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Patent Searching and Data


Matches 1 - 50 out of 6,811

Document Document Title
WO/2018/234062A1
The invention relates to a moving system (100) for transposing workpieces that are provided for gear cutting on a workpiece spindle (200) and have a workpiece axis of rotation, from a first position (A), taken up while they are being fed...  
WO/2018/233938A1
The invention relates to a method for producing a gear, wherein at least a flank of the gear is machined with the removal of chips by means of a tool (103). The gear and the tool (103) are excited to carry out a mechanical oscillation re...  
WO/2018/224227A1
The invention relates to a gear (101) having a first group (103) of at least two teeth (107, 113) adjoining one another and a second group (105) of at least two teeth (109, 115) adjoining one another. The load-bearing flanks of the teeth...  
WO/2018/220910A1
A surface-coated cubic boron nitride sintered body comprises a substrate, which is a cubic boron nitride sintered body, and a coating film that comes into contact with and covers the substrate. At the interface between the cubic boron ni...  
WO/2018/216256A1
A coating is formed on a base material and comprises at least one layer. Of said layers, at least one layer is a TiCN layer that is made of titanium carbonitride. Granular structures of the titanium carbonitride occupy at least 75 area% ...  
WO/2018/210607A1
The invention relates to a machine for the precision machining of toothed workpieces, which machine comprises a tool spindle (30) for mounting a precision machining tool (31). The tool spindle can be driven to rotate about a tool spindle...  
WO/2018/193919A1
This rack shaft (50) is provided with: a hollow shaft body (51); and first and second rack teeth (52, 53) respectively meshing with first and second pinion gears (16, 25). The shaft body (51) has a second compressed section (55) which is...  
WO/2018/187820A1
A method of machining a tooth flank of a gear with a gear machining tool. The method comprises rotating the tool and bringing the tool and the tooth flank into contact. Relative movements are provided between the tool and the gear to tra...  
WO/2018/180117A1
An aspect of a broaching tool of the present invention is provided with a plurality of processing blade parts aligned along a central axis extending in the vertical direction. Each of the processing blade parts has a plurality of teeth s...  
WO/2018/180157A1
An aspect of this broaching tool is provided with a plurality of processing blade parts aligned along a central axis extending in the vertical direction. Each of the processing blade parts has a plurality of teeth sections protruding out...  
WO/2018/180156A1
An aspect of this broaching tool is provided with: a plurality of processing blade parts aligned along a central axis extending in the vertical direction; and a plurality of rake parts which are disposed between and connect the processin...  
WO/2018/177563A1
The invention relates to a process for machining a gear workpiece (100) comprising a plurality of tooth spaces (6), each of which is defined by two tooth flanks (5.1, 5.2); in said process, a gear tooth-forming tool (1) is used in order ...  
WO/2018/180119A1
An aspect of this broaching tool is provided with a plurality of processing blade parts aligned along a central axis extending in the vertical direction. Each of the processing blade parts has a plurality of teeth sections protruding out...  
WO/2018/180118A1
An aspect of this broaching tool is provided with: a plurality of processing blade parts aligned along a central axis extending in the vertical direction; and a shaft disposed along the central axis. Each of the processing blade parts ha...  
WO/2018/172516A1
A method for machining a toothed workpiece (1), wherein the method comprises a step 1) of producing a chamfer on the toothed workpiece (1) by skiving, wherein a tool (2) rotating about a tool axis (WZA) slides with a toothed first machin...  
WO/2018/162484A1
The invention relates to a tool (1) for dressing or cutting teeth of fine machining tools, which tool makes it possible to exactly reproduce, in a simple manner, the required tooth geometry on the fine machining tool which is to be dress...  
WO/2018/162642A1
The invention relates to a method for producing toothed racks (51, 61) which extend in the direction of a longitudinal axis (L) and comprise, in a toothing plane parallel to the longitudinal axis (L), a toothing (9) having teeth (92) ext...  
WO/2018/162663A1
The invention provides a tool (2), a method and a machine which enable ridge-like sharpened points (28) to be created on teeth (21, 24) of a toothed wheel (26) having inner and outer teeth with shorter changeover times in a tool clamp. T...  
WO/2018/158976A1
This surface-coated cutting tool includes a base material and a coating formed on the surface thereof, wherein: the coating includes one or more layers; at least one of the layers is an Al-rich layer that contains hard particles; the har...  
WO/2018/158975A1
This surface-coated cutting tool includes a base material and a coating formed on the surface thereof, wherein: the coating includes one or more layers; at least one of the layers is an Al-rich layer that contains hard particles; the har...  
WO/2018/158974A1
This surface-coated cutting tool includes a base material and a coating formed on the surface thereof, wherein: the coating includes one or more layers; at least one of the layers is an Al-rich layer that contains hard particles; the har...  
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/2018/105403A9
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/2018/100849A9
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/2018/092369A9
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/2018/086441A1
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...  

Matches 1 - 50 out of 6,811