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WO/2018/037648A1 |
In a surface coated cutting tool provided with a substrate and a coating formed on the substrate, the substrate is a cemented carbide or cermet, and the surface of the substrate includes a rake face, a flank face, and a cutting edge whic...
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WO/2018/037647A1 |
In a cutting tool provided with a substrate, the substrate is a cemented carbide or cermet, the surface of the substrate includes a rake face, a flank face, and a cutting edge which connects the rake face and the flank face, and in the s...
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WO/2018/039118A1 |
Cutting blade pressure angle changes or corrections in power skiving cutters (20) can be realized without the need for a tool geometry change. An axial shift (26) of the blade reference point (24) will shift the existing involute on the ...
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WO/2017/203738A9 |
This sintered body comprises a first material and a second material, wherein the first material is partially-stabilized ZrO2 in which 5-90 vol% of Al2O3 with respect to all the first material is dispersed at crystal grain boundaries or i...
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WO/2018/029723A1 |
A gear machining method comprises a finishing step that divides the tooth surfaces (82) of a combined use gear into multiple portions in the face width direction and finishes each of the divided portions separately with a shaving cutter....
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WO/2018/024356A1 |
The invention relates to a method for machining an internally toothed workpiece, wherein the workpiece is clamped into a toothed honing machine, and wherein at least one tool that is at least partially made of a high-hardness cutting mat...
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WO/2018/024354A1 |
The present invention relates to a method for increasing the loadability of the gear wheel (11), in which at least one forming body (15, 17, 19) is guided along the gear wheel (11) and the at least one forming body (15, 17, 19) enters in...
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WO/2018/024355A1 |
The present invention relates to a method for creating a surface structure on a gear wheel in a honing process, in which at least one honing tool is moved along the gear wheel in a first direction using a first crossed axes angle, and in...
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WO/2018/010838A1 |
The invention relates to a wheel-shaped gear cutting tool, in particular a peeling wheel, for machining sets of teeth, in particular in the kinematics of the hob-peeling method, comprising cutting teeth, cutting edges being provided on t...
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WO/2018/001585A1 |
A hobbing tool (21) includes a hob body (23) including at least one axially extending slot (25), and at least one cassette (27) removably disposed in the at least one slot (25). The at least one cassette (27) includes at least one seatin...
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WO/2018/003721A1 |
A machining jig that holds a workpiece, which has projections protruding in the radial direction on the outer circumference of a cylindrical section and extending in a direction intersecting the circumferential direction, with respect to...
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WO/2017/217012A1 |
This surface-coated cutting tool is provided with a substrate and a coating which is disposed on the substrate, and which is formed so as to cover at least a portion of a flank face. The coating includes an inner layer and an outer layer...
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WO/2017/199752A1 |
Provided is a tool in which at least the cutting edge has a lower member comprising a cemented carbide, an upper member formed closer to the surface than the lower member and comprising a sintered body, and an intermediate layer formed b...
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WO/2017/201385A1 |
A method wherein a cutting or grinding chamfering tool (25) is guided along the face width of a gear (12, 23, 52) through one tooth slot (8) (e.g. from heel to toe) while it contacts the topland corners (10, 1 1 ) of the respective conca...
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WO/2017/195829A1 |
In this broach, a cutting edge section (4) in which multiple cutting edges (5) protrude and are disposed in the longitudinal direction of a shaft-shaped broach body (1) is provided on the outer circumference of the broach body (1). In sa...
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WO/2017/194251A1 |
The invention relates to a device for machining workpieces with precut teeth, having a workpiece support and at least one workpiece spindle arranged on the workpiece support for clamping a workpiece (8). A centering device (20.1) for the...
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WO/2017/174187A1 |
The invention relates to a method for producing a removal of material on a tooth end edge of a workpiece toothing (W) with a rotationally driven chamfering tool (6a, 6b) in a machining operation brought about by controlled axial machine ...
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WO/2017/176607A1 |
A workholding apparatus (2) having jaws (5) comprising interchangeable adapter blocks (12) that enable a single workholding apparatus (2) to accommodate workpieces (22) having a range of inner bore diameters.
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WO/2017/169303A1 |
Provided are a structure of a cutting edge of a machining tool, and a surface treatment method for the same, with which it is possible to improve the durability of a machining tool such as a cutting tool. In this surface treatment method...
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WO/2017/169498A1 |
The surface-coated cutting tool is equipped with a base material and a coating formed on a surface of the base material. The coating includes a first alternating layer and second alternating layer formed on the first alternating layer. T...
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WO/2017/163444A1 |
Provided is a cutter for skiving, wherein the tooth heights of cutting parts (A1-A3, B1-B3, C1-C3) aligned in the longitudinal direction (Dt) of tooth grooves are set so as to increase from the downstream side toward the upstream side in...
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WO/2017/154056A1 |
Provided is a gear grinding machine for grinding a gear by causing a gear that is to be ground and a grindstone to rotate in a meshed state, wherein the gear grinding machine makes it possible to suppress the generation of waviness durin...
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WO/2017/155096A1 |
A surface-coated cutting tool, wherein: a hard coating layer includes at least an (Al, Cr, Si, Cu) layer; the layer comprises a main phase, and CrSi-rich particles and Al-rich particles that are dispersed and distributed in the main phas...
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WO/2017/150550A1 |
According to the present invention, the surface of a tool base is provided with at least a (Al1-a-b-cCraSibCuc)N layer (wherein 0.15≤a≤0.40, 0.05≤b≤0.20, and 0.005≤c≤0.05). In the layer: the concentration of Cr or the concent...
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WO/2017/053542A9 |
A method of grinding 3-face ground cutting blades for producing gears by a face hobbing cutting process wherein the correct initial blade spacing angle φ is achieved while providing the desired values for the effective cutting edge hook...
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WO/2017/137258A1 |
The invention relates to a rolling device for rolling work pieces having a toothing, in particular gear wheels, comprising (g) a first shaping tool (14.1), (h) at least one second shaping tool (14.2) and at least one guide (16) designed ...
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WO/2017/136329A1 |
A gear cutting tool wherein each cutting blade group includes two differently positioned but identical cutting blades (41, 40) such as an one outside and one inside blade. The inventive blade arrangement only requires a single type of bl...
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WO/2017/134447A1 |
A method and apparatus (100) for running-in teeth of a gear wheel (10) are disclosed, the method comprises providing first (201) and second (202) driving gears in driving engagement with teeth of the gear wheel to drive the gear wheel in...
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WO/2017/136263A1 |
A herringbone gear includes a cylindrical body having a circumferential face having a width. A first helical gear tooth on the circumferential face has a first configuration, a second helical gear tooth on the circumferential face has a ...
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WO/2017/126145A1 |
The purpose of the present invention is to provide a hob capable of further increasing cutting speed while maintaining tool service life. A hob in which a cylindrical hob body (1a) with an axial hole (1aaa) through which coolant passes i...
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WO/2017/125553A1 |
The invention relates to a milling tool (10) which is suitable in particular for producing a cyclo-palloidal toothing. The milling tool (10) has a mounting (12) and multiple first cutting plates (14) which are secured to the mounting (12...
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WO/2017/116127A2 |
The present invention relates to a method for manufacturing a gear and a gear manufactured by the method, the method comprising the steps of: preparing a material; manufacturing a semi-finished gear having a plurality of gear teeth by cu...
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WO/2017/075555A9 |
A compressor design includes a male rotor (10) having one or more helical lobes (12) and a female rotor (14) having one or more helical grooves (16). The male rotor is mounted on a first shaft and the female rotor is mounted on a second ...
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WO/2017/102824A1 |
The invention relates to a method for producing a toothed workpiece wheel (7), the tooth root (11") of which adjoins an end face (12) of the workpiece wheel (7) with a chamfer (13) extending into the tooth flanks (11, 11") being formed, ...
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WO/2017/097531A1 |
The invention relates to a method for producing a gearwheel and to the use thereof, wherein the gearwheel has at least one tooth having at least one tooth flank, and wherein at least one part of the tooth flank is shot-peened (103). Afte...
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WO/2017/097796A1 |
The invention relates to a method for cutting teeth into working gears (1) using a tool (2), the tool main part (11) of which has a plurality of cutting teeth (3) which are arranged about a rotational axis (5) and which protrude radially...
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WO/2017/097416A1 |
The invention relates to a method for creating or machining gears on workpieces (W1, W2), in which a rolling first machining engagement between a machining tool (WF; WS) that is driven about its rotation axis (B) and a first workpiece th...
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WO/2017/084801A1 |
The invention relates to an apparatus (1) for hard-working teeth (12) of an elongate, rotationally non-symmetrical part (10), in particular a steering rack for a steering gear in a motor vehicle, said apparatus (1) comprising a pinion (1...
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WO/2017/076503A1 |
The invention relates to a method for creating or machining toothings on workpieces in rolling machining engagement, in particular by gear shaping, in which NC control of the rotary spindle drives of workpiece and tool comprises regulati...
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WO/2017/074761A1 |
A protective cover is disclosed for teeth of a gear body. The protective cover includes a desiccant disposed in a polymer enclosure. A method of protecting a gear is disclosed. The method involves generating a digital model of a protecti...
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WO/2017/064046A1 |
A rotating cutting tool to cut asymmetrical teeth in a gearwheel in which each tooth (21) has an active flank (A) with a convex profile meshing with the profile of a tooth of an opposing gearwheel meshing with the gearwheel and a seconda...
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WO/2017/063730A1 |
The invention relates to a method for machining a toothing (2) rotating about its toothing axis (C4), in which a secondary burr, occurring in an area close to the tooth front edge during chamfering of a tooth front edge of the toothing o...
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WO/2017/054096A1 |
The invention relates to a toothing processing machine comprising a machine frame and a spindle carrier having a first spindle. The spindle comprises a first spindle housing and a first spindle shaft, which is arranged in the first spind...
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WO/2017/056573A1 |
A gear-cutting machine for gear-cutting a workpiece (W), which is rotatable around a workpiece rotation axis, using a gear-shaped cutter (17), which is rotatable around a cutter rotation axis, by meshing the workpiece (W) with the gear-s...
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WO/2017/057026A1 |
Provided is a screw rotor machining method in which screw tooth grooves are formed by simultaneously controlling a plurality of rotation shafts that are for rotating a workpiece and turning a tool. The machining method includes: a step o...
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WO/2017/053227A1 |
A method and cutting tool for producing spiral toothed face couplings whereby a two-part cutter and a two-part machine tool spindle are not needed. The process includes a set-over between the cutting of convex (41) and concave (43) tooth...
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WO/2017/045661A1 |
The invention relates to a method for producing and deburring toothings on work pieces (6), comprising two workpiece spindles (3, 3'), comprising a hobbing tool (12) and comprising a deburring device (10), wherein the workpieces (6) are ...
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WO/2017/027594A1 |
An automotive driveline disconnect assembly includes a first clutch part and a second clutch part, and is designed and constructed to preclude an occupant-audible noise from being made between components of the disconnect assembly. The p...
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WO/2017/017720A1 |
A groove machining method for forming a groove with a specified width and depth in a workpiece using a rotating tool that is provided with a disc-shaped tool body and multiple cutting edges at equal intervals on the outer circumferential...
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WO/2017/013056A1 |
The invention relates to a method for honing a gear (R), wherein the gear (R) and a honing tool (0) mesh with each other and the axes of rotation (B, C) of the gear (R) and of the honing tool (0) intersect at an axis intersection angle (...
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