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Matches 1 - 50 out of 6,681

Document Document Title
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/2018/066319A1
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
WO/2017/116127A3
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...  
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...  
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, ...  

Matches 1 - 50 out of 6,681