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Patent Searching and Data


Matches 1 - 50 out of 6,751

Document Document Title
WO/2018/137800A1
The present specification relates to a method for machining of ball tracks of an inner race of a constant velocity joint comprising the steps of providing a power skiving tool (1) having a plurality of cutting members and a first axis of...  
WO/2018/130495A1
The invention relates to a method which is carried out in a grinding machine (100) comprising the following: - a tool spindle (11) for receiving a cup grinding wheel (10), which is provided with an abrasive surface, and for rotating the ...  
WO/2018/130260A1
The invention relates to a method and a machine tool for hard finishing toothed gearing, particularly internally toothed portions (3), in which method a toothed hard finishing tool (W) which rotates about its axis of rotation is brought ...  
WO/2018/124893A1
A block assembly for locking a toothed gear housed in a frame includes a body shaped to couple to a portion of the frame adjacent to the gear for translation in a first direction parallel to an axis of the gear, and a locking block coupl...  
WO/2018/105403A1
A surface coated cutting tool comprises a base material made of a cemented carbide and a coating. The coating includes an intermediate layer in contact with the base material, and an upper layer formed on the intermediate layer. The uppe...  
WO/2018/105035A1
Multiple grooves, which are closed on a first end side and are open on a second end side, are provided on the outer circumferential surface of the body of an insert holder, and said body is also provided with a first protrusion that is a...  
WO/2018/100849A9
A surface-coated cutting tool which is provided with a base material and a coating film that covers the surface of the base material. The coating film comprises a super-multilayer structure layer in which layers A and layers B having a c...  
WO/2018/100849A1
A surface-coated cutting tool which is provided with a base material and a coating film that covers the surface of the base material. The coating film comprises a super-multilayer structure layer in which layers A and layers B having a c...  
WO/2018/092369A1
This sintered body contains cubic boron nitride particles and a binder. The particle size D50 of the cubic boron nitride particles, at which the cumulative value is 50% in an area-based particle size distribution, is more than 0.5 μm bu...  
WO/2018/093755A1
A cutter head (30) having stick blades (82) with a circular (62) or partially circular (72, 92, 102, 112, 122) cross-section wherein the circular part of the cross-section is dominating. The cutter head preferably includes cutter head sl...  
WO/2018/086441A1
Disclosed is a tool for machining a modified gear of an ROV thruster, comprising a tool head and a hob provided on the tool head. The hob comprises a plurality of continuously and linearly arranged hob teeth. The height of any of the hob...  
WO/2018/079650A1
The main spindle unit (30) has a main spindle (31), a front bearing (41), a rear bearing (43), a front case (61) for covering the front bearing (41), and a rear case (71) for covering the rear bearing (43). The front case (61) has a fron...  
WO/2018/078964A1
A skiving cutter (100) comprises cutting parts (120) in which the tooth traces (L) extend in directions that are inclined with respect to the axial line (Ac) of a base (110). The cutting parts (120) are divided into multiple segment cutt...  
WO/2018/072221A1
A gear grinding machine capable of controlling sizes of ground teeth of processed gears, comprising a base (1), a hydraulic cylinder (9) being provided at one end of the upper surface of the base (1), a hydraulic telescopic rod (10) bein...  
WO/2018/073047A1
A tool for hob peeling pre-toothed, rotating workpieces comprises a gear-shaped main body and tooth-shaped cutting inserts (1.2), which are arranged on the front side of the main body in the region of the tip circle. Each cutting insert ...  
WO/2018/070195A1
A surface-coated cutting tool which comprises: a substrate that has a rake face and a clearance; and a coating film that covers the surface of the substrate. The substrate is a cBN sintered body or a ceramic sintered body; the coating fi...  
WO/2018/070403A1
A gear machining apparatus 1 forms a gear in a workpiece W by moving a tooth cutting tool 42 relative to the workpiece W in the direction of the rotational axis of the workpiece W while synchronously rotating the tooth cutting tool 42 an...  
WO/2018/066319A9
This method for producing a diamond polycrystal comprises: a first step for subjecting a high-pressure-phase carbon powder to a heat treatment at 1300°C or higher to thereby obtain a heat-treated carbon powder; and a second step for sin...  
WO/2018/066319A1
This method for producing a diamond polycrystal comprises: a first step for subjecting a high-pressure-phase carbon powder to a heat treatment at 1300°C or higher to thereby obtain a heat-treated carbon powder; and a second step for sin...  
WO/2018/055484A1
Invention relates to a method of producing a crown wheel with near-net shaped as-forged teeth having continuous grain flow lines and having minimal machining allowance. The method of invention comprises the steps of making ring using ham...  
WO/2018/051939A1
Provided is a surface-coated cutting tool exhibiting excellent chipping resistance and wear resistance in intermittent cutting. A surface-coated cutting tool in which a hard coating layer including a TiAlN layer is provided on the surfac...  
WO/2018/047735A1
Disclosed is a cutting tool comprising a base material and a film provided on the base material, wherein: the base material is a cBN sintered compact including greater than or equal to 80 vol% to less than 100 vol% of cBN, and a binding ...  
WO/2018/047733A1
Disclosed is a cutting tool comprising a base material and a film provided on the base material, wherein: the base material is a cBN sintered compact including greater than or equal to 30 vol% to less than 80 vol% of cBN, and a binding m...  
WO/2018/047734A1
Disclosed is a cutting tool comprising a base material and a film provided on the base material, wherein: the base material is a cBN sintered compact formed from cBN particles; the film includes a compound layer having the composition Ti...  
WO/2018/037625A1
This surface coating cutting tool comprises a base material and a coating film formed on the base material. The coating film includes an α-Al2O3 layer. The α-Al2O3 layer contains multiple α-Al2O3 crystal grains and chlorine, and the T...  
WO/2018/035922A1
An automobile gear polishing machine having a fine adjustment function comprises a cylindrical housing (1). A first annular recess (2) is arranged at a central portion of an inner wall of the cylindrical housing (1). A first gear (3) eng...  
WO/2018/037624A1
This surface coated cutting tool has a rake face and a flank face, is provided with a substrate and a coating formed on said substrate, the substrate includes a cutting blade that connects the rake face and the flank face, and has an oxy...  
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...  
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...  
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 ...  
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....  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2017/203738A1
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...  
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...  
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...  
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...  
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...  
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 ...  
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.  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 6,751