Abstract

Herein described is a device (1; 1') and a method for guiding and directing a metal sheet (2) curving calender (3) for continuously forming a frustoconical structure. The device (1; 1') comprises resting and contrasting means (4; 4') supported by a support unit (6; 6) and adapted to restingly receive a longitudinal edge (5) of the metal sheet (2) and contrasting a movement of the edge (5) in a direction which is transverse to an advancement trajectory (T) of the metal sheet (2) so as to determine a continuous rotation of the metal sheet. The resting and contrasting means comprise rolling elements (4; 4') arranged to roll along the edge (5) upon the movement of the metal sheet (2) along the advancement trajectory (T). The resting and contrasting means provide for a pair of rolling elements (4; 4') that are rotatably free to roll along the edge (5) upon the movement of the metal sheet (2) along the advancement trajectory (T), the support body (6, 6') being freely oscillatable around an axis (S3; S3') so as to allow an orientation of the rolling elements (4; 4') so as to maintain the latter in contact with the edge (5).

IPC Classes  ?

• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• B21D 43/02 - Advancing work in relation to the stroke of the die or tool
• B21D 51/10 - Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects

Goods & Services

Numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

(1) Numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. (2) Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

Numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Abstract

A roll bending machine (1) for metal plates and/or sheets comprises an upper bending roll (2) and two side bending roll (3); a supporting structure (5) to support opposite ends (2a, 2b, 3a, 3b) of upper and side bending rolls; moving means (6) to move the upper bending roll (2) and/or the side bending rolls (3) and adjust their position and/or orientation; the moving means (6) comprises for each bending roll (2, 3) a linear moving unit (10, 40) that includes a hydraulic cylinder (11, 11') having a piston (12) provided with a rod (13) connected to and acting on an end of the bending roll (2, 3), a hydraulic pump (15) to supply the hydraulic cylinder (11, 11') with pressurized hydraulic fluid and driven by a rotary electric motor (16), a tank (17) for said hydraulic fluid and a hydraulic circuit (20) provided with ducts (21-25) and valves (26-30) to connect hydraulic cylinder (11, 11'), hydraulic pump (15) and tank (17).

IPC Classes  ?

• B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• F15B 1/00 - Installations or systems with accumulatorsSupply reservoir or sump assemblies

Goods & Services

Numerically controlled machine tools; Hydraulic tools; Material production and processing machines; Calenders; Calender rollers [machines]; Metalworking machines; Metal forming machines; Folding machine; Bending machines for metalworking; Machines for shaping; Machines for use in assembly; Bending machines; Roll forming machines; Basket presses; Industrial robots; Mechanical shears [machines]; Milling cutters [machine tool]; Metal welding machines [electric]; Sheet metal flattening machines; Numerically controlled machining stations having an automatic tool changer; Transmission control mechanisms. Electronic control systems; Regulating apparatus, electric; Remote control apparatus; Numerical control apparatus; Machine control software; Testing software; Measuring devices; Industrial automation controls; Switchgear [electric]; Electronic control instruments; Robotic electrical control apparatus; Sensors for use with machine tools; Couplings, electric; Electrical and electronic components; Work stations [computers].

Goods & Services

Machine tools; numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software, excluding the following goods: any software for use in testing motor vehicle functions or operation; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

Machine tools; numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

(1) Machine tools; numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. (2) Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

Metalworking machine tools; numerically controlled machine tools used for machines parts; metalworking machines; metal forming machines; bending machines for metalworking; shaping machines for metalworking; bending machines; rolling machines for rolling metals; power operated basket presses; power operated shears, namely, mechanical shears; cutting machines for metalworking, namely, milling cutters; electric welding machines, namely, metal welding machines; metalworking machines, namely, sheet metal flattening machines; automatic tool changers for industrial robots, namely, numerically controlled machining stations having an automatic tool changer; transmission mechanisms, other than for land vehicles, namely, transmission control mechanisms Measuring devices being laser radius measuring system for rolling machines for rolling metals

Goods & Services

Metalworking machine tools; numerically controlled machine tools used for machines parts; metalworking machines; metal forming machines; bending machines for metalworking; shaping machines for metalworking; bending machines; rolling machines for rolling metals; power-operated basket presses; power operated shears, namely, mechanical shears; cutting machines for metalworking, namely, milling cutters; metalworking machines, namely, sheet metal flattening machines; automatic tool changers for industrial robots, namely, numerically controlled machining stations having an automatic tool changer; transmission mechanisms, other than for land vehicles, namely, transmission control mechanisms Electronic interface equipment for machine tools to input CNC (computer numerical control) data; measuring devices being laser radius measuring system for rolling machines for rolling metals; industrial automation controls

Goods & Services

(1) Machine tools; numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calender rollers [machines]; metalworking machines; metal forming machines; folding machine; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; roll forming machines; basket presses; industrial robots; mechanical shears [machines]; milling cutters [machine tool]; metal welding machines [electric]; sheet metal flattening machines; numerically controlled machining stations having an automatic tool changer; transmission control mechanisms. (2) Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software, excluding the following goods: any software for use in testing motor vehicle functions or operation; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

Machine tools; Numerically controlled machine tools; Hydraulic tools; Material production and processing machines; Calenders; Calender rollers [machines]; Metalworking machines; Metal forming machines; Folding machine; Bending machines for metalworking; Machines for shaping; Machines for use in assembly; Bending machines; Roll forming machines; Basket presses; Industrial robots; Mechanical shears [machines]; Milling cutters [machine tool]; Metal welding machines [electric]; Sheet metal flattening machines; Numerically controlled machining stations having an automatic tool changer; Transmission control mechanisms. Electronic control systems; Regulating apparatus, electric; Remote control apparatus; Numerical control apparatus; Machine control software; Testing software; Measuring devices; Industrial automation controls; Switchgear [electric]; Electronic control instruments; Robotic electrical control apparatus; Sensors for use with machine tools; Couplings, electric; Electrical and electronic components; Work stations [computers].

Goods & Services

Machine tools; Numerically controlled machine tools; Hydraulic tools; Material production and processing machines; Calenders; Calender rollers [machines]; Metalworking machines; Metal forming machines; Folding machine; Bending machines for metalworking; Machines for shaping; Machines for use in assembly; Bending machines; Roll forming machines; Basket presses; Industrial robots; Mechanical shears [machines]; Milling cutters [machine tool]; Metal welding machines [electric]; Sheet metal flattening machines; Numerically controlled machining stations having an automatic tool changer; Transmission control mechanisms. Electronic control systems; Regulating apparatus, electric; Remote control apparatus; Numerical control apparatus; Machine control software; Testing software, excluding the following goods: Any software for use in testing motor vehicle functions or operation; Measuring devices; Industrial automation controls; Switchgear [electric]; Electronic control instruments; Robotic electrical control apparatus; Sensors for use with machine tools; Couplings, electric; Electrical and electronic components; Work stations [computers].

Goods & Services

Machine tools; numerically controlled machine tools; hydraulic tools; material production and processing machines; calenders; calendering machines; metalworking machines; metal forming machines; bending machines for metalworking; machines for shaping; machines for use in assembly; bending machines; rolling machines; basket presses; industrial robots; electric shearing machines; milling cutters [machine tool]; metal welding machines [electric]; computer numerical control [CNC] machine tools for bending machines; transmission control mechanisms for machines. Electronic control systems; regulating apparatus, electric; remote control apparatus; numerical control apparatus; machine control software; testing software; measuring devices; industrial automation controls; switchgear [electric]; electronic control instruments; robotic electrical control apparatus; sensors for use with machine tools; couplings, electric; electrical and electronic components; work stations [computers].

Goods & Services

Machine tools for rolling and bending metals; numerically controlled machine tools used for machining parts; hydraulic tools, namely, hydraulic plate bending rolls; material processing machines, namely, machines for processing metals; calenders, namely, roll machines for folding metal; calendering machines, namely, metal calender machines; metalworking machines; metal forming machines; bending machines for metalworking; machines for shaping for metal working; bending machines; rolling machines for rolling metals; power-operated basket presses; industrial robots; electric shearing machines; milling cutters being machine tools; metal welding machines, electric; computer numerical control machine tools for bending machines, namely, metal working machine tools; transmission control mechanisms for machines Electronic control systems for machines; numerical control apparatus, namely, electronic interface equipment for machine tools to input or output computer numerical control data; downloadable and recorded machine control software for use in controlling rolling machines; downloadable and recorded testing software for use in testing the performance and functionality of rolling machines; measuring devices, namely, laser measuring system for measuring forming tolerances; industrial automation controls; switchgears; electronic control instruments, namely, electronic controllers for bending machines; robotic electrical control apparatus, namely, electrical controllers; couplings, electric; computer work stations comprising computer monitors, central processing units

Goods & Services

Machine tools; Numerically controlled machine tools; Hydraulic tools; Material production and processing machines; Calenders; Calender rollers [machines]; Metalworking machines; Metal forming machines; Folding machine; Bending machines for metalworking; Machines for shaping; Machines for use in assembly; Bending machines; Roll forming machines; Basket presses; Industrial robots; Mechanical shears [machines]; Milling cutters [machine tool]; Metal welding machines [electric]; Sheet metal flattening machines; Numerically controlled machining stations having an automatic tool changer; Transmission control mechanisms. Electronic control systems; Regulating apparatus, electric; Remote control apparatus; Numerical control apparatus; Machine control software; Testing software; Measuring devices; Industrial automation controls; Switchgear [electric]; Electronic control instruments; Robotic electrical control apparatus; Sensors for use with machine tools; Couplings, electric; Electrical and electronic components; Work stations [computers].

Abstract

A method for curving an elongated piece uses a digital system which includes a control console having a programmable processing unit and a screen for displaying data and a camera connected with the processing unit and configured and positioned for acquiring images of the elongated piece. In accordance with the method, the profile of at least one virtual template of curvature is stored in the processing unit and a real image of the elongated piece is detected. The profile of the virtual template and the real image of the elongated piece are reproduced and compared in real time. The roller curving machine is driven and the curvature and the geometric configuration of the elongated piece are matched with the profile of the virtual template of curvature.

IPC Classes  ?

• B21D 7/12 - Bending rods, profiles, or tubes with programme control
• B21D 7/08 - Bending rods, profiles, or tubes by passing between rollers or through a curved die
• G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
• G06T 7/00 - Image analysis

Abstract

An apparatus for the support and the controlled advancement of a sheet in a bending machine for forming a cylindrical or conical structure, in particular of a truncated cone structure, comprises a base structural frame adapted to be positioned upstream of said bending machine, with respect to an advancement direction of the sheet, a plurality of conveying modules which can be mounted, removable, on the structural frame so as to generate a plan of modular support and advancement which can be configured geometrically according to the shape and dimensions of the sheet to be produced; the modular support and advancement plane is geometrically configured to keep the sheet metal part supported by the plane in a flat condition; an lifting and tilting device configured to vary the position of the structural frame, supporting the conveying modules, from a horizontal lying position to an inclined lying position in which the support and advancement plane is inclined downwards towards the bending machine; repositioning and position correcting members configured to orient and arrange the sheet in a correct position before starting a bending cycle and configured to correct, during the bending cycle, the position of the sheet to impose it a predetermined advancement trajectory towards and through the bending machine. The relative method is also envisaged.

IPC Classes  ?

• B21D 5/12 - Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• B21D 43/02 - Advancing work in relation to the stroke of the die or tool
• B21D 43/09 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
• B65G 7/04 - Rollers
• B65G 7/08 - Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads for tilting the loads
• B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
• B21D 5/08 - Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
• B65G 13/12 - Roller frames adjustable

Abstract

resting and contrasting arrangement extending along a closed path, and suitable for restingly receiving a longitudinal edge of the metal sheet and contrasting a movement of the edge in a direction that is transverse to a preset advancement trajectory of the metal sheet; a supporting body for the resting and contrasting arrangement, having at least one oblong lateral portion that is suitable for facing the edge and configured for conforming the resting and contrasting arrangement to the longitudinal profile of the edge so as to obtain an extended zone of contact with said edge and impose resting and contrasting pressure distributed along the edge; the resting and contrasting arrangement is movable around the supporting body along the closed path to accompany the edge of the metal sheet by a distributed contact devoid of relative sliding and rolling, so as to impose on the metal sheet the advancement along the desired advancement trajectory to and through the bending machine. The corresponding method is also provided.

IPC Classes  ?

• B21D 43/02 - Advancing work in relation to the stroke of the die or tool
• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers

Abstract

Roller bending machine for bending an elongated workpiece (P) comprises: a first roller (2) suitable for acting on a first face (3) of the elongated workpiece (P); actuator means (4) coupled with the first roller (2) and configured for moving the first roller (2) along a first plane (P1) lying transversely to an advancement direction (DA) for the elongated workpiece (P); a second roller (5) and a third roller (6), arranged on sides opposite with respect to the first transverse plane (P1) and suitable for acting on a second face (7) of the elongated workpiece (P) opposite to the first face (3), further actuator means (8, 9) configured for moving the second roller (5) and the third roller (6) to vary the respective distance (D5; D6) thereof from the first plane (P1), the second roller (5) and third roller (6) being configured for moving, by further actuator means (8, 9), along respective trajectories (T1, T2) approaching the first roller (2) that extend transversely to the first plane (P1). The method is also provided for bending an elongated workpiece (P) by the aforesaid roller bending machine (1).

IPC Classes  ?

• B21D 7/08 - Bending rods, profiles, or tubes by passing between rollers or through a curved die
• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers

Abstract

A method for controlling a process for curving an elongated piece (P) by means of a digital system comprising: • - a control console (C) provided with a programmable processing unit (U) and with screen means (S) for displaying data, being associable to a roller curving machine (M) for curving said elongated piece (P), • - a camera unit (2), operationally connected to said processing unit (U), and configured and positioned for acquiring images of the elongated piece (P) to be curved by said roller curving machine (M); COMPRISES THE STEPS OF: • - storing the profile of at least one virtual template (T) of curvature in the processing unit (U) of the control console (C); detecting, by the camera unit (2), a real image (I) of the elongated piece (P) to be curved which is positioned on the roller curving machine (M); reproducing the profile of the virtual template (T) and the real image (I) of the elongated piece (P) detected by the camera unit (2) on screen means (S); comparing in real time the real image (I) of the elongated piece (P) reproduced on viewing screen means (S) with the profile of the virtual template (T), reproduced on viewing screen means (S) and superimposed on the real image (I) of the piece, and driving the roller curving machine (M) and matching the curvature and the geometric configuration of the elongated piece (P) with the profile of the virtual template (T) of curvature. An apparatus and a computer product for implementing the aforesaid method and a roller curving machine provided with said apparatus are also provided.

IPC Classes  ?

• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
• G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object

Abstract

An apparatus (1) for the support and the controlled advancement of a sheet (2) in a bending machine (3) for forming a cylindrical or conical structure, in particular of a truncated cone structure, comprises a base structural frame (4) adapted to be positioned upstream of said bending machine (3), with respect to an advancement direction (AD) of the sheet (2), a plurality of conveying modules (M) which can be mounted, removable, on the structural frame (4) so as to generate a plan (P) of modular support and advancement which can be configured geometrically according to the shape and dimensions of the sheet (2) to be produced; the modular support and advancement plane (P) is geometrically configured to keep the sheet metal part (2) supported by the plane in a flat condition; an lifting and tilting device (5) configured to vary the position of the structural frame (4), supporting the conveying modules (M), from a horizontal lying position (Go) to an inclined lying position (Gi) in which the support and advancement plane (P) is inclined downwards towards the bending machine (3); repositioning and position correcting members (6) configured to orient and arrange the sheet (2) in a correct position before starting a bending cycle and configured to correct, during the bending cycle, the position of the sheet (2) to impose it a predetermined advancement trajectory (T) towards and through the bending machine (3), The relative method is also envisaged.

IPC Classes  ?

• B21D 5/12 - Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
• B21D 43/09 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers

Abstract

A device (1) for guiding and directing a metal sheet (2) in a bending machine (3) to form continuously a conical structure, in particular a frustoconical structure, comprises: resting and contrasting means (4; 104; 204) extending along a closed path, and suitable for restingly receiving a longitudinal edge (E) of the metal sheet (2) and contrasting a movement of the edge (E) in a direction that is transverse to a preset advancement trajectory (T) of the metal sheet (2); a supporting body (S) for the resting and contrasting means (4; 104; 204), having at least one oblong lateral portion (5) that is suitable for facing the edge (E) and configured for conforming the resting and contrasting means (4; 104; 204) to the longitudinal profile of the edge (E) so as to obtain an extended zone of contact with said edge and impose resting and contrasting pressure distributed along the edge (E); the resting and contrasting means (4; 104; 204) is movable around the supporting body (S) along the closed path to accompany the edge (E) of the metal sheet by a distributed contact devoid of relative sliding and rolling, so as to impose on the metal sheet (2) the advancement along the desired advancement trajectory (T) to and through the bending machine (3). The corresponding method is also provided.

IPC Classes  ?

• B21D 43/02 - Advancing work in relation to the stroke of the die or tool
• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• F16C 29/06 - Ball or roller bearings in which the rolling bodies circulate partly without carrying load

Abstract

An apparatus for the electrohydraulic control of the parallelism of a roller in a bending machine for working metal pieces, has a first and second pumps for supplying with an operating fluid a first and second actuators, position transducers and a first and second proportional valves to adjust the flow of the operating fluid into the first and second actuators according to signals of the position transducers.

IPC Classes  ?

• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• F15B 11/22 - Synchronisation of the movement of two or more servomotors
• B21C 51/00 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses
• F15B 11/16 - Servomotor systems without provision for follow-up action with two or more servomotors
• F15B 13/06 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors

Goods & Services

Bending machines, bending machines for metalworking; metal forming machines; metal working machines; rolling machines for rolling metals; machine tools, namely, powered machines for cutting or shaping or finishing metals or other materials; metal working machine tools; numerically controlled machines and machine tools used for machining parts; rolling mills; rolling mills for metalworking, bending, rounding, rolling machines for angles, beams, pipes, section and profiles; angle rolls; metal working machines, namely, angel bending rolls; metal working machines, namely, beam benders; metal working machines, namely, beams rollers; metal working machines, namely, pipe benders; metal working machines, namely, pipe rollers; metal working machines, namely, tube benders; metal working machines, namely, machines to round roller-coaster rails; metal working machines, namely, machine to round rails

Goods & Services

Rolling machines for metals; roll bending machines for metal sheets; bending machines for metalworking; press bending and folding machines for metal sheets; sections roll bending machines; metal plate bending machines

Abstract

An apparatus for the electrohydraulic control of the parallelism of a roller in a bending machine for working metal pieces, has a first and second pumps for supplying with an operating fluid a first and second actuators, position transducers and a first and second proportional valves to adjust the flow of the operating fluid into the first and second actuators according to signals of the position transducers.

IPC Classes  ?

• B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
• F15B 11/22 - Synchronisation of the movement of two or more servomotors

Goods & Services

electronic control systems for machines

Goods & Services

Rolling machines for metals; roll bending machines for metal sheets; bending machines for metalworking; press bending and folding machines for metal sheets; sections roll bending machines; electronically and power operated positioning machines and tools; industrial robots; electronic control systems for machines. Computer numeric control electronic interface equipment for machine tools.

Goods & Services

Rolling machines for metals; rolling bending machines for metal sheets; bending machines for metalworking; press bending and folding machines for metal sheets; sections roll bending machines; industrial robots Industrial automation controls; electronic control systems for machines; computer numeric control electronic interface equipment for machine tools

Goods & Services

Rolling machines for metals; roll bending machines for metal sheets; bending machines for metalworking; press bending and folding machines for metal sheets; sections roll bending machines; industrial robots; electronic control systems for machines Computer numeric control electronic interface equipment for machine tools

Goods & Services

(1) Machine tools, plate bending machines, digital-control bending machines, bending machines for profile, forming presses, hydraulic presses, hydraulic and oleodynamic shearing machines, electronic control devices for machine tools and plate bending machines.

Goods & Services

Machine tools, sheet bending calenders, numerically controlled bending calenders, section bending apparatus, folding presses, hydraulic presses, oleodynamic and hydraulic shearing machines. Electronic control systems for machine tools and bending calenders.

Goods & Services

Machine tools, sheet bending calenders, numerically controlled bending calenders, section bending apparatus, folding presses, hydraulic presses, oleodynamic and hydraulic shearing machines. Electronic control systems for machine tools and bending calenders.

Goods & Services

Sheet metal bending calenders, section benders, bending presses, hydraulic presses, oleodynamic and hydraulic cutters.

Goods & Services

metal plate bending machines

Goods & Services

(1) Roll bending machines.