling, Karl
  • Brogni, Johannes

Abstract

a) of the machine tool gearing with tooth thickness increasing in the tooth trace direction from the end face (5) facing the machined toothed gearing.

IPC Classes  ?

  • B23F 5/02 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B24B 19/00 - Single purpose machines or devices for particular grinding operations not covered by any other main group

33.

CONTACT ROLLING TESTER, MACHINING SYSTEM AND METHOD FOR THE DUAL-FLANK ROLL TESTING OF A TOOTHING

      
Application Number EP2019053994
Publication Number 2019/170403
Status In Force
Filing Date 2019-02-18
Publication Date 2019-09-12
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kadlubski, Stephan

Abstract

The invention relates to a contact rolling tester (100) for a dual-flank roll test of a toothing (2) which is supported by a free-running shaft (1) and has an axis of rotation, with a holder (13, 14) for holding the shaft during the roll test, and with a rotationally driven mating toothing (20) which rolls on the toothing during the roll test, wherein on two cylindrical shaft portions (3, 4) spaced axially apart from each other, the holder supports the shaft against gravity laterally from the outside, seen in the radial direction, the cylinder axis of said shaft portions (3, 4) corresponding to the toothing axis. The invention further relates to a machining system having a toothing machining tool and a contact rolling tester of this kind, and to a method with a dual-flank roll test of a toothing supported by a free-running shaft and having an axis of rotation.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • G01M 13/021 - Gearings
  • G01B 5/20 - Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures

34.

CHAMFERING TOOL, CHAMFERING SYSTEM, GEAR-CUTTING MACHINE AND METHOD FOR CHAMFERING TOOTHINGS

      
Application Number EP2018074054
Publication Number 2019/161942
Status In Force
Filing Date 2018-09-06
Publication Date 2019-08-29
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a chamfering tool (4) for chamfering workpiece toothings (22), comprising a helical toothing, which has, for each spiral, a plurality of teeth (5) having a geometrically defined cutting edge and which has a tooth profile (8, 9; 8', 9') that is designed for single-flank machining in rolling machining engagement with the workpiece toothing and that is asymmetrical when seen in axial section of the tool. The invention further relates to a chamfering system (100), to a gear-cutting machine, and to a method for producing a chamfer on the tooth edges of a tooth flank side of a workpiece toothing.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth

35.

METHODS OF PREPARING AND PERFORMING A MACHINING PROCESS, CONTROL SOFTWARE THEREFOR, CHAMFERING STATION AND GEAR MACHINE WITH CHAMFERING STATION

      
Application Number IB2019000109
Publication Number 2019/158994
Status In Force
Filing Date 2019-02-07
Publication Date 2019-08-22
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Leicht, Bernhard
  • Mundt, Eric, G.

Abstract

A method of preparing a machining process of a toothed workpiece (1) rotatably drivable around its rotation axis (C10), the machining process to be executed by a tool (11) rotatably drivable around its rotation axis (B10), wherein, for establishing a synchronized matching engagement of the tool with the workpiece toothing (2), a contact with the workpiece can be or is generated by performing a movement via a positioning axis (Z10, Y10), and, by means of a surveillance of a movement dedicated to an axis of motion (B10, C10), a contact to the workpiece is used for establishing information about a relative rotary position of the workpiece, whereby the contact is made by a portion of the tool and the dedicated axis of motion is an axis capable to move or rotate the workpiece or the tool but which is not the positioning axis.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form

36.

Method of preparing a machining process and chamfering station

      
Application Number 15897249
Grant Number 10710185
Status In Force
Filing Date 2018-02-15
First Publication Date 2019-08-15
Grant Date 2020-07-14
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Leicht, Bernhard
  • Mundt, Eric G.

Abstract

A method of preparing a machining process of a toothed workpiece rotatably drivable around its rotation axis, the machining process to be executed by a tool rotatably drivable around its rotation axis, wherein, for establishing a synchronized matching engagement of the tool with the workpiece toothing, a contact with the workpiece can be or is generated by performing a movement via a positioning axis, and, by means of a surveillance of a movement dedicated to an axis of motion, a contact to the workpiece is used for establishing information about a relative rotary position of the workpiece, whereby the contact is made by a portion of the tool and the dedicated axis of motion is an axis capable to move or rotate the workpiece or the tool but which is not the positioning axis.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • G01B 5/16 - Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
  • G01B 5/20 - Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form

37.

METHOD FOR MACHINING TOOTHINGS, AS WELL AS TOOTHING MACHINE AND CONTROL PROGRAM FOR SAME

      
Application Number EP2018081969
Publication Number 2019/120831
Status In Force
Filing Date 2018-11-20
Publication Date 2019-06-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Weppelmann, Edgar

Abstract

The invention relates to a method for machining toothings, which method uses a disc-shaped, toothed tool that is rotationally driven about its axis of rotation and has a geometrically defined cutting edge. The tool teeth are produced from a base material, are provided, at least on the tooth flanks, with a coating that improves wear resistance, and have machining surfaces facing an end face of the tool, said machining surfaces being re-ground from time to time when the tool is reconditioned, wherein after at least one re-grinding, use of the tool is resumed and continued with regions of the machining surfaces formed along the cutting edges from the base material.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

38.

METHOD FOR CUTTING A GEAR AND GEAR-CUTTING MACHINE

      
Application Number EP2018078793
Publication Number 2019/096542
Status In Force
Filing Date 2018-10-19
Publication Date 2019-05-23
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

The invention relates to a method for cutting a gear (2) in a workpiece held in a setup, in which a gear-cutting tool (1) that rotates about its axis of rotation and has cutting edges (5) is brought into in particular rolling subtractive cutting engagement with the gear rotating about its axis of rotation, in order to create a predefined tooth-flank end geometry in one or more cutting passes, wherein, during the cutting pass creating the tooth-flank end geometry, monitoring that responds to the event of a removed chip (4) being pressed into a cut tooth flank of the gear on account of the in particular rolling cutting is effected, and when the monitoring responds, an additional gear-cutting operation that removes a material projection, formed by the pressed-in chip (4') upon the event occurring, is carried out, in particular automatically, over the tooth-flank end geometry, this taking place in particular in the same setup of the workpiece and in particular using the gear-cutting tool itself. The invention also relates to a computer program product having a control program for carrying out the method, and to a gear-cutting machine therefor.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 19/06 - Shaving the faces of gear teeth

39.

METHOD AND DEVICE FOR THE CHIP-REMOVING PRODUCTION OR MACHINING OF A WORKPIECE WITH SUBSEQUENT CHIP DISCHARGE

      
Application Number EP2018072692
Publication Number 2019/048240
Status In Force
Filing Date 2018-08-22
Publication Date 2019-03-14
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Weppelmann, Edgar

Abstract

The invention relates to a method for the chip-removing production or machining of a workpiece by means of a tool, in which method a liquid, which mixes and accumulates with the chips produced during the machining process, is used for lubricating and/or cooling the machining process, and the chips are discharged from the accumulation counter to the downhill force along a discharge path by means of a magnetic force, wherein a return flow of the liquid carried by the discharged chips occurs due to the downhill force, and the return flow is deflected out of the discharge path and/or the discharge path has at least one position in which the supporting support is temporarily withdrawn from the discharged chips.

IPC Classes  ?

  • B03C 1/033 - Component partsAuxiliary operations characterised by the magnetic circuit
  • B03C 1/18 - Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
  • B03C 1/06 - Magnetic separation acting directly on the substance being separated with the material carriers in the form of trays or with tables with magnets moving during operation
  • B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
  • B03C 1/28 - Magnetic plugs and dipsticks

40.

Method for producing a removal of material on a tooth end edge and device designed therefor

      
Application Number 16083653
Grant Number 11179788
Status In Force
Filing Date 2017-04-03
First Publication Date 2019-03-14
Grant Date 2021-11-23
Owner GLEASON-PFAUTEF MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a method for producing a removal of material on a tooth end edge of a workpiece toothing with a rotationally driven chamfering tool in a machining operation brought about by controlled axial machine movements between the chamfering tool and the likewise rotationally driven workpiece toothing, wherein material is removed with a geometrically undefined cutting edge and the removal takes place in a coordinated action between a profiling, in particular, an alterable profiling, of the chamfering tool and a machine control used for the machining operation, performed in dependence on predetermined parameters that are characteristic of the removal of material to be produced.

IPC Classes  ?

  • B23F 19/12 - Chamfering the end edges of gear teeth by grinding
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 21/02 - Grinding discsGrinding worms
  • B23F 19/10 - Chamfering the end edges of gear teeth

41.

METHOD FOR MACHINING A TOOTHING AND TOOTHING MACHINE DESIGNED FOR SAME, AS WELL AS COMPUTER PROGRAM PRODUCT FOR SAME

      
Application Number EP2018066346
Publication Number 2019/011602
Status In Force
Filing Date 2018-06-20
Publication Date 2019-01-17
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Kreschel, Jürgen

Abstract

therebythereby is counteracted by an additionally executed change in motion of the relative motion with respect to the motion control of the first machining process.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

42.

METHOD FOR GENERATING A TOOTHED WORKPIECE AND CONTROL PROGRAM, TOOLS AND TOOTH-CUTTING MACHINE SUITABLE THEREFOR

      
Application Number EP2018068566
Publication Number 2019/011871
Status In Force
Filing Date 2018-07-09
Publication Date 2019-01-17
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Weppelmann, Edgar

Abstract

The invention relates to a method for generating a workpiece (3) having a second tooth system (2) incorporated into a first tooth system (1) having a specified tooth system geometry, wherein a first generative processing engagement, intersecting the second tooth system in the kinematics of the generating skiving, is made on the workpiece, which is in particular oversized in relation to the specified tooth system geometry, in particular on a transition from the first to the second tooth system, and then a second processing engagement, matching the specified tooth system geometry, in the kinematics of the generating skiving is carried out on the transition and a remaining oversize is in particular removed while doing so. The invention further relates to tools (40, 50) and to tooth-cutting machines (100) suitable therefor.

IPC Classes  ?

  • B23F 15/00 - Methods or machines for making gear wheels of special kinds, not covered by groups
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups

43.

MOVING SYSTEM AND GEAR-CUTTING MACHINE

      
Application Number EP2018065121
Publication Number 2018/234062
Status In Force
Filing Date 2018-06-08
Publication Date 2018-12-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Philippin, Matthias
  • Rusch, Uwe
  • Staiger, Daniel
  • Müller, Peter
  • Gressler, Sabrina
  • Gross, Andreas
  • Kohler, Dietmar

Abstract

The invention relates to a moving system (100) for transposing workpieces that are provided for gear cutting on a workpiece spindle (200) and have a workpiece axis of rotation, from a first position (A), taken up while they are being fed, into a second position (C) that differs from the first position by at least a smaller distance between the workpiece axis of rotation and the workpiece spindle axis, having a first moving unit (36, 32, 34) which transposes a workpiece from the first position into a third position (B), different from the first and the second position, along a first movement path (AB), and a second moving unit (35) which transposes the workpiece from the third position into the second position along a second movement path (BC), wherein the moving system is also designed to transpose machined workpieces back out of the second position and to hold and move more than one workpiece at the same time, wherein, while it is being moved on the first and on the second movement path, the workpiece is held by one and the same holding unit (10, 10') that directly holds the workpiece, without a movement caused by the second movement unit entailing a movement of the first moving unit.

IPC Classes  ?

  • B23F 23/02 - Loading or chucking arrangements for workpieces

44.

Method for creating or machining toothings on workpieces by gear shaping with regulation of spindle rotation setpoints

      
Application Number 15770652
Grant Number 10747191
Status In Force
Filing Date 2016-11-03
First Publication Date 2018-11-01
Grant Date 2020-08-18
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kienzle, Florian
  • Mayer, Sven

Abstract

The invention relates to a method for creating or machining toothings on workpieces in rolling machining engagement, in particular by gear shaping, in which an NC control of the rotary spindle drives of workpiece and tool comprises regulation of the rotation angle position of each particular spindle to setpoints depending on the process parameters associated with the process design underlying the method, wherein data containing information relating to a deflection, caused by the process forces that arise during machining and resulting in profile shape deviations on the workpiece, of the position of the tool flanks of tool and workpiece out of their position intended as per the process design, are used to determine a correction, taking the deflection into account, of the rotation angle position of workpiece spindle and/or tool spindle and thus to modify the setpoints of the regulation.

IPC Classes  ?

  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form

45.

METHOD FOR HARD FINISHING TOOTHED GEARING, PARTICULARLY INTERNALLY TOOTHED PORTIONS AND MACHINE TOOL SUITABLE THEREFOR

      
Application Number EP2017001358
Publication Number 2018/130260
Status In Force
Filing Date 2017-11-17
Publication Date 2018-07-19
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Schäferling, Karl
  • Brogni, Johannes

Abstract

The invention relates to a method and a machine tool for hard finishing toothed gearing, particularly internally toothed portions (3), in which method a toothed hard finishing tool (W) which rotates about its axis of rotation is brought into rolling machining engagement with the machined toothed gearing in one pass or in a plurality of passes of differing radial infeed depth under an advance motion with a direction component parallel to the axis of rotation (C) of the machined toothed gearing and under a non-null axis crossing angle, and material is removed from the machined toothed gearing with a tooth flank region (4a) of the machine tool gearing with tooth thickness increasing in the tooth trace direction from the end face (5) facing the machined toothed gearing.

IPC Classes  ?

  • B23F 5/02 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth

46.

WHEEL-SHAPED GEAR CUTTING TOOL, METHOD FOR MACHINING SETS OF TEETH, METHOD FOR RESHARPENING A GEAR CUTTING TOOL, AND GEAR CUTTING MACHINE

      
Application Number EP2017000815
Publication Number 2018/010838
Status In Force
Filing Date 2017-07-10
Publication Date 2018-01-18
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Weppelmann, Edgar
  • Norselli, Anthony J.
  • Martin, Wayne

Abstract

The invention relates to a wheel-shaped gear cutting tool, in particular a peeling wheel, for machining sets of teeth, in particular in the kinematics of the hob-peeling method, comprising cutting teeth, cutting edges being provided on the side of said cutting teeth which, during machining engagement, faces the set of teeth to be machined, wherein a first cutting edge of a cutting tooth is formed by the intersection of a tooth flank of the cutting tooth with a first, in particular flat, surface belonging to the rake face of said first cutting edge, the normal vector of said first surface at the first cutting edge having an orientation different from the orientation of the normal vector of a second, in particular flat, surface, the intersection of which with the other tooth flank of the cutting tooth forms a second cutting edge of the cutting tooth and which belongs to the rake face of the second cutting edge, wherein the normal vector of the second surface at the second cutting edge starts at the same radial distance from the axis of rotation of the gear cutting tool as the normal vector of the first surface.

IPC Classes  ?

  • B23F 21/12 - Milling tools
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
  • B23F 19/05 - Honing gear teeth

47.

Method for machining a set of teeth, tool arrangement, and tooth-cutting machine

      
Application Number 15526766
Grant Number 10239139
Status In Force
Filing Date 2015-11-23
First Publication Date 2017-11-16
Grant Date 2019-03-26
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Philippin, Matthias
  • Schmezer, Ralf
  • Grill, Joachim

Abstract

The invention relates to a method for machining a toothing, wherein to form a chamfer on a tooth edge formed between an end face of the toothing and a tooth flank belonging to a tooth space of the toothing, material is removed from the tooth edge by cutting, by means of a machining tool equipped with a cutting edge, in a machining operation, wherein the machining tool is toothed and the machining operation is a skiving machining operation at an axis intersection angle between the rotational axes of the machining tool and the toothing, which does not extend beyond the tooth root section of the tooth space.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 21/10 - Gear-shaper cutters having a shape similar to a spur wheel or part thereof

48.

METHOD FOR PRODUCING A REMOVAL OF MATERIAL ON A TOOTH END EDGE AND DEVICE DESIGNED THEREFOR

      
Application Number EP2017000418
Publication Number 2017/174187
Status In Force
Filing Date 2017-04-03
Publication Date 2017-10-12
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schmezer, Ralf

Abstract

The invention relates to a method for producing a removal of material on a tooth end edge of a workpiece toothing (W) with a rotationally driven chamfering tool (6a, 6b) in a machining operation brought about by controlled axial machine movements between the chamfering tool and the likewise rotationally driven workpiece toothing, wherein material is removed with a geometrically undefined cutting edge and the removal takes place in a coordinated action between a profiling, in particular an alterable profiling, of the chamfering tool and a machine control used for the machining operation, performed in dependence on predetermined parameters that are characteristic of the removal of material to be produced.

IPC Classes  ?

  • B23F 19/12 - Chamfering the end edges of gear teeth by grinding
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B24B 53/075 - Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms
  • B23F 21/02 - Grinding discsGrinding worms
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth

49.

Machine for machining workpieces, corresponding arrangement and method for machining workpieces

      
Application Number 15328917
Grant Number 10286509
Status In Force
Filing Date 2015-07-16
First Publication Date 2017-07-27
Grant Date 2019-05-14
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Philippin, Matthias
  • Kleinbach, Kurt
  • Mellini, Arrigo
  • Mattioli, Ugo

Abstract

The invention relates to a machine for the gear cutting machining of workpieces, in particular a gear shaping machine, comprising a spindle for holding a machining tool, and a drive by means of which the spindle can be rotationally driven about its spindle axis, and further comprising an arrangement. When said arrangement is actuated, a spindle rotation caused by the drive changes the axial relative position with respect to the spindle axis.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23Q 5/027 - Driving main working members reciprocating members
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23Q 5/20 - Adjusting or stopping working-spindles in a predetermined position

50.

METHOD FOR CREATING OR MACHINING GEARS AND GEAR-CUTTING MACHINE DESIGNED THEREFOR

      
Application Number EP2016002061
Publication Number 2017/097416
Status In Force
Filing Date 2016-12-07
Publication Date 2017-06-15
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kleinbach, Kurt
  • Brogni, Johannes

Abstract

The invention relates to a method for creating or machining gears on workpieces (W1, W2), in which a rolling first machining engagement between a machining tool (WF; WS) that is driven about its rotation axis (B) and a first workpiece that is rotatable about the rotation axis (C1) of a first workpiece-side spindle (11) is realized at a first location on a gear-cutting machine (100; 200) by means of a tool-side spindle drive motor (22), and in which a second machining engagement is realized at a second workpiece, different from the first workpiece, that is rotatable about the rotation axis of a second workpiece-side spindle (12) that is different from the first workpiece-side spindle, wherein the machining tool can execute, relative to the first workpiece-side spindle, a movement, serving as an axial infeed movement in the first machining engagement, along a tool-side machine axis (Z) that has a direction component in the direction of the first workpiece-side spindle axis and in particular extends parallel thereto, wherein, after the first machining engagement, a tool-side positioning movement that takes place along this tool-side machine axis and allows the second machining engagement is carried out, wherein the second machining engagement is a machining engagement that is identical to the first machining engagement in terms of type of machining, is effected using the same tool-side spindle drive motor as in the first machining, and is carried out in the gear-cutting machine at a second point that is different from the first point.

IPC Classes  ?

  • B23F 23/02 - Loading or chucking arrangements for workpieces
  • B23Q 39/02 - Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 19/10 - Chamfering the end edges of gear teeth

51.

METHOD FOR CREATING OR MACHINING TOOTHINGS ON WORKPIECES

      
Application Number EP2016001829
Publication Number 2017/076503
Status In Force
Filing Date 2016-11-03
Publication Date 2017-05-11
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kienzle, Florian
  • Mayer, Sven

Abstract

The invention relates to a method for creating or machining toothings on workpieces in rolling machining engagement, in particular by gear shaping, in which NC control of the rotary spindle drives of workpiece and tool comprises regulation of the rotation angle position of each particular spindle to setpoints determined depending on the process parameters associated with the process design underlying the method, wherein data containing information relating to a deflection, caused by the process forces that arise during machining and resulting in profile shape deviations on the workpiece, of the position of the tool flanks of tool and workpiece out of their position intended as per the process design, are used to determine a correction, taking the deflection into account, of the rotation angle position of the workpiece spindle and/or tool spindle and thus to modify the setpoints of the regulation.

IPC Classes  ?

  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • B23F 1/06 - Making gear teeth by tools of which the profile matches the profile of the required surface by milling
  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling

52.

METHOD FOR MACHINING A TOOTHING, AND ARRANGEMENT, MACHINING TOOL, AND MACHINE TOOL FOR THIS PURPOSE

      
Application Number EP2016001639
Publication Number 2017/063730
Status In Force
Filing Date 2016-10-04
Publication Date 2017-04-20
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schäferling, Karl

Abstract

The invention relates to a method for machining a toothing (2) rotating about its toothing axis (C4), in which a secondary burr, occurring in an area close to the tooth front edge during chamfering of a tooth front edge of the toothing on a tooth flank of the toothing, is at least substantially removed by means of a rolling machining operation using a machining tool (7) rotating about a tool axis (C3), wherein the machining tool has at least one cutting edge which can perform a movement that removes the secondary burr in a cutting manner by providing an axis intersection angle (∑), not equal to zero, between the toothing axis and the tool axis in the machining operation.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/16 - Hobs
  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth

53.

Method for machining a workpiece, tool arrangement and tooth cutting machine

      
Application Number 15310584
Grant Number 10583507
Status In Force
Filing Date 2015-05-21
First Publication Date 2017-03-16
Grant Date 2020-03-10
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Weppelmann, Edgar
  • Kreschel, Juergen
  • Fischer, Steffen

Abstract

The invention relates to a method for machining a workpiece, wherein, in particular in the skiving process, a toothing is produced on the workpiece in a first machining operation, in which a toothed cutting wheel, which rotates about the axis of rotation thereof and, on a first end face, comprises cutting edges on the toothing thereof, is coupled in a rolling manner to the workpiece which rotates about the axis of rotation thereof, and a cutting movement of the cutting edges, which has directional components in parallel with the workpiece axis, ends at an axial side of the workpiece toothing, the cutting edges of the cutting wheel forming a first operating region which can be positioned with respect to the workpiece by means of movement axes, and in which, in a second machining operation using a second operating region, the workpiece is machined on the side of the workpiece toothing at which the movement ends, wherein the second operating region can be positioned with respect to the workpiece by means of the same movement axes as the first operating region, and in particular is coupled for movement to the first operating region.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/06 - Planing or slotting tools having a profile which matches a gear tooth profile

54.

Method of loading and unloading a workpiece with internal gearing, and loading and unloading device

      
Application Number 15101565
Grant Number 10286468
Status In Force
Filing Date 2014-11-06
First Publication Date 2017-01-19
Grant Date 2019-05-14
Owner GLEASON-PFAUTER MASCHINEFABRIK GMBH (Germany)
Inventor Philippin, Matthias

Abstract

The invention relates to a method for loading and unloading an internally toothed workpiece or a workpiece that is to be provided with internal toothing into/out of a clamping position, in which the workpiece, which is held by a retaining device, is brought into the clamping position by means of a conveying movement so that said workpiece, when clamped, has internal toothing cut by a gear cutting tool that occupies a cutting chamber and, after cutting, said workpiece, which is held by the retaining device, is returned from the clamping position in a return movement, wherein, prior to cutting, the retaining device is permitted to carry out an evasive movement that is different from the return movement/reverse conveying movement and that frees the cutting chamber, or the cutting chamber is already kept free of the retaining device as soon as the clamping position is reached.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 15/00 - Methods or machines for making gear wheels of special kinds, not covered by groups
  • B23Q 7/04 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth

55.

METHOD FOR FINE-PROCESSING A TOOTHING, FINE-PROCESSING MACHINE FOR CARRYING OUT THE METHOD, AND COMPUTER PROGRAM FOR CONTROLLING THE MACHINE

      
Application Number EP2016001192
Publication Number 2017/008900
Status In Force
Filing Date 2016-07-11
Publication Date 2017-01-19
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Schnell, Josef

Abstract

The invention relates to a method for fine-processing a toothing in a single-indexing method, wherein a disc-type fine-processing tool (S) rotating about its axis is brought into rolling processing engagement with a tooth flank of the toothing, in order to remove material from the tooth flank, wherein, in the processing engagement, a line contact is established and the contact line moves over the tooth flank according to a movement having a directional component (Xc0) that is radial to the toothing axis (C), and wherein, during the same separation, the processing engagement continues with a reduced tangential distance between the tooth flank and the disc plane of the fine-processing tool, and with sign reversal of the radial directional component of the contact line movement.

IPC Classes  ?

  • B23F 5/06 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding the tool being a grinding disc with a plane front surface

56.

METHOD FOR MACHINING A SET OF TEETH, TOOL ARRANGEMENT, AND TOOTH-CUTTING MACHINE

      
Application Number EP2015002357
Publication Number 2016/091356
Status In Force
Filing Date 2015-11-23
Publication Date 2016-06-16
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Philippin, Matthias
  • Schmezer, Ralf
  • Grill, Joachim

Abstract

The invention relates to a method for machining a set of teeth, wherein, in order to form a chamfer on a tooth edge formed between an end face of the set of teeth and a tooth flank associated with a tooth space of the set of teeth, material is removed from the tooth edge in a cutting manner by means of a machining tool provided with a cutting edge, which machining tool is in machining engagement, wherein the machining tool is toothed and the machining engagement is a rolling machining engagement that occurs with an axis intersection angle between the rotational axes of the machining tool and of the set of teeth and that does not extend beyond the tooth base region of the tooth gap.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 19/10 - Chamfering the end edges of gear teeth

57.

Method for machining tooth edges and machining station designed for this purpose

      
Application Number 14907576
Grant Number 09878383
Status In Force
Filing Date 2014-07-15
First Publication Date 2016-06-09
Grant Date 2018-01-30
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kleinbach, Kurt
  • Kreschel, Juergen
  • Philippin, Matthias
  • Weppelmann, Edgar

Abstract

The invention concerns a method for the machining of the tooth edges between an axially facing surface and the tooth flanks of a gear with a machining tool that has a toothed contour. For the material-removing cutting operation, the machining tool, rotating about the axis of its toothed contour, is brought into rolling engagement with the toothed workpiece under a crossing angle different from zero between the rotary axes of the machining tool and the toothed workpiece.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling

58.

Method for producing and/or processing a gear and gear cutting machine

      
Application Number 14891687
Grant Number 09914180
Status In Force
Filing Date 2014-05-20
First Publication Date 2016-04-28
Grant Date 2018-03-13
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Krebser, Gerhard
  • Schneider, Christoph
  • Philippin, Matthias

Abstract

The invention concerns a method to generate and/or machine gear teeth on a workpiece, wherein the workpiece is subjected to a movement from a first location where the workpiece, while being held by a clamping device connected to a workpiece spindle, is brought into machining engagement with a first tool, to a second location where the work piece, while remaining in its clamped condition, is brought into machining engagement with a second tool, wherein prior to performing the movement, the connection between the clamping device and the workpiece spindle is released, and after the movement, the clamping device is connected to another workpiece spindle for the machining engagement with the second tool.

IPC Classes  ?

59.

METHOD FOR MACHINING A TOOTHING, A MACHINING TOOL, AND A MACHINE TOOL

      
Application Number EP2015001593
Publication Number 2016/034260
Status In Force
Filing Date 2015-08-03
Publication Date 2016-03-10
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Hanus, Elmar
  • Schmezer, Ralf

Abstract

The invention relates to a method for machining a toothing that is chamfered on a tooth head front edge, in which a material projection resulting on said tooth head front edge chamfer, caused by chamfer formation on a tooth front edge of the toothing by means of plastic deformation, and/or caused by removing a primary/secondary burr produced on said end face during production of the toothing and, if applicable, formation of the tooth front edge chamfer, is removed in a rotational operation by a machining procedure with a machining tool that has a cutting edge.

IPC Classes  ?

  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23C 5/00 - Milling-cutters
  • B23B 27/08 - Cutting tools with blade- or disc-like main parts

60.

MACHINE FOR MACHINING WORKPIECES, CORRESPONDING ARRANGEMENT AND METHOD FOR MACHINING WORKPIECES

      
Application Number EP2015001468
Publication Number 2016/012085
Status In Force
Filing Date 2015-07-16
Publication Date 2016-01-28
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Philippin, Matthias
  • Kleinbach, Kurt
  • Mellini, Arrigo
  • Mattioli, Ugo

Abstract

The invention relates to a machine for the gear cutting machining of workpieces, in particular a gear planing machine, comprising a spindle for holding a machining tool, and a drive by means of which the spindle can be rotationally driven about its spindle axis, and further comprising an arrangement. When said arrangement is actuated, a spindle rotation caused by the drive changes the axial relative position with respect to the spindle axis.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

61.

Method of cutting or machining internal gear teeth, motion-changing device, and machine tool

      
Application Number 14767749
Grant Number 09700981
Status In Force
Filing Date 2014-01-27
First Publication Date 2015-12-31
Grant Date 2017-07-11
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Petrallia, Domenico
  • Witschi, Oswald

Abstract

The invention concerns a method for the chip-removing generation or machining of internal gear teeth on a workpiece which is rotatable about its rotary axis and radially delimits a free space that extends axially to one side beyond the internally toothed region and whose radial width narrows in the direction of its axial extension in at least one location. An externally toothed tool which is driven in rotary movement about its axis of rotation is brought from the opposite side into rolling engagement with the internally toothed region with the rotary axes crossed at an angle. Through the application of a mechanical force, the chips which are produced in the process and which are subject to a centrifugal force are caused to change their movement in the zone of narrowing width in a manner directed against the origin of the centrifugal force.

IPC Classes  ?

  • B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23Q 11/08 - Protective coverings for parts of machine toolsSplash guards

62.

Method for cutting or machining gear teeth and gear-cutting machine

      
Application Number 14768013
Grant Number 10016826
Status In Force
Filing Date 2014-01-30
First Publication Date 2015-12-31
Grant Date 2018-07-10
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Petrallia, Domenico
  • Witschi, Oswald

Abstract

The invention concerns a method for the chip-removing generation or machining of gear teeth on a workpiece which is driven in rotary movement about its rotary axis at very high rates of rotation, with a toothed tool that is driven in rotary movement about its rotary axis, wherein the tool and the workpiece are brought into a rolling tooth engagement in the manner of a helical gear transmission with their axes of rotation crossing each other at an angle different from zero, and wherein a further operation is performed on the workpiece and/or on its gear teeth during the time of operating engagement between the teeth of the tool and of the workpiece.

IPC Classes  ?

  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 19/10 - Chamfering the end edges of gear teeth

63.

METHOD FOR MACHINING A WORKPIECE, TOOL ARRANGEMENT AND TOOTH CUTTING MACHINE

      
Application Number EP2015001041
Publication Number 2015/185186
Status In Force
Filing Date 2015-05-21
Publication Date 2015-12-10
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Weppelmann, Edgar
  • Kreschel, Jürgen
  • Fischer, Steffen

Abstract

The invention relates to a method for machining a workpiece, in which, in particular using the hob peeling method, a toothing is created on the workpiece in a first machining operation, in which a toothed cutting wheel that rotates about its rotation axis and has cutting edges on its toothing on a first end side is coupled by way of a hob-type coupling to the workpiece rotating about its rotation axis, and a cutting movement of the cutting edges, which has a direction component axially parallel to the workpiece, stops towards an axial side of the workpiece toothing, wherein the cutting edges of the cutting wheel form a first engagement region that is positionable with respect to the workpiece by means of movement axes, and in which, in a second machining operation having a second engagement region, the workpiece is machined on that side of the workpiece toothing at which the movement stops, wherein the second engagement region is positionable with respect to the workpiece by means of the same movement axes as the first engagement region and in particular is coupled in terms of movement to the first engagement region.

IPC Classes  ?

  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 19/10 - Chamfering the end edges of gear teeth

64.

METHOD FOR MOUNTING AND DISMOUNTING A WORKPIECE HAVING AN INTERNAL TOOTHING, AND MOUNTING AND DISMOUNTING DEVICE

      
Application Number EP2014002976
Publication Number 2015/090489
Status In Force
Filing Date 2014-11-06
Publication Date 2015-06-25
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Philippin, Matthias

Abstract

The invention relates to a method for mounting and dismounting a workpiece having, or to be provided with, an internal toothing into and from a clamped position. According to the method, the workpiece, which is held in a holding device, is moved into the clamped position by carrying out a presenting movement, so as to undergo, in the clamped state, an internal toothing treatment by a toothing tool occupying a treatment space, and after the treatment, held by the holding device, is returned from the clamped position in a return movement. Prior to the treatment, the holding device is made to perform an evasive movement which differs from the return movement / the presenting movement in reverse and which frees the treatment space, or the treatment space is already kept free by the holding device when the clamped position is reached.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B23Q 7/04 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers

65.

Coolant delivery system and skiving machine equipped with the system

      
Application Number 14307887
Grant Number 09573234
Status In Force
Filing Date 2014-06-18
First Publication Date 2015-03-19
Grant Date 2017-02-21
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor
  • Liepelt, Ralf
  • Weppelmann, Edgar

Abstract

A coolant delivery system which serves to deliver a cooling agent whose purpose is to carry away the heat that is generated in the process of machining a toothed profile by means of a skiving wheel rotating about its rotary axis. The coolant delivery system provides for a delivery path section which, seen in a projection onto a plane extending orthogonal to the rotary axis, is arranged closer to the axis than the toothed profile of the skiving wheel and has a dimensional component in the axial direction.

IPC Classes  ?

  • B23Q 11/10 - Arrangements for cooling or lubricating tools or work
  • B23C 5/28 - Features relating to lubricating or cooling
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

66.

Profile gauge, measuring device equipped with the profile gauge, and measurement method

      
Application Number 14216113
Grant Number 09575483
Status In Force
Filing Date 2014-03-17
First Publication Date 2015-03-19
Grant Date 2017-02-21
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor
  • Kreschel, Juergen
  • Weppelmann, Edgar

Abstract

A profile gauge that embodies a measurement geometry for a tool that has a toothed profile designed in particular for the skiving of toothed work pieces, wherein the profile gauge serves to determine at least one measurement quantity which can be used for a machining process, specifically a skiving process, that is to be performed with the tool and wherein, in a phase of said process, the toothed profile of the work piece that is to be generated is formed by a meshing engagement with the teeth of the tool, wherein the profile gauge is distinguished by having a toothed profile section with which, for determining the measurement quantity, the teeth of the tool are brought into a meshing engagement that corresponds to the tooth engagement between the tool and the work piece during the profile-forming phase. The invention further concerns a measuring device and a measurement method.

IPC Classes  ?

  • B23Q 17/22 - Arrangements for indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
  • G05B 19/18 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23Q 17/20 - Arrangements for indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
  • G01B 5/20 - Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

67.

COOLANT SUPPLY AND SKIVING MACHINE EQUIPPED THEREWITH, AND SKIVING METHOD CARRIED OUT THEREWITH

      
Application Number EP2014002369
Publication Number 2015/036098
Status In Force
Filing Date 2014-09-02
Publication Date 2015-03-19
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Liepelt, Ralf
  • Weppelmann, Edgar

Abstract

The invention relates to a coolant supply for supplying a coolant serving to carry off the heat generated by a skiving wheel rotating about its axis of rotation during skiving of a toothing. A supply section is provided which, in projection on the plane normal of the axis of rotation, is closer to the axis than the skiving wheel toothing and has a length component in the axial direction.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23C 5/28 - Features relating to lubricating or cooling
  • B23Q 11/10 - Arrangements for cooling or lubricating tools or work

68.

MEASURING GEOMETRY, MEASURING DEVICE COMPRISING SAID TYPE OF MEASURING GEOMETRY AND MEASURING METHOD

      
Application Number EP2014002394
Publication Number 2015/036104
Status In Force
Filing Date 2014-09-04
Publication Date 2015-03-19
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kreschel, Jürgen
  • Weppelmann, Edgar

Abstract

The invention relates to a measuring geometry for a toothed tool, in particular for hob peeling tool teeth, said geometry being used to determine at least one measurement variable which can be used for a process which is carried out using said tool, in particular for a peeling process, in a phase in which the profile of the tool teeth which is to be produced is formed by the tool teeth. The invention is characterized by a toothed region with which, when determining the measurement, the tool toothing is in a toothed engagement which corresponds to a toothed engagement between the tool and workpiece, in the profile-forming phase. The invention also relates to a measuring device and to a measuring method.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23Q 17/22 - Arrangements for indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work

69.

METHOD FOR MACHINING TOOTH EDGES AND MACHINING STATION DESIGNED FOR THIS PURPOSE

      
Application Number EP2014001930
Publication Number 2015/014448
Status In Force
Filing Date 2014-07-15
Publication Date 2015-02-05
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kleinbach, Kurt
  • Kreschel, Jürgen
  • Philippin, Matthias
  • Weppelmann, Edgar

Abstract

The invention relates to a method for machining the tooth edges between the end faces and the tooth flanks of a tooth gearing, wherein the machining tool is toothed and for the purpose of stock removal rotates about its tooth gearing axis and is brought into rolling engagement with the tooth gearing to be machined at a non-null crossed-axes angle between the axes of rotation of the machining tool and the tooth gearing to be machined.

IPC Classes  ?

  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 21/00 - Tools specially adapted for use in machines for manufacturing gear teeth

70.

GEAR CUTTING MACHINE AND METHOD FOR MACHINING GEAR TEETH

      
Application Number EP2014002068
Publication Number 2015/014483
Status In Force
Filing Date 2014-07-29
Publication Date 2015-02-05
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Philippin, Matthias

Abstract

The invention relates to a gear cutting machine for machining gear teeth, comprising a gear cutting tool, which is rotationally driven about a tool axis of the gear cutting tool, an assembly, which has a tool retainer provided for accommodating the gear cutting tool and which is rotatably supported on a carrier in order to set a desired orientation of the tool axis, a moving device, by means of which a setting of the rotational position of the assembly can be effected, and a locking device, by means of which the assembly can be locked against rotating from a set rotational position. According to the invention, an extension arm coupled to the assembly in a rotationally fixed manner is provided, which extension arm is a functional element of the moving device.

IPC Classes  ?

  • B23F 5/22 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling the tool being a hob for making spur gears
  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth

71.

METHOD FOR PRODUCING AND/OR PROCESSING A GEAR AND GEAR CUTTING MACHINE

      
Application Number EP2014001363
Publication Number 2014/187561
Status In Force
Filing Date 2014-05-20
Publication Date 2014-11-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Krebser, Gerhard
  • Schneider, Christoph
  • Philippin, Matthias

Abstract

The invention relates to a method for producing and/or processing a gear on a workpiece, wherein the workpiece is moved from a first location, in which the workpiece is clamped on a clamping device connected to a workpiece spindle and is brought into contact with a first tool in order to be processed, to a second location, whilst remaining clamped, in which second location the workpiece is brought into contact with a second tool in order to be processed. Before said movement is carried out, the connection between the clamping device and the workpiece spindle is disengaged and, after being moved into the processing position with the second tool, the clamping device is connected to another workpiece spindle.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B23F 23/06 - Chucking arrangements
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 19/06 - Shaving the faces of gear teeth
  • B23F 23/02 - Loading or chucking arrangements for workpieces

72.

METHOD FOR CUTTING OR MACHINING INTERNAL GEAR TEETH, MOTION CHANGING DEVICE AND MACHINE TOOL

      
Application Number EP2014000207
Publication Number 2014/131487
Status In Force
Filing Date 2014-01-27
Publication Date 2014-09-04
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Petrallia, Domenico
  • Witschi, Oswald

Abstract

The invention relates to a method for cutting or machining internal gear teeth of a workpiece that can be rotated about its rotational axis and radially delimits a free space which extends axially on one side beyond the internally toothed section and the radial extension of which tapers in at least one portion in the direction of extension. An externally toothed tool which is driven to rotate about its rotational axis is brought into rolling engagement with the internally toothed section from the other side and at a crossed-axes angle, the motion of chips that are produced and that are subject to a centrifugal force being changed by mechanical force in the region of the tapered portion contrary to the origin of the centrifugal force.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools

73.

METHOD FOR CUTTING OR MACHINING GEAR TEETH AND GEAR-CUTTING MACHINE

      
Application Number EP2014000250
Publication Number 2014/131488
Status In Force
Filing Date 2014-01-30
Publication Date 2014-09-04
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Brogni, Johannes
  • Petrallia, Domenico
  • Witschi, Oswald

Abstract

The invention relates to a method for cutting or machining gear teeth of a workpiece which is driven to rotate at very high speeds about its axis of rotation, using a toothed tool which is driven to rotate about its axis. The tool and the workpiece are brought into rolling engagement of the gear teeth between their rotational axes at a crossed-axes angle unequal zero like a helical bevel gear drive, the workpiece and/or its gear teeth being further machined during said tooth engagement.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 19/10 - Chamfering the end edges of gear teeth

74.

TRANSFER DEVICE AND MACHINE TOOL WITH SUCH A TRANSFER DEVICE

      
Application Number EP2013003600
Publication Number 2014/086466
Status In Force
Filing Date 2013-11-28
Publication Date 2014-06-12
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Rusch, Uwe
  • Schneider, Christoph

Abstract

The invention relates to a transfer device for transferring a workpiece received by a loading and unloading unit of a machine tool to a working station performing an operation on the workpiece, with a movement device which brings about a relative movement between the received workpiece and the working station, wherein a holding unit which holds the workpiece both when it is being received and when the operation is being performed is provided.

IPC Classes  ?

  • B23Q 7/00 - Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
  • B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools

75.

METHOD FOR PROCESSING A WORKPIECE AND HOBBING MACHINE SUITABLE THEREFOR

      
Application Number EP2013001789
Publication Number 2014/000870
Status In Force
Filing Date 2013-06-17
Publication Date 2014-01-03
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Krebser, Gerhard

Abstract

The invention relates to a method for processing a workpiece, in which an end-side toothed edge of a toothing of the workpiece produced by machining is reworked by plastic forming at a first location into a chamfer, the material displaced towards the end side of the toothing during reworking producing an end-side material accumulation and the material displaced towards the toothed flank of the toothing producing a flank-side material accumulation, and in which the resulting end-side and flank-side material accumulations are removed, the workpiece still having the end-side material accumulation being allowed to change location to a second location where the flank-side material accumulation is removed.

IPC Classes  ?

  • B23F 23/04 - Loading arrangements
  • B21H 5/02 - Making gear wheels with cylindrical outline
  • B21H 5/04 - Making gear wheels bevel gears
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 19/10 - Chamfering the end edges of gear teeth

76.

METHOD FOR GENERATING A GEAR TOOTH SYSTEM, AND A GEAR CUTTING MACHINE THAT CAN BE OPERATED USING SAID METHOD

      
Document Number 02873944
Status In Force
Filing Date 2013-06-10
Open to Public Date 2013-12-27
Grant Date 2020-08-18
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kreschel, Jurgen
  • Kobialka, Claus

Abstract

The invention relates to a method for generating a gear tooth system, wherein a workpiece to be toothed and a chip-removing tool are brought together by rolling motion until, after several passes of the tool, every flank of the gear tooth system has been generated. During each pass, a cut surface having at least one flank section is generated on the workpiece, wherein an additional motion is superimposed onto the rolling motion, by way of which the flank sections generated during at least two directly consecutive passes are connected. The invention further relates to a controlled gear cutting machine for carrying out said method.

IPC Classes  ?

  • B23F 5/12 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

77.

METHOD FOR GENERATING A GEAR TOOTH SYSTEM, AND A GEAR CUTTING MACHINE THAT CAN BE OPERATED USING SAID METHOD

      
Application Number EP2013001695
Publication Number 2013/189574
Status In Force
Filing Date 2013-06-10
Publication Date 2013-12-27
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kreschel, Jürgen
  • Kobialka, Claus

Abstract

The invention relates to a method for generating a gear tooth system, wherein a workpiece to be toothed and a chip-removing tool are brought together by rolling motion until, after several passes of the tool, every flank of the gear tooth system has been generated. During each pass, a cut surface having at least one flank section is generated on the workpiece, wherein an additional motion is superimposed onto the rolling motion, by way of which the flank sections generated during at least two directly consecutive passes are connected. The invention further relates to a controlled gear cutting machine for carrying out said method.

IPC Classes  ?

  • B23F 5/12 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

78.

Method of generating gear teeth, and a gear-cutting machine that is operable according to said method

      
Application Number 13905420
Grant Number 09144854
Status In Force
Filing Date 2013-05-30
First Publication Date 2013-12-19
Grant Date 2015-09-29
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Kreschel, Juergen
  • Kobialka, Claus

Abstract

The invention concerns a method of generating gear teeth, wherein a workpiece which is to receive a toothed profile and a cutting tool are advanced toward each other in a rolling feed motion until each tooth flank of the gear profile has been generated after several passes of the tool, wherein in each pass a cut surface containing at least one flank cut is generated on the workpiece, wherein an auxiliary motion is superimposed on the rolling motion, which has the effect that the flank cuts generated in at least two immediately consecutive passes will be connected to each other. In addition, the invention also concerns a gear-cutting machine with the requisite control features to perform the method.

IPC Classes  ?

  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 5/12 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting
  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

79.

Method for machining a workpiece and machine tool designed therefor

      
Application Number 13991432
Grant Number 09415454
Status In Force
Filing Date 2012-01-19
First Publication Date 2013-10-10
Grant Date 2016-08-16
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor
  • Schweiker, Helmut
  • Vogel, Andreas
  • Brogni, Johannes

Abstract

In a method for the machining of a workpiece (2) which is driven in rotary movement about a workpiece axis (Z) and whose shape includes a periodic structure, specifically a workpiece with gear teeth, a cutting tool which has gear-like teeth with a cutting edge formed at a frontal end of the teeth and which is driven in rotary movement about a cutting tool axis that is radially spaced apart from the workpiece axis, is brought into a rolling engagement with the workpiece under a crossing angle between the two rotary axes, wherein the cutting edge removes material from the workpiece through a cutting movement that has a component in the direction parallel to the workpiece axis, and wherein for the machining of the workpiece over a desired axial range the cutting tool is in addition made to perform a feed movement having a component parallel to the workpiece axis. According to the method, the feed movement component parallel to the workpiece axis and the cutting movement component parallel to the workpiece axis are oriented in opposite directions relative to each other.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups

80.

Guide arrangement and machine tool comprising such a guide arrangement

      
Application Number 13880104
Grant Number 09234543
Status In Force
Filing Date 2011-08-22
First Publication Date 2013-08-22
Grant Date 2016-01-12
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Adler, Kai
  • Gressler, Sabrina
  • Ernst, Martin
  • Kohler, Dietmar

Abstract

Guide arrangement serving to guide a linear movement of a movable part (2) extending opposite a stationary part (1) along the movement axis and along a transverse direction oriented at a right angle to the movement axis, wherein the guide arrangement includes a support area belonging to the stationary part on which the movable part is slidingly supported and a roller guide arrangement (12) with a roller-guiding area belonging to the stationary part.

IPC Classes  ?

  • F16C 31/00 - Bearings for parts which both rotate and move linearly
  • F16C 29/00 - Bearings for parts moving only linearly
  • B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
  • B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
  • B23Q 1/40 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using ball, roller or wheel arrangements

81.

METHOD FOR GRINDING TOOTHED WORKPIECES AND APPARATUS DESIGNED THEREFOR

      
Application Number EP2012004751
Publication Number 2013/083231
Status In Force
Filing Date 2012-11-15
Publication Date 2013-06-13
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor Weppelmann, Edgar

Abstract

The invention relates to a method for grinding a toothed workpiece having a tooth engagement axis in at least two operations, wherein, in a first operation, a grinding region of a grinding tool that is determined by the grinding method, rotates about a rotation axis and is fed in the direction of the axial spacing between the tooth engagement axis and the rotation axis is brought into grinding engagement with a tooth flank of the workpiece, and, in a subsequent second operation, the tooth flank is brought into grinding engagement with a grinding region of a grinding tool that is determined by the grinding method and is fed in the feeding direction of the first operation, wherein the grinding region that grinds in the first operation is dressed by way of a first dressing operation using a dressing tool and the grinding region that grinds in the second operation is dressed by way of a second dressing operation using a dressing tool, wherein, during the first dressing operation, a first dressing region and, during the second dressing operation, a second dressing region that is spatially separate from the first dressing region are brought into dressing engagement with the respective grinding region.

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth

82.

METHOD FOR MACHINING A WORKPIECE AND MACHINE TOOL DESIGNED THEREFOR

      
Application Number EP2012000249
Publication Number 2012/098002
Status In Force
Filing Date 2012-01-19
Publication Date 2012-07-26
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Schweiker, Helmut
  • Vogel, Andreas
  • Brogni, Johannes

Abstract

The invention relates to a method for machining a workpiece which is driven in rotation about a workpiece axis and is in the form of a periodic structure, in particular a toothed workpiece, wherein a toothed machining tool which is provided with a cutting edge formed on an end edge of its teeth and is driven in rotation about a tool axis that is spaced apart from the workpiece axis in the radial direction of the axis spacing is brought into rolling engagement with the workpiece at a crossed-axes angle between the two rotational axes, wherein the cutting edge removes material from the workpiece in a cutting movement that has a component parallel to the axis of the workpiece, and the machining tool is additionally made to execute a feed movement having a component parallel to the axis of the workpiece in order to machine the workpiece over a desired axial extent, wherein the components, parallel to the axis of the workpiece, of the feed movement and the cutting movement are directed in opposite directions to one another.

IPC Classes  ?

  • B23F 5/16 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting the tool having a shape similar to that of a spur wheel or part thereof

83.

GUIDE ARRANGEMENT AND MACHINE TOOL COMPRISING SUCH A GUIDE ARRANGEMENT

      
Application Number EP2011004215
Publication Number 2012/052082
Status In Force
Filing Date 2011-08-22
Publication Date 2012-04-26
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Adler, Kai
  • Gressler, Sabrina
  • Ernst, Martin
  • Kohler, Dietmar

Abstract

Guide arrangement, in particular of a machine tool, for guiding a linear movement of a movable part (2) which extends opposite a stationary part (1) along the movement axis and along a transverse direction running orthogonally to said axis, comprising a supporting region which is assigned to the stationary part and on which the movable part is slidingly supported against a holding force which acts, in a spacing direction, orthogonally to the extent of the movable part, and also comprising a rolling guide (12) having a rolling region associated with the stationary part, wherein a load which emanates from the movable part, has a component directed counter to the holding force and acts on the rolling region produces, within the stationary part, a loading along a loading path leading to the supporting region, wherein the loading path has a path section with a component directed counter to the load component in the spacing direction.

IPC Classes  ?

  • B23Q 1/01 - Frames, beds, pillars or like membersArrangement of ways
  • B23Q 1/38 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using fluid bearings or fluid cushion supports
  • B23Q 1/40 - Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable membersMeans for preventing relative movement of such members using ball, roller or wheel arrangements
  • F16C 29/00 - Bearings for parts moving only linearly

84.

Method for the machining of gear teeth, work piece with gear teeth, and machine tool

      
Application Number 13154638
Grant Number 08932105
Status In Force
Filing Date 2011-06-07
First Publication Date 2012-01-12
Grant Date 2015-01-13
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor
  • Heidelmann, Wilfried
  • Vucetic, Dragan

Abstract

Method for the machining of gear teeth whose tooth flanks deviate from their specified geometry by a machining allowance, wherein the machining allowance is removed through an infeed of at least two infeed steps, each of which is followed by a machining pass with a profiling tool that rotates about a tool axis, wherein for this operation the profiling tool—after it has been set to a position relative to the gear wheel that depends on the angle at which the plane of rotation of the tool which is orthogonal to the tool axis is tilted against the axis of the gear wheel—is brought into engagement with the gear teeth, wherein after each infeed step the material within the resultant engagement area of the tool is removed, wherein after the last infeed step with a tilt angle setting of the profiling tool that is determined by the design angle of the latter, the area of tool engagement extends over the entire flank height, so that the next machining pass will remove the amount of material required to attain the specified geometry, wherein in at least one infeed step which precedes the last infeed step, the profiling tool is set to a tilt angle which deviates from the angle that the tool was designed for and which results in a tool engagement area which, in comparison to the setting at the designed angle, is enlarged in the direction of the flank height.

IPC Classes  ?

  • B23F 5/00 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
  • B24B 51/00 - Arrangements for automatic control of a series of individual steps in grinding a workpiece
  • B23F 1/02 - Making gear teeth by tools of which the profile matches the profile of the required surface by grinding

85.

Method for machining the flanks of substantially cylindrical gearing having modified crowning, in a diagonal rolling method

      
Application Number 13127811
Grant Number 08840444
Status In Force
Filing Date 2009-11-24
First Publication Date 2011-10-13
Grant Date 2014-09-23
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor
  • Faulstich, Ingo
  • Heidelmann, Wilfried

Abstract

The invention concerns a method of machining the tooth flanks of substantially cylindrical, but crowning-modified gears through a diagonal generating process employing a worm-shaped tool which is modified with a crowning in the direction of its rotary axis, wherein the crowning can be positive or negative (concave crowning), wherein by matching the crowning of the tool to the diagonal ratio, a flank twist is generated by means of the tool and superimposed on the natural flank twist, such that the result of said superposition equals the flank twist required for the work piece.

IPC Classes  ?

  • B23F 19/02 - Lapping gear teeth
  • B23F 21/18 - Taper hobs, e.g. for bevel gears
  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth
  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling

86.

Method for machining the tooth edges of end-cut work wheels

      
Application Number 12756402
Grant Number 08769820
Status In Force
Filing Date 2010-04-08
First Publication Date 2010-11-04
Grant Date 2014-07-08
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor
  • Philippin, Matthias
  • Pastow, Juergen

Abstract

A method and a device for machining the tooth edges (23, 25) developed between each end face (22, 24) and the tooth flanks (26, 27) of end-cut work wheels (2). The axis of rotation (20) of the spindle that carries the machining tool (21) is displaced around an orthogonal swivel axis (16) relative to the tool axis of rotation so that the cutting directions are opposite to each other with respect to the work wheel (2) in the machining of the lower tooth edges (23) and the upper tooth edges (25).

IPC Classes  ?

  • B23P 23/00 - Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
  • B21K 1/30 - Making machine elements wheelsMaking machine elements discs with gear-teeth
  • B23F 19/10 - Chamfering the end edges of gear teeth
  • B23F 5/00 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made

87.

Tool for machining a work piece and method for machining a work piece

      
Application Number 12669201
Grant Number 08647033
Status In Force
Filing Date 2008-07-25
First Publication Date 2010-08-12
Grant Date 2014-02-11
Owner
  • Gleanson-Pfauter Maschinenfabrik GmbH (Germany)
  • Schuster Maschinenbau GmbH (Germany)
Inventor
  • Moser, Rudolf
  • Kobialka, Claus
  • Schmidt, Matthias
  • Schuster, Helmut

Abstract

The invention relates to a machine tool for machining a work piece having a main spindle unit with a preferably vertical spindle axis, and a machining spindle unit, particularly a hobbing spindle unit that is arranged next to the spindle axis in a direction crosswise to the spindle axis to accommodate a machining tool, with said machining spindle unit being displaceable along a first guiding direction, in particular vertically (Z) by means of a first guide and crosswise, preferably perpendicularly (X) or approximately perpendicularly displaceable to the first guiding direction, particularly the vertical, by means of a second guide, can advance to a work piece clamped in the main spindle unit, and can swivel around a swivel axis (B), preferably perpendicularly to the spindle axis (A) of the machining spindle unit, and with the machining tool having an arbitrary number of helically arranged machining elements, in particular a single- or multi-threaded generating means, adapted to execute generating teeth manufacturing methods.

IPC Classes  ?

  • B23P 15/14 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
  • B23Q 39/00 - Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
  • B23P 23/00 - Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass

88.

METHOD FOR MACHINING THE FLANKS OF SUBSTANTIALLY CYLINDRICAL GEARING HAVING MODIFIED CROWNING, IN A DIAGONAL ROLLING METHOD

      
Application Number EP2009008363
Publication Number 2010/060596
Status In Force
Filing Date 2009-11-24
Publication Date 2010-06-03
Owner GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Faulstich, Ingo
  • Heidelmann, Wilfried

Abstract

The invention relates to a method for machining the flanks of a gearing that is substantially cylindrical but has a modified crowning in a diagonal rolling method using a helical mold, which has been modified in the crowning in the direction of the axis of rotation thereof, wherein the crowning may be positive or negative (hollow crown), wherein a set is created with the tool by coordinating the crowning of the tool with the diagonal ratio and is superimposed on the natural set, thus yielding the set required for the workpiece.

IPC Classes  ?

  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth
  • B23F 21/16 - Hobs
  • B23F 5/04 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding the tool being a grinding worm

89.

GEAR CUTTING GRINDING MACHINE AND METHOD FOR DRESSING A GRINDING TOOL

      
Application Number EP2009006453
Publication Number 2010/025942
Status In Force
Filing Date 2009-09-04
Publication Date 2010-03-11
Owner GLEASON -PFAUTER MASCHINENFABRIK GmbH (Germany)
Inventor Kobialka, Claus

Abstract

In a gear cutting grinding machine, the work spindle (18) of which is supported on a first pivot movement unit (17) mounted on a first linear movement unit (15), a second linear movement unit (19), on which a dressing spindle (21) is mounted which can be rotatably driven, is disposed on the first linear movement unit (15).

IPC Classes  ?

  • B23F 23/12 - Other devices, e.g. tool holdersChecking devices for controlling workpieces in machines for manufacturing gear teeth
  • B24B 53/06 - Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
  • B24B 53/14 - Dressing tools equipped with rotary rollers or cuttersHolders therefor

90.

TOOL FOR MACHINING A WORK PIECE AND METHOD FOR MACHINING A WORK PIECE

      
Application Number EP2008006149
Publication Number 2009/013012
Status In Force
Filing Date 2008-07-25
Publication Date 2009-01-29
Owner
  • SCHUSTER MASCHINENBAU GMBH (Germany)
  • GLEASON-PFAUTER MASCHINENFABRIK GMBH (Germany)
Inventor
  • Moser, Rudolf
  • Kobialka, Claus
  • Schmidt, Matthias
  • Schuster, Helmut

Abstract

The invention relates to a machine tool for machining a work piece having a main spindle unit with a preferably vertical spindle axis, and a machining spindle unit, particularly a hobbing spindle unit that is arranged next to the spindle axis in a direction crosswise to the spindle axis to accommodate a machining tool, with said machining spindle unit being displaceable along a first guiding direction, in particular vertically (z) by means of a first guide and crosswise, preferably perpendicularly (x) or approximately perpendicularly displaceable to the first guiding direction, particularly the vertical, by means of a second guide, can advance to a work piece clamped in the main spindle unit, and can swivel around a swivel axis (B), preferably perpendicularly to the spindle axis (A) of the machining spindle unit, and with the machining tool having an arbitrary number of helically arranged machining elements, in particular a single- or multi threaded generating means, adapted to execute generating teeth manufacturing methods.

IPC Classes  ?

  • B23F 5/02 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
  • B23F 5/20 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
  • B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
  • B23F 23/06 - Chucking arrangements

91.

Diagonal generating method to generate tooth flanks with specified twist at specified flank line crowning

      
Application Number 12154312
Grant Number 07937182
Status In Force
Filing Date 2008-05-22
First Publication Date 2008-11-27
Grant Date 2011-05-03
Owner Gleason-Pfauter Maschinenfabrik GmbH (Germany)
Inventor Faulstich, Ingo

Abstract

By coordinating the amount and course of the crowning of the tool and the diagonal ratio, a twist is created with a simple tool, and superimposed on the natural twist, thus resulting in the twist required for the work piece. Furthermore, an additional portion of the crowning is superimposed on the portion of the crowning of the work piece which is the result of the crowning of the tool during the machining in the diagonal method, thus resulting in the required crowning of the work piece, with the additional portion of the crowning being generated by changing the spacing between tool and work piece during the machining.

IPC Classes  ?

  • G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
  • B23F 19/00 - Finishing gear teeth by other tools than those used for manufacturing gear teeth

92.

PFAUTER

      
Application Number 439330
Status Registered
Filing Date 1978-07-27
Registration Date 1978-07-27
Owner GLEASON-PFAUTER Maschinenfabrik GmbH (Germany)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Machines-outils, c'est-à-dire machines à tailler par fraise-mère, machines à mortaiser, machines à tailler les filets et vis sans fin, machines à fraiser, éléments de ces machines; transmissions hydrauliques, bandes transporteuses à maillons pour évacuer les copeaux des machines-outils, glissières et dispositifs de préhension pour le transport des pièces sur machines-outils; outils, c'est-à-dire fraises-mères, fraises et outils de serrage, couteaux et outils-pignons.