Rotary cutting tools are disclosed comprising shanks and replaceable cutting inserts are provided. A head of the cutting insert includes insert centering surfaces that contact the pocket centering walls of the shank, and insert drive surfaces that contact the torque transmitting pocket drive walls of the shank. The configurations and sizes of the shank and cutting insert features are controlled to provide improved torque transmission, rigidity and stability during operation of the rotary cutting tools.
A modular rotor blade assembly includes a pair of cover plates; a base plate disposed between the pair of cover plates; a wedge disposed within a slot formed in a perimeter of the base plate; and a rotor blade attached to the wedge. One or more cover plates and/or the rotor blade with corresponding wedge are capable of being replaced without the need to replace the base plate, thereby reducing the cost or replacing the entire rotor blade assembly.
A cutting-bit holder block may include a forward mounting portion, an interior portion, a bottom mounting portion, a side portion, and a cavity. The forward mounting portion may define an aperture sized to hold a cutting-bit. The interior portion may be disposed within the cutting-bit holder block. The aperture may extend from the forward mounting portion to the interior portion. The side portion may extend from the forward mounting portion to the bottom mounting portion. The cavity may be disposed in the side portion. The cavity may extend from the interior portion to the bottom mounting portion. The cavity may be in communication with the aperture.
A tool is provided, which comprises at least one cutting plate for machining a workpiece, comprising a carrier, having a plate seat for the cutting plate, wherein the cutting plate comprises a cutting edge for machining the workpiece, wherein the cutting plate comprises a cutting corner where the cutting edge terminates, wherein the cutting plate comprises a lateral face having a contact face and a clearance face, wherein the contact face abuts the plate seat, wherein the clearance face is circumscribed by the cutting edge, wherein, at least at the cutting corner, the clearance face protrudes in relation to the contact face. Furthermore, a corresponding cutting plate for such a tool is provided.
An indexable earth cutting tool system includes an indexable earth cutting tool assembly and a support block. The earth cutting tool assembly includes a cutting tool, such as a conical cutting bit, and a sleeve having a bore for receiving a shank of the conical cutting bit. The conical cutting bit can be a rotatable conical cutting bit or a static conical cutting bit. In one aspect, the sleeve is a dual indexable sleeve with the bore having a cylindrical portion and a non-cylindrical portion that accepts both the rotatable conical cutting bit and the static (i.e., non-rotatable) conical cutting bit. In another aspect, the sleeve is a static indexable sleeve with the bore having only a non-cylindrical cross section that only accepts the static conical cutting bit.
B28D 1/18 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by milling, e.g. channelling by means of milling tools
A tool holder for cooling a cutting insert is disclosed. The tool holder may include a tool holder body, a cutting insert mounted on the tool holder body, and a through coolant clamp mounted to the tool holder body that secures the cutting insert to the tool holder body and provides coolant fluid to the cutting insert. The through coolant clamp may include a base portion with a fluid chamber extending radially outward from a clamp screw hole. A nose portion extends radially outward from the base portion, and at least one nozzle is provided within the nose portion extending along a nozzle axis. The nozzle includes a nozzle inlet and a nozzle outlet with a nozzle surface therebetween. The through coolant clamp may further include a transition outer surface in fluid communication with the fluid chamber and the nozzle inlet. The transition outer surface forms a smooth transition between the fluid chamber and the coolant channel inlet that provides controlled flow of the coolant through the coolant clamp.
Toolholders that have a movable coolant pipe are described. An example toolholder has a tool body and a coolant pipe. The tool body is rotatable around a central axis and has a coolant channel, a tool body passageway, and a chamber. The chamber extends from the tool body passageway toward the coolant channel. The coolant pipe is disposed within the chamber and has a coolant pipe first end, a coolant pipe second end, and a coolant pipe portion. The coolant pipe portion extends from the coolant pipe second end toward the coolant pipe first end. The coolant pipe is movable between a resting position and a deflected position. In the resting position, the coolant pipe portion is disposed a first distance from the central axis. In the deflected position, the coolant pipe portion is disposed a second distance from the central axis that is different than the first distance.
A cutting-bit holder block may include a forward mounting portion, an interior portion, a bottom mounting portion, a side portion, and a cavity. The forward mounting portion may define an aperture sized to hold a cutting-bit. The interior portion may be disposed within the cutting-bit holder block. The aperture may extend from the forward mounting portion to the interior portion. The side portion may extend from the forward mounting portion to the bottom mounting portion. The cavity may be disposed in the side portion. The cavity may extend from the interior portion to the bottom mounting portion. The cavity may be in communication with the aperture.
A turning bit for face-grooving or parting has a cutting edge that abuts a first lateral edge via a first cutting corner and abuts a second lateral edge via a second cutting corner. The first cutting corner and the second cutting corner are arranged mirror-symmetrically to a vertical plane (VE). Furthermore, the cutting edge has a centerpoint (P), which is arranged on the vertical plane (VE) and is distanced from an axial plane (AE).
A powder feeder system includes multiple electro-mechanical powder feeders structured for conveying powder compositions to a mixing hopper. A programmable logic control (PLC) can be incorporated into the multiple feeder system. The PLC can be programmed for determining a real-time powder flow rates for the powder feeders, receiving recipe data input related to creating a resultant coating composition, comparing powder composition flow rate data to the recipe data, and adjusting the operational aspects of motors and metering wheels associated with the multiple powder feeders in response to comparing the powder composition flow rate data to the recipe data. In various applications, the powder feeder system can be a subsystem of a thermal spray system configured for hardfacing and coating work pieces such as drill bits, road mills, shafts, mining tools, and/or stabilizers.
A rotary cutting tool has a tool shank and at least one guide pad, which is fastened on the outer circumference of the tool shank and has a radially external fluid groove. The guide pad has an inlet channel, via which the fluid groove is fluidly connected to an internal fluid line in the tool shank.
A multi-component electro-mechanical flame spray deposition system is disclosed having a first electro-mechanical feeder and a second electro-mechanical feeder, each in communication with a mixing hopper, and wherein the mixing hopper is in communication with a powder nozzle having an orifice, and a combustion torch having an orifice, wherein the orifice of the powder nozzle is in juxtaposition to the orifice of the combustion torch. A method of using the multi-component electro-mechanical flame spray deposition system is provided for depositing substrates on or to articles of manufacture.
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
15.
ROTATABLE CUTTING TOOL WITH CUTTING INSERT AND BOLSTER
A rotatable cutting tool includes a cutting tool body with a head portion. A bolster is at least partially received in the head portion and includes a socket, a collar portion and a shank portion. The socket is formed with a conical side wall and a radius blend. A hard tip or cutting insert is at least partially received in the socket and includes a conical head portion, a collar portion and an axially rearward frustoconical portion that generally conforms to the geometry of the socket of the bolster. The shank portion of the bolster provides a narrow bottom style geometry and the axially rearward frustoconical portion of the cutting insert provides a tapered geometry that together increases the strength of a braze joint between the bolster and the base portion, thereby reducing forces and stresses transmitted to the cutting tool during a machining operation.
E21B 10/43 - Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
E21C 35/183 - Mining picksHolders therefor with inserts or layers of wear-resisting material
In one aspect, methods of making coated articles are described herein. A method, in some embodiments, comprises providing a substrate, and depositing a coating by chemical vapor deposition (CVD) and/or physical vapor deposition (PVD) over a surface of the substrate, the coating comprising at least one polycrystalline layer, wherein one or more CVD and/or PVD conditions are selected to induce one or more properties of the polycrystalline layer. The presence of the one or more properties in the polycrystalline layer is quantified by two-dimensional (2D) X-ray diffraction analysis.
C30B 28/14 - Production of homogeneous polycrystalline material with defined structure directly from the gas state by chemical reaction of reactive gases
A rotatable cutting tool includes a cutting tool body with a head portion. A bolster is at least partially received in the head portion and includes a socket, a collar portion and a shank portion. The socket is formed with a conical side wall and a radius blend. A hard tip or cutting insert is at least partially received in the socket and includes a conical head portion, a collar portion and an axially rearward frustoconical portion that generally conforms to the geometry of the socket of the bolster. The shank portion of the bolster provides a narrow bottom style geometry and the axially rearward frustoconical portion of the cutting insert provides a tapered geometry that together increases the strength of a braze joint between the bolster and the base portion, thereby reducing forces and stresses transmitted to the cutting tool during a machining operation.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Automated tool dispensers Providing a secure, web-based service featuring technology that assists individuals to configure, create, select and buy metal cutting tools and optimize metal cutting tool performance; providing online non-downloadable software for inventory management, reconditioning and recycling, and custom engineering of metal cutting tools
19.
HYDRAULIC CHUCK ASSEMBLY AND EXPANSION SLEEVE THEREFOR
A hydraulic chuck assembly includes a tool support member having an axial bore. An expansion sleeve is received within the axial bore of the tool support member. The expansion sleeve comprises an inner surface, an outer surface and a front flange extending radially outward from the outer surface. A primary pressure chamber is formed between the axial bore of the tool support member and the outer surface of the expansion sleeve. A flexibility of the expansion sleeve is increased by removing material from the expansion sleeve in a vicinity of a front braze ring and a rear braze ring, thereby decreasing a maximum stress in the front braze ring and the rear braze ring. The material is removed by undercuts that form secondary pressure chambers in fluid communication with the primary pressure chamber.
A method for producing a cutting tool, in particular a drill bit, is specified wherein the cutting tool has a front end (F) at the front and a rear end (R) toward the rear, wherein a tool tip is formed on the front end (F), a point thinning is ground at the tool tip with a grinding tool, the point thinning being ground to be narrower toward the front than toward the rear. The point thinning is ground with a constant point thinning angle (AW). Furthermore, a corresponding cutting tool is specified.
H01L 29/78 - Field-effect transistors with field effect produced by an insulated gate
H01L 21/467 - Chemical or electrical treatment, e.g. electrolytic etching using masks
H01L 29/08 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
H01L 29/24 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only inorganic semiconductor materials not provided for in groups , , or
A hydraulic chuck may include an expansion sleeve, a plurality of pistons, and an actuator ring. The expansion sleeve may include a bore. The plurality of pistons may be axially mounted in at least one piston chamber of the expansion sleeve. The actuator ring may be rotatably mounted relative to the expansion sleeve. The actuator ring may be configured to actuate the plurality of pistons in the at least one piston chamber to hydraulically expand the expansion sleeve to provide a varying clamping force within the bore.
Hydraulic chuck assemblies for receiving tool shanks are disclosed. The hydraulic chuck assembly comprises a tool support member, a clamping tube, and an expansion sleeve. The clamping tube may be integral to or separate from and attached to the tool support member. The clamping tube comprises slots on the radial outer surface to provide torque transfer. The expansion sleeve comprises a generally cylindrical body, an integral flange, and a torque transfer projection. The torque transfer projection extends radially outward from the outer wall of the body below the integral flange. The expansion sleeve further comprises a pressure chamber in fluid communication with a pressurized fluid system in the tool support member. During operation, a pressure adjustment screw in the tool support member communicates with the pressurized fluid chamber of the expansion sleeve to clamp a tool shank.
A cutting system includes a rotatable transport member, a plurality of tool holders, and a plurality of cutting tools. A plurality of tool holders is attached to the rotatable transport member. The plurality of tool holders is spaced apart along the rotatable transport member and configured to passively rotate relative to the rotatable transport member. The plurality of cutting tools is rotatably attached to each tool holder. Each of the cutting tools is configured to passively rotate around different axis than an axis around which the tool holder passively rotates.
An improved tungsten carbide powder comprises (W,Cr) C solid solution phase for oxidation resistance at high temperatures. The improved tungsten carbide powders may be formed by carburizing a mixture of tungsten powder, carbon powder, and Cr2O3 powder. The tungsten carbide powder herein may be used to form ready-to-press (RTP) or grade powders. These RTP may be used to form articles, including articles that require excellent oxidation resistance at high temperature. One such component is a seal ring for a liquid battery.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 1/055 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
A rotary tool (2) is provided, comprising: a main blade (4), a chip flute (6), a lateral surface (8), a flank (10) trailing the main blade (4) and extending from the main blade (4) up to the lateral surface (8) and to the chip flute (6), wherein the flank (10) comprises a kink (12) and is thus concave in configuration, wherein the kink (12) extends from the lateral surface (8) up to the chip flute (6) and thus divides the flank (10) into a leading partial surface (14) and a trailing partial surface (16). The invention further relates to a method for manufacturing such a rotary tool (2).
A cutting tool includes a base body and a cutting head at least partially disposed within a modular pocket of the base body. The modular pocket is formed by at least one wall section removably attached to the base body. In one variation, a non-removable portion of the base body also forms part of the modular pocket. In another variation, the modular pocket is formed by two removable wall sections on opposite sides of the modular pocket. In yet another variation, the removable wall sections include a clamping portion to exert a downward force on the cutting head to enable mounting the cutting head in the modular pocket using an interference fit.
In one aspect, a coated cutting tool described herein comprises a substrate and a coating adhered to the substrate, the coating including a refractory layer comprising AlON, the AlON layer exhibiting a peak in a range of 33-35° 2θ in an XRD, wherein the peak has a FWHM of 0.1°-0.7° 2θ. In some embodiments, the AlON layer can exhibit a ribbon-like crystallites, needle-like crystallites, or rice-like crystallites and associated surface texture.
C23C 28/04 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of inorganic non-metallic material
42 - Scientific, technological and industrial services, research and design
Goods & Services
Technological consultation in the field of materials science and metalworking tooling and wear-resistant solutions; technological consultation in the field of selecting metalworking tools suitable for their intended uses
Arranging and conducting marketing programs for third parties in the nature of promotional events used to promote the sale of metalworking machine tools
34.
DOUBLE-SIDED, INDEXABLE CUTTING INSERT WITH HIGH RAMPING CAPABILITY AND CUTTING TOOL THEREFOR
A double-sided, indexable cutting insert for a milling cutter includes a first surface, a second surface, and side surfaces. Cutting edges are defined at an intersection between the first and second surfaces and side surfaces. Each cutting edge includes a first cutting-edge portion, a second cutting-edge portion and a third cutting-edge portion. The first and second surfaces include diagonally opposite recessed regions. The cutting insert is mounted in a milling cutter defining a radial rake angle, A, and a ramping angle, B, with respect to a central, rotational axis of the milling cutter that provide superior performance for both milling and ramping cutting operations.
A double-sided, indexable cutting insert for a milling cutter includes a first surface, a second surface, and side surfaces. Cutting edges are defined at an intersection between the first and second surfaces and side surfaces. Each cutting edge includes a first cutting-edge portion, a second cutting-edge portion and a third cutting-edge portion. The first and second surfaces include diagonally opposite recessed regions. The cutting insert is mounted in a milling cutter defining a radial rake angle, A, and a ramping angle, B, with respect to a central, rotational axis of the milling cutter that provide superior performance for both milling and ramping cutting operations.
Rotary cutting tools are disclosed comprising shanks and replaceable cutting inserts are provided. The shank comprises a pocket which receives an interchangeable cutting insert. The pocket includes a floor with a central pin-receiving hole, opposing pocket centering walls, and torque transmitting pocket drive walls. The cutting insert has a relatively long rear pin receivable in the central hole of the shank. A head of the cutting insert includes insert centering surfaces that contact the pocket centering walls of the shank, and insert drive surfaces that contact the torque transmitting pocket drive walls of the shank. The configurations and sizes of the shank and cutting insert features are controlled to provide improved torque transmission, rigidity and stability during operation of the rotary cutting tools.
A tool holder for rotary cutting tools is described. The tool holder comprises an axis of rotation, a body having a receptacle for the rotary cutting tool, the receptacle extending coaxially with the axis of rotation, and at least one coolant channel terminating in an opening and adapted to conduct coolant to the rotary cutting tool via the opening. The coolant channel extends through an axial protrusion and the tool holder has an adjusting mechanism which is adjustable between a first position, in which the opening is at a first radial distance from the axis of rotation, and a second position, in which the opening is at a second, different radial distance from the axis of rotation, the axial protrusion being elastically deflected in the second position relative to the first position by the adjusting mechanism.
Rotary cutting tools are disclosed comprising shanks and replaceable cutting inserts are provided. The shank comprises a pocket which receives an interchangeable cutting insert. The pocket includes a floor with a central pin-receiving hole, opposing pocket centering walls, and torque transmitting pocket drive walls. The cutting insert has a relatively long rear pin receivable in the central hole of the shank. A head of the cutting insert includes insert centering surfaces that contact the pocket centering walls of the shank, and insert drive surfaces that contact the torque transmitting pocket drive walls of the shank. The configurations and sizes of the shank and cutting insert features are controlled to provide improved torque transmission, rigidity and stability during operation of the rotary cutting tools.
A cutting system may include a tool and a stationary fixture. The tool may include a cam connected with a cutting insert. The stationary fixture may be spaced apart from the tool. The stationary fixture may include a gear moveable within the stationary fixture. The cam of the tool may be configured to be moved into contact with the gear of the stationary fixture. The stationary fixture may be configured to index the cutting insert.
A cutting system may include a tool and a stationary fixture. The tool may include a cam connected with a cutting insert. The stationary fixture may be spaced apart from the tool. The stationary fixture may include a moveable indexing pin moveable relative to the stationary fixture. The cam of the tool may be configured to be moved into contact with the moveable indexing pin of the stationary fixture, and the moveable indexing pin of the stationary fixture may be configured to cause the cam to rotate thereby indexing the cutting insert.
In one aspect, a method of making a sintered article comprises providing a composite article comprising a porous exterior printed from a powder composition via one or more additive manufacturing techniques, the porous exterior defining an interior volume and providing a loose powder component in the interior volume. The porous exterior and loose powder component are simultaneously sintered to provide the sintered article comprising a sintered interior and sintered exterior.
B28B 1/00 - Producing shaped articles from the material
B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
B22F 10/38 - Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
B22F 10/64 - Treatment of workpieces or articles after build-up by thermal means
B22F 10/66 - Treatment of workpieces or articles after build-up by mechanical means
A clamping assembly includes a base member having an internal bore, a lock rod within the internal bore of the base member and moveable between an unlocked position and a locked position, the lock rod including a lock rod cam surface and a first bearing, a crank wheel having an axis of rotation and a third bearing, and a linkage including a second bearing comprising an elongated cavity formed in an outer surface, a fourth bearing and a cam surface at one end thereof.
An indexable earth cutting tool system includes an indexable earth cutting tool assembly and a support block. The earth cutting tool assembly includes a cutting tool, such as a conical cutting bit, and a sleeve having a bore for receiving a shank of the conical cutting bit. The conical cutting bit can be a rotatable conical cutting bit or a static conical cutting bit. In one aspect, the sleeve is a dual indexable sleeve with the bore having a cylindrical portion and a non-cylindrical portion that accepts both the rotatable conical cutting bit and the static (i.e., non-rotatable) conical cutting bit. In another aspect, the sleeve is a static indexable sleeve with the bore having only a non-cylindrical cross section that only accepts the static conical cutting bit.
A modular drill includes an insert and a main body. The insert has a working end and a retention end. The retention end includes a retention bit. The main body has an attachment end for attachment to a toolholder and a receiving end defining an insert pocket. There is at least one clamping finger disposed in the pocket. The insert is disposed in the insert pocket with the retention bit held in tension with the clamping fingers.
Sintered cemented carbide powder compositions for use in the production of various articles by additive manufacturing are described. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise a monomodal particle size distribution in which the sintered cemented carbide particles have a D50 of greater than 12 µm and a D10 of greater than 5 µm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies comprising the described sintered cemented carbide powder compositions are also described. Methods of making the sintered cemented carbide powder compositions, and methods of making the sintered cemented carbide bodies are also described.
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
C04B 35/626 - Preparing or treating the powders individually or as batches
Sintered cemented carbide powder compositions are disclosed for use in the production of various articles by additive manufacturing. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise at least a bimodal size distribution in which the first mode has a D50 of 20 μm to 45 μm and the second mode has a D50 of 5 μm to 20 μm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies additively manufactured from the sintered cemented carbide powder compositions are disclosed. Methods of making the sintered cemented carbide powder compositions and methods of making the sintered cemented carbide bodies are also disclosed.
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
B28B 1/00 - Producing shaped articles from the material
Sintered cemented carbide powder compositions are disclosed for use in the production of various articles by additive manufacturing. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise at least a bimodal size distribution in which the first mode comprising spherical sintered cemented carbide particles having a D50 of 15 µm to 45 µm and the second mode comprises non-spherical cemented carbide particles having a D50 of 5 µm to 15 µm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies additively manufactured from the sintered cemented carbide powder compositions are disclosed. Methods of making the sintered cemented carbide powder compositions and methods of making the sintered cemented carbide bodies are also disclosed.
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
C04B 35/626 - Preparing or treating the powders individually or as batches
B28B 1/00 - Producing shaped articles from the material
B33Y 70/00 - Materials specially adapted for additive manufacturing
Sintered cemented carbide powder compositions for use in the production of various articles by additive manufacturing are described. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise a monomodal particle size distribution in which the sintered cemented carbide particles have a D50 of greater than 12 μm and a D10 of greater than 5 μm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies comprising the described sintered cemented carbide powder compositions are also described. Methods of making the sintered cemented carbide powder compositions, and methods of making the sintered cemented carbide bodies are also described.
B22F 9/02 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
51.
CEMENTED CARBIDE POWDERS FOR ADDITIVE MANUFACTURING AND SINTERED BODIES MADE THEREFROM
Sintered cemented carbide powder compositions for use in the production of various articles by additive manufacturing are described. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise a monomodal particle size distribution in which the sintered cemented carbide particles have a D50 of greater than 12 μm and a D10 of greater than 5 μm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies comprising the described sintered cemented carbide powder compositions are also described. Methods of making the sintered cemented carbide powder compositions, and methods of making the sintered cemented carbide bodies are also described.
B22F 9/02 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
52.
BIMODAL CEMENTED CARBIDE POWDERS FOR ADDITIVE MANUFACTURING AND STRUCTURED BODIES MADE THEREFROM
Sintered cemented carbide powder compositions are disclosed for use in the production of various articles by additive manufacturing. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise at least a bimodal size distribution in which the first mode has a D50 of 20 μm to 45 μm and the second mode has a D50 of 5 μm to 20 μm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies additively manufactured from the sintered cemented carbide powder compositions are disclosed. Methods of making the sintered cemented carbide powder compositions and methods of making the sintered cemented carbide bodies are also disclosed.
B28B 1/00 - Producing shaped articles from the material
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C04B 35/626 - Preparing or treating the powders individually or as batches
C04B 41/00 - After-treatment of mortars, concrete, artificial stone or ceramicsTreatment of natural stone
Sintered cemented carbide powder compositions are disclosed for use in the production of various articles by additive manufacturing. The individual particles of the powder compositions comprise metal carbide particles sintered together with a metallic binder. The sintered cemented carbide particles comprise at least a bimodal size distribution in which the first mode comprising spherical sintered cemented carbide particles having a D50 of 15 μm to 45 μm and the second mode comprises non-spherical cemented carbide particles having a D50 of 5 μm to 15 μm. The metallic binder may be present in an amount of from 9 to 11 weight percent based on total weight of the sintered cemented carbide particles. Sintered cemented carbide bodies additively manufactured from the sintered cemented carbide powder compositions are disclosed. Methods of making the sintered cemented carbide powder compositions and methods of making the sintered cemented carbide bodies are also disclosed.
B28B 1/00 - Producing shaped articles from the material
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C04B 35/626 - Preparing or treating the powders individually or as batches
C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
A multi-component electro-mechanical flame spray deposition system is disclosed having a first electro-mechanical feeder and a second electro-mechanical feeder, each in communication with a mixing hopper, and wherein the mixing hopper is in communication with a powder nozzle having an orifice, and a combustion torch having an orifice, wherein the orifice of the powder nozzle is in juxtaposition to the orifice of the combustion torch. A method of using the multi-component electro-mechanical flame spray deposition system is provided for depositing substrates on or to articles of manufacture.
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
55.
APPARATUS COMPRISING A ROTARY TOOL, AND METHOD FOR ATTACHING AND DETACHING A CUTTING INSERT ON SUCH AN APPARATUS
An apparatus is specified that comprises a rotary tool, wherein the rotary tool extends along a longitudinal axis and in an axial direction, wherein the rotary tool comprises a body, a cutting insert and a clamping rod, wherein the body has a shank on the rear-facing end, for clamping into a bracket, wherein the clamping rod extends through the body in the axial direction, wherein the clamping rod is adapted on the front-facing end to attach the cutting insert, wherein the clamping rod extends rearward towards the shank and can be actuated by means of a tool to attach the cutting insert to, or to detach the latter from, the body, wherein the clamping rod comprises an access hole arranged such that the clamping rod can be actuated while the rotary tool is clamped in the bracket. Further, a method for attaching or detaching a cutting insert on such an apparatus is specified.
In one aspect, cutting tools are provided comprising radiation ablation regions defining at least one of refractory surface microstructures and/or nanostructures. For example, a cutting tool described herein comprises at least one cutting edge formed by intersection of a flank face and a rake face, the flank face formed of a refractory material comprising radiation ablation regions defining at least one of surface microstructures and surface nanostructures, wherein surface pore structure of the refractory material is not occluded by the surface microstructures and surface nanostructures.
An assembly comprises: a chuck, which has a tool-receiving socket, a contact surface, and a screw thread; and a cutting tool, which has a tool shaft, a mating contact surface, and a mating screw thread. In a clamped state, the mating screw thread of the cutting tool is screwed into the screw thread of the chuck, the mating contact surface of the cutting tool is seated against the contact surface of the chuck, and the tool shaft is frictionally torque-transmittingly clamped in the tool-receiving socket. The invention also relates to a chuck of this type and to a cutting tool of this type.
In one aspect, grade powder compositions are described herein comprising electrochemically processed sintered carbide scrap. In some embodiments, a grade powder composition comprises a reclaimed powder component in an amount of at least 75 weight percent of the grade powder composition, wherein the reclaimed carbide component comprises electrochemically processed sintered carbide scrap.
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 9/00 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor
B22F 9/02 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
The invention relates to a modular tool comprising a body and an insert for machining a workpiece, wherein the insert comprises a tenon for insertion into a receptacle of the body, wherein the body comprises an access hole, through which the tenon is accessible for an assembly tool, wherein the tenon comprises a profile portion, which, upon insertion of the assembly tool into the access hole, engages with a lateral surface of the assembly tool so that, by a rotation of the assembly tool, the insert can be ejected from the receptacle. Furthermore, a method for ejecting an insert of such a modular tool is specified.
A honing brush is provided comprising a brush hub having a face wherein the face has at least one or a plurality of two or more outwardly projecting bristles having a length that is from about 15 millimeters to about 25 millimeters, a grit size of about or greater than 240 grit to about 800 grit, a diameter of from about 0.2 millimeter to about 0.8 millimeter, and wherein the plurality of bristles are arranged in either a non-tufted bristle arrangement or a tufted bristle arrangement, and wherein each of said bristles is made of a polymer material.
Armor plate having a thickness of at least 3 mm and an edge length of at least 20 mm, wherein the armor plate consists of a material made largely of a component selected from the group hard metal, cermet and/or combinations thereof. An armor plate composite comprising at least two layers of armor plates and an armor are provided as well.
F41H 5/04 - Plate construction composed of more than one layer
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
C22C 29/02 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides
A modified honing brush is provided comprising one or more bristles and one or a plurality of reusable stackable plates having one or more holes or voids located in the plates, or one or more support guides, and wherein each of the bristles is independently fitted through one or more of the holes or voids of the plates or surrounded by one or more support guides.
A modular drill is disclosed. The modular drill includes a tool shank extending from a shank top end to a shank bottom end along a rotational axis and includes a cam slot extending at least partially through a width of the tool shank. The modular drill also includes a cutting head centered on the rotational axis including a cutting head top surface, a cutting head bottom surface, a draw pin extending from the cutting head bottom surface along the rotational axis, and a draw pin groove around at least a partial length of a circumference of the draw pin comprising a cam follower surface. The modular drill includes a double sided cam received within the cam slot of the tool shank and includes at least one cam surface contacting the cam follower surface.
A modular drill is disclosed. The modular drill includes a tool shank extending along a rotational axis. The tool shank includes a shank top end and a shank bottom end along a rotational axis and includes a cam slot extending at least partially through a width of the tool shank. The modular drill includes a cutting head extending from a cutting head top surface to a cutting head bottom surface centered on the rotational axis. The cutting head includes a draw pin extending from the bottom surface of the cutting head along the rotational axis and a draw pin notch. The modular drill includes a clamping cam including a cam shaft contacting the draw pin notch.
The invention relates to a drill head comprising at least one surface, with a number of structural elements, wherein the structural elements are manufactured by an additive or primary forming manufacturing method. The invention further relates to a method for manufacturing such a drill head.
A tool retainer is provided. The tool has a retainer sleeve having a longitudinal external tab to engage with an internal recessed radial groove with a tool holder, and wherein the retainer sleeve has one or more internal radial tabs that engage with a recessed groove in a rotating tool shank. A cutting tool assembly including a cutting bit and the retainer sleeve is provided.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable software for optimizing the operation and performance of metalworking machine tools Software as a service (SAAS) services featuring software for optimizing the operation and performance of metalworking machine tools
The invention relates to a method for producing a coated body, with a substrate and a coating arranged on the substrate, which coating comprises at least one base layer applied to the substrate and at least one metal carbide-containing layer arranged over the base layer, which layers are applied by means of magnetron sputtering. Furthermore, the invention relates to a coated body produced according to the method.
C23C 28/04 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of inorganic non-metallic material
B23B 27/14 - Cutting tools of which the bits or tips are of special material
C23C 14/06 - Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
C23C 14/35 - Sputtering by application of a magnetic field, e.g. magnetron sputtering
The invention relates to a reamer for machining through-holes, having a base body comprising a clamping region as well as a front-facing machining region with cutting elements, wherein the machining region comprises front-facing chip chambers and regions that are relief-ground on a circular cylindrical lateral surface defining the maximum radial dimension of the reamer in the machining region, which relief-ground regions are spaced apart from the perforated wall in a circular cylindrical through-hole, wherein the chip chambers and adjacent relief-ground regions are separated from one another by lateral surface portions.
The invention relates to a coolant turbine for a rotary cutting tool, a rotary cutting tool, a coolant turbine module, and a method for operating a rotary cutting tool. The coolant turbine comprises an annular turbine base body having a first front face, an opposite second front face, and a plurality of coolant passages, which are arranged so as to be distributed around a central axis of the turbine base body, said passages having a coolant inlet and a coolant outlet, each of which extends through the turbine base body at least in portions in such a way that the turbine base body can be set into rotation by a flow of coolant.
Metal matrix composite particle mixtures are disclosed comprising (a) primary tungsten metal particles; (b) metal carbide particles; (c) substantially spherical fused carbide particles; and (d) a binder. The present invention also provides a metal matrix composite comprising metal matrix composite particle mixtures disclosed herein and binders.
E21B 10/46 - Drill bits characterised by wear resisting parts, e.g. diamond inserts
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
A system and method for monitoring and predicting wear of a cutting tool used for machining a workpiece is disclosed. The system includes a cutting tool having a shank and a cutting head. The system also includes a split, modular and wireless wear detection system including one or more sensors mounted to the cutting tool for providing a data signal representative of a physical condition of the system, and a data recording and data transmitting device for recording the data signal from the one or more sensors and for generating and transmitting a data signal to a processor. The processor applies a machine learning data processing technique in real time to monitor and/or predict a condition of various components and/or parameters of the system during a metal cutting operation.
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
Metal matrix composite particle mixtures are disclosed comprising (a) primary tungsten metal particles; (b) metal carbide particles; (c) substantially spherical fused carbide particles; and (d) a binder. The present invention also provides a metal matrix composite comprising metal matrix composite particle mixtures disclosed herein and binders.
C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
C22C 27/04 - Alloys based on tungsten or molybdenum
Cutting tool for the rotary machining of workpieces, in particular a twist drill, with a cutting tip which has at least one main cutting edge and at least one free surface, wherein a flank face adjoins the main cutting edge radially to the outside, and wherein a flank angle of the flank face increases in a radially outward direction.
A valve seat installation tool is disclosed. The valve seat installation tool includes a force conversion shaft extending from a shaft front surface to a shaft rear surface along a central axis, a torque nut secured to the force conversion shaft adjacent to the shaft front surface, a head adjacent to the shaft rear surface and a pump adapter secured to the force conversion shaft between the torque nut and the head.
F16K 7/16 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
A valve seat installation tool is disclosed. The valve seat installation tool includes a force conversion shaft extending from a shaft front surface to a shaft rear surface along a central axis, a torque nut secured to the force conversion shaft adjacent to the shaft front surface, a head adjacent to the shaft rear surface and a pump adapter secured to the force conversion shaft between the torque nut and the head.
B25B 27/24 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
A cutter tooth assembly includes a cutter tooth having a shank portion and a cutting portion, and a cutter tooth holder having a pocket for receiving at least a portion of the shank portion of the cutter tooth. The shank portion of the cutter tooth has a plurality of tapered surfaces formed at a first angle with respect to a vertical axis of the cutter tooth, and the pocket of the cutter tooth holder has a plurality of tapered surfaces formed at a second angle with respect to a vertical axis of the cutter tooth holder that cooperate with the plurality of tapered surfaces of the shank portion of the cutter tooth to minimize tolerances between the shank portion of the cutter tooth and the pocket of the cutter tooth holder during wear of the cutter tooth assembly.
A rotary cutting tool with enhanced bump-off capability is disclosed. The cutting tool includes a tool shank having a pocket. A replaceable cutting head is at least partially disposed within the pocket of the tool shank with an interference fit. A coupling pin assembly is at least partially received within a bore of the tool shank. The coupling pin assembly comprises a sleeve member and a coupling pin at least partially disposed within the sleeve member. The sleeve member includes an upper portion and a lower portion having a non-circular cross-sectional shape with a bump-off surface. An actuation screw contacts the coupling pin assembly and causes the replaceable cutting head to move relative to the tool shank. The bump-off surface of the lower portion of the sleeve member extends radially outward with respect to the coupling pin by a distance, D, thereby providing enhanced bump-off capability.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Providing a secure, web-based service featuring technology that assists individuals to configure, create, select and buy metal cutting tools and optimize metal cutting tool performance
A cutter tooth assembly includes a cutter tooth having a shank portion and a cutting portion, and a cutter tooth holder having a pocket for receiving at least a portion of the shank portion of the cutter tooth. The shank portion of the cutter tooth has a plurality of tapered surfaces formed at a first angle with respect to a vertical axis of the cutter tooth, and the pocket of the cutter tooth holder has a plurality of tapered surfaces formed at a second angle with respect to a vertical axis of the cutter tooth holder that cooperate with the plurality of tapered surfaces of the shank portion of the cutter tooth to minimize tolerances between the shank portion of the cutter tooth and the pocket of the cutter tooth holder during wear of the cutter tooth assembly.
Sintered cemented carbides are described herein exhibiting enhanced high temperature properties without dramatic losses in bending strength. In some embodiments, a sintered cemented carbide composition comprises tungsten carbide, a metallic binder phase comprising at least one metal of the iron group, and at least one solid solution carbide phase comprising tantalum (Ta) and molybdenum (Mo), wherein a value of (Mo/Ta) in the sintered cemented carbide composition is from 0.3-100, and the sintered cemented carbide composition has a transverse rupture strength of at least 4000 MPa.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
A bushing puller assembly may include a bolt and a nut. The bolt may include a threaded shaft having first and second ends, a ball bearing disposed at the first end, and a head disposed at the second end. The nut may be threadedly attached to the first end of the threaded shaft.
B25B 27/06 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
94.
Rotary Tool and Method for Manufacturing Such a Rotary Tool
The invention relates to a rotary tool (2), comprising: a main blade (4), a chip flute (6), a lateral surface (8), and a flank (10) trailing after the main blade (4), wherein the flank (10) first drops off proceeding from the main blade (4) and then rises again, such that a sink (12) is formed, to which a ridge (14) adjoins, which reaches up to the lateral surface (8) and the chip flute (6). The invention further relates to a method for manufacturing a rotary tool (2).
A tool retainer is provided. The tool has a retainer sleeve having a longitudinal external tab to engage with an internal recessed radial groove with a tool holder, and wherein the retainer sleeve has one or more internal radial tabs that engage with a recessed groove in a rotating tool shank. A cutting tool assembly including a cutting bit and the retainer sleeve is provided.
A tool retainer is provided. The tool has a retainer sleeve having a longitudinal external tab to engage with an internal recessed radial groove with a tool holder, and wherein the retainer sleeve has one or more internal radial tabs that engage with a recessed groove in a rotating tool shank. A cutting tool assembly including a cutting bit and the retainer sleeve is provided.
A cutting tool includes a base body and a cutting head at least partially disposed within a modular pocket of the base body. The modular pocket is formed by at least one wall section removably attached to the base body. In one variation, a non-removable portion of the base body also forms part of the modular pocket. In another variation, the modular pocket is formed by two removable wall sections on opposite sides of the modular pocket. In yet another variation, the removable wall sections include a clamping portion to exert a downward force on the cutting head to enable mounting the cutting head in the modular pocket using an interference fit.
Expansion sleeves are disclosed comprising a body and a flange. The body may be generally cylindrical and includes an inner wall, an outer wall integrally formed with the inner wall, and a pressurized fluid chamber located radially between and encapsulated in the inner wall and the outer wall. The front flange extends radially outward from the outer wall of the body. The front flange may comprise a tool support connection structured and arranged to fasten the front flange to a tool support member. The tool support member may include a pressurized fluid system that communicates with the pressurized fluid chamber of the expansion sleeve. The expansion sleeves may be secured to the tool support member by mechanical fasteners, threading, or combinations thereof. During operation, pressurized fluid in the tool support member communicates with the pressurized fluid chamber of the expansion sleeve to clamp a tool shank.
A modular cutting tool includes a base body, an intermediate body removably attached to the base body, and a cutting head at least partially disposed within a pocket of the intermediate body. A tooling tree allows a user to select a different combination of the base body, the intermediate body and the cutting head of the cutting tool based on desired physical properties of each component.
The invention relates to an expansion clamping sleeve (6) comprising a sleeve body (30) having a tool receptacle (24) for a chipping tool, wherein the sleeve body (30) is expanded in a longitudinal direction (10) as well as in a radial direction (20) transverse to the longitudinal direction (10), wherein the sleeve body (30) comprises a pressure membrane (44) delimiting a hydraulic chamber (40) in the sleeve body (30), and wherein the sleeve body (30) comprises a receptacle (46) for a mechanical actuator (48) for activating the pressure membrane (44). In addition, the invention relates to a hydraulic expansion clamping chuck (2) having such an expansion clamping sleeve (6).
