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WO/2020/173843A1 |
The invention relates to a method for grinding or polishing a gearwheel (1, 2) in a grinding or polishing machine (3), wherein the machine (3) has two workpiece spindles (4, 5) for receiving a workpiece (1, 2) and at least one grinding o...
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WO/2020/170562A1 |
The purpose of the present invention is to provide a skiving cutter capable of having a longer life. A skiving cutter 10 is provided with a plurality of cutting blades 20 that cut a workpiece 9 by being rotated around an axis. Each cutti...
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WO/2020/158194A1 |
Provided is a skiving cutter that is conducive to easily identifying and properly assembling a plurality of cutter components. A skiving cutter 10 that is segmented into a plurality of cutter components 101–103 that each comprise a b...
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WO/2020/151683A1 |
Provided is an involute cylindrical gear envelope milling method taking the precise characteristics of a tooth surface into consideration. The method comprises the following steps: S01, choosing a milling tool, and determining the diamet...
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WO/2020/143071A1 |
A workpiece feeding device for automobile steering, comprising a base (1), a support rod (2), a driving motor (16), an active disc (15), an adjusting disc (11), a fixed disc (17), and a limiting assembly. One end of the support rod (2) i...
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WO/2020/141110A1 |
The invention relates to an internal helical broaching tool (1), which has a pre-broaching tool portion (4) extending in one broaching direction (2) and a subsequent calibration tool portion (5). The latter, as a whole, is made of hard m...
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WO/2020/123683A1 |
A heat sink includes a baseplate of thermally-conductive material and a radiator for transferring heat to atmosphere around the radiator. The baseplate is configured to be in thermal communication with a heat source, such as an integrate...
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WO/2020/119851A1 |
The invention relates to a tool (1) for performing a deburring process in which a primary burr (12) on a toothing (10) of a component (100) is removed after gear milling, said tool comprising a drive shaft (2) and at least one chamfer cu...
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WO/2020/110084A1 |
Method and machine for the lead crowning (cβ) of the flanks (5A: 5B) of a gear (1) having a rotation axis (Z1); the lead crowning (cβ) being realized by means of a generating cutting tool (2) having a rotation axis (Y2); the method com...
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WO/2020/095782A1 |
Provided is a propeller shaft wherein: a crowning section of a male spline part is disposed, in the axial direction, in a prescribed range that contains a front end part; and a tooth crest surface has a shape such that the tooth thicknes...
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WO/2020/078066A1 |
A gear axial surface polishing apparatus having high polishing efficiency, comprising a gear transport mechanism (1). The gear transport mechanism (1) is disposed in front of a polishing mechanism (2) and gear fixing mechanisms (3). One ...
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WO/2020/057777A1 |
The invention relates to a method and a device for producing a toothing of a toothed wheel (1) with a tool (2), more particularly a milling cutter, wherein the tool can be rotated about a first axis of rotation and the toothed wheel can ...
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WO/2020/054497A1 |
According to the present invention, in a flexible external gear, a connection part between a body part and a bottom part is formed in an arc shape, and when the arc shape of the outer peripheral surface of the connection part is a first ...
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WO/2020/051266A1 |
A method wherein a first workpiece (2, 40) is loaded to a spindle (30) of a workpiece processing machine with the first toothed workpiece having a predetermined design and being in a predetermined rotational load position. The first toot...
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WO/2020/041066A1 |
A multi-component gear cutting tool (2) that is rotatable about an axis of rotation (A). The gear cutting tool comprises a tool body (4) extending axially lengthwise between a first end (8) and a second end (10) with the tool body compri...
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WO/2020/031377A1 |
A gear (G) phase detection method determines a first determination result, which indicates whether or not the gear (G) has been detected at a first detection position (dp1) that has a first angle (P1) in the circumferential direction of ...
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WO/2020/011842A1 |
A method is used for producing an external drive of a connecting element, particularly a drive of a nozzle clamping nut for an injector, from a workpiece using at least one tool. Concavely curved surfaces (111) are configured as profile ...
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WO/2020/011303A1 |
A dressing roll (1) for dressing an abrasive wheel has a surface (2) which has a profile in the form of a thread (3, 4) and the geometry of which changes along the central axis of the dressing roll (1).
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WO/2019/235239A1 |
An rack bar includes a shaft member having a plurality of rack teeth arranged side by side in an axial direction of the shaft member. In a preliminary form before quenching, the pitch surface of the plurality of rack teeth is twisted aro...
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WO/2019/228945A1 |
The invention relates to a skiving tool (10) having a shaft (12), which extends along a longitudinal axis (14) of the tool (10), and a cutting head (16), which is arranged on a face end of the shaft (12), wherein: the cutting head (16) h...
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WO/2019/223335A1 |
Provided is a gear machining equipment. A core shaft (4) is rotationally connected with a workbench (2) through a bearing. The gear (3) is detachably and fixedly sleeved on the core shaft (4). A rotating motor (12) is connected with the ...
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WO/2019/226503A1 |
A toothed workpiece chamfering device having a chamfering head (2) which includes a first axis of rotation (B) for rotation of a first chamfering tool (6) and a second axis of rotation (T) for rotation of a second chamfering tool (8) whe...
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WO/2019/213872A1 |
An opposite grinding apparatus and opposite grinding method for improving machining precision of gears. The opposite grinding apparatus comprises a driving friction wheel (1), a driving belt pulley (2), a transmission belt A (3), a conne...
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WO/2019/207077A1 |
The invention relates to a method for machining toothings provided on workpieces, in which a number of workpieces are fed to at least one machining station with at least two machining operations and/or to at least two machining stations ...
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WO/2019/195234A1 |
A method wherein by reducing the amount of current, and therefore torque, to the linear servo motor (50) and/or rotary servo motor (52) of a loader mechanism (9), the loader mechanism is operable for determining proper workpiece position...
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WO/2019/190972A1 |
A worm comprises enveloping worm teeth having relieved ends. The worm is machined in three steps comprising machining a threaded section, machining a first end section, and machining a second end section. The threaded section is machined...
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WO/2019/181136A1 |
A surface coated cutting tool including a substrate and a coating that coats the substrate, wherein the coating contains a hard coating layer comprising a domain region and a matrix region. The domain region is a region that exists in a ...
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WO/2019/181134A1 |
Provided is a surface-coated cutting tool including a base material and a coating that covers the base material, wherein: the coating contains a hard coating layer comprising domain regions and a matrix region; the domain regions are reg...
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WO/2019/181133A1 |
Provided is a surface-coated cutting tool including a base material and a coating that covers the base material, wherein: the coating contains a hard coating layer comprising domain regions and a matrix region; the domain regions are reg...
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WO/2019/181135A1 |
Provided is a surface-coated cutting tool including a base material and a coating that covers the base material, wherein: the coating contains a hard coating layer comprising domain regions and a matrix region; the domain regions are reg...
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WO/2019/175495A1 |
The invention concerns a method for machining a toothing (1) with variable pitch (PI) on a rack (2), said method being characterised in that it is implemented by a machine tool which is provided with a rotary cutting tool (3) other than ...
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WO/2019/171653A1 |
This surface-coated cutting tool comprises a substrate and a coating layer which coats the substrate, the coating layer comprising alternating layers obtained by alternately laminating first unit layers and second unit layers upon one an...
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WO/2019/171648A1 |
This surface-coated cutting tool contains a substrate and a coating layer which covers the substrate, the coating layer containing first unit layers and second unit layers alternately laminated upon one another. The first unit layers com...
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WO/2019/170403A1 |
The invention relates to a contact rolling tester (100) for a dual-flank roll test of a toothing (2) which is supported by a free-running shaft (1) and has an axis of rotation, with a holder (13, 14) for holding the shaft during the roll...
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WO/2019/161822A1 |
The invention relates to a method and a device for chamfering and deburring gears (1) from the front, comprising a chamfering tool (2) having at least one tool blade (3), designed as a cutting plate, with at least one cutting edge (4), w...
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WO/2019/161942A1 |
The invention relates to a chamfering tool (4) for chamfering workpiece toothings (22), comprising a helical toothing, which has, for each spiral, a plurality of teeth (5) having a geometrically defined cutting edge and which has a tooth...
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WO/2019/161823A1 |
The invention relates to a method and a device for chamfering and deburring gears (1) from the front, comprising a chamfering tool (2) having at least one tool blade (3), which is designed as a cutting plate, with at least one cutting ed...
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WO/2019/165270A1 |
The present disclosure includes a part hold-down assembly for retaining an oversized part. The part hold-down assembly is aligned along a central force axis and applies a downward force onto the part. The part-hold down assembly includes...
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WO/2019/158994A1 |
A method of preparing a machining process of a toothed workpiece (1) rotatably drivable around its rotation axis (C10), the machining process to be executed by a tool (11) rotatably drivable around its rotation axis (B10), wherein, for e...
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WO/2019/120831A1 |
The invention relates to a method for machining toothings, which method uses a disc-shaped, toothed tool that is rotationally driven about its axis of rotation and has a geometrically defined cutting edge. The tool teeth are produced fro...
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WO/2019/110519A1 |
The invention relates to a method for producing a gear wheel (10) having at least one row of teeth (28), having a plurality of teeth (14), which is arranged in a first region (I) of the gear wheel (10) and adjoins a second region (II) of...
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WO/2019/096542A1 |
The invention relates to a method for cutting a gear (2) in a workpiece held in a setup, in which a gear-cutting tool (1) that rotates about its axis of rotation and has cutting edges (5) is brought into in particular rolling subtractive...
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WO/2019/087481A1 |
Provided is a sintered body including 3 to 80 volume% of cubic boron nitride particles and a binding material, wherein the binding material contains: at least one selected from the group consisting of at least one compound and solid solu...
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WO/2019/082943A1 |
A wheel bearing device 1 comprising: an outer member 2 on the inner periphery of which an outer-side rolling surface 2c/2d is formed; an inner member 3 on the outer periphery of which an inner-side rolling surface 3c/3d is formed; and a ...
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WO/2019/065397A1 |
The coated cutting tool according to the present invention comprises a hard nitride coating that contains Ti at 70 atomic% to 95 atomic% and Si at 5 atomic% to 30 atomic% with respect to the total metallic element content, and Ar at 0.05...
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WO/2019/048348A1 |
The invention relates to a device for machining workpieces, in particular for hob peeling, comprising an output unit (12), a drive unit (14) and a transmission device (30), which is arranged between the units and which provides an output...
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WO/2019/035219A1 |
This coated cutting tool is a coated cutting tool having a hard coating film on a surface of a tool, wherein: the hard coating film is a nitride; the hard coating film includes from 80 at.% to 90 at.% of aluminum (Al) and from 10 at.% to...
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WO/2019/035220A1 |
A hard coating film of this coated cutting tool comprises: from 70 at.% to 80 at.% of Al and from 20 at.% to 30 at.% of Ti with respect to the total amount of metal elements (including semimetal elements); and at most 0.50 at.% of Ar wit...
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WO/2019/035397A1 |
This vanadium silicon carbonitride film comprises vanadium, silicon, carbon, and nitrogen. When vanadium element concentration (vanadium element concentration + silicon element concentration + carbon element concentration + nitrogen elem...
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WO/2019/025240A1 |
A hobbing machine (1), comprising - a workpiece spindle (3), by means of which a workpiece (21) can be rotated about a workpiece axis (WSA), - a hobbing head (16), - at least one chamfering device (17, 18), - a first slide (11) having a ...
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