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Patent Searching and Data


Matches 1 - 50 out of 6,121

Document Document Title
WO/2019/012937A1
Disclosed are a thread cutting device (1) and a thread cutting method, characterized in that a turning step for cutting a rotating workpiece (W) to a predetermined cutting depth by relatively moving a tool (3) in an axial direction of th...  
WO/2018/235712A1
[Problem] To provide a tap which has improved extraction performance from a workpiece material after female thread processing even when the workpiece material is a low-ductile material represented by a titanium alloy or the like. [Soluti...  
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/2018/212107A1
Provided is a tool holder capable of absorbing stress applied to a tool with a simple structure. A stress absorbing mechanism (400) has: an elastic part (230) provided at a main body part (200); a collar (410) disposed on the outer perip...  
WO/2018/205891A1
Disclosed is a tapping shank mainly consisting of axial, radial and deflection comprehensive floating mechanisms and a high-sensitivity rolling clutch safety mechanism, having an actual safety guarantee in tapping an M1 thread, solving t...  
WO/2018/194662A1
The present invention provides certain additional improvements for such mechanical-type multi-axis machine tools. These improvements include: (1) permitting the spindles to be rotated about their respective axes relative to the member in...  
WO/2018/193515A1
The purpose of the present invention is to provide a thread forming tap capable of obtaining a female screw inner diameter dimension having target processing precision more easily than hitherto. A thread forming tap (1) for forming a fem...  
WO/2018/162697A1
The invention relates to a thread milling cutter (10) for producing a thread. The thread milling cutter has at least one portion (15, 16) with multiple teeth, and a spacing is arranged between each pair of adjacent teeth. The vast majori...  
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/2018/134924A1
Provided is a thread milling cutter with which tool service life can be extended. Multiple thread ridges protrude from the leading end of the circumference of a tool body (10) in directions normal to the axis to form thread milling edges...  
WO/2018/120273A1
A miniature tap, comprising a miniature tap blade member (2). The miniature tap is provided with one or more blade members (2), or one or more spiral blade members, or one or more tapered blade members in a connected or integrated manner...  
WO/2018/117668A1
A tool holder for a machine tool according to the present disclosure comprises: a body member having a hollow space formed along the longitudinal direction and a through hole formed on one side thereof; a grip member inserted into the ho...  
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/2018/105403A9
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/2018/096002A1
The invention relates in particular to a thread former (1) for a chipless production of a thread using a plurality of pressure studs (4) which are arranged along a shaping curve (9) at a specified respective pitch angle (T), each pitch a...  
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/2018/092021A3
A tapping machine (10), for tapping perforated products such as nuts (14), bushings or the like, comprises a spindle (11) on the longitudinal axis (12) of which a tapping tool (13) is rotatably mounted which tapping tool (13) is provided...  
WO/2018/092021A2
A tapping machine (10), for tapping perforated products such as nuts (14), bushings or the like, comprises a spindle (11) on the longitudinal axis (12) of which a tapping tool (13) is rotatably mounted which tapping tool (13) is provided...  
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/2018/074186A1
Provided is a raceway groove machining method in which machined-side raceway grooves for roll-contacting rolling elements are formed in the circumferential direction in a machined surface, which is the cylindrical circumferential surface...  
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/2018/066319A9
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/2018/067062A1
The invention concerns a method for the manufacture of a section of screw rod (1', 1") that extends along the z-axis (Z). The method comprises the steps: processing of a workpiece (23) to comprise at least one threaded groove (11); proce...  
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/2018/060112A1
A thread forming tool (10) for forming an internal thread in a workpiece, the thread forming tool comprising a shank (1) and a thread forming portion (2), which are rotatable around a common axis (50), said axis extending in a longitudin...  
WO/2018/047158A1
A cutting tool (20) includes a replaceable cutting insert (22) and a tool body (24). The tool body (24) includes a tool body surface (26) and an insert pocket (28) recessed therein. The cutting insert (22) is releasably retained in the i...  
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/2018/037624A1
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/2018/029780A1
Provided is a thread forming tap that can suppress female-screw processing defects. A partial thread (33) is provided, in the axis (O) direction view, with a protrusion (33a) formed so as to protrude in the radial direction and a clearan...  
WO/2018/028810A1
The invention relates to a tool for producing an internal thread (7) in a workpiece pilot hole (1) having a thread major diameter (dA) and a thread minor diameter (dK), which tool (9) has a thread-forming section (11), by means of which ...  
WO/2018/010831A8
The invention relates to a method for producing a threaded hole (1) in a workpiece (5) by means of a thread tapping tool (23), which has at the tapping tip (25) thereof a main cutting edge (27) and a thread profile (29), which lags in a ...  
WO/2018/010831A1
The invention relates to a method for producing a threaded hole (1) in a workpiece (5) by means of a thread tapping tool (23), which has at the tapping tip (25) thereof a main cutting edge (27) and a thread profile (29), which lags in a ...  
WO/2018/010830A1
The invention relates to a method for producing a threaded bore (1) in a workpiece (5) with a tapping tool (23) which has, at its drill tip (25), a main lip (27) and a thread profile (29), trailing in a tapping direction (I), with at lea...  
WO/2018/001633A1
A method of configuring a machine (201) for production of a thread, having a pitch (227), on a workpiece (310), the machine (201) comprising: a tool (220) having a thread (223) centred on a first axis (250) and comprising one or more thr...  
WO/2018/002165A1
The invention relates to a machining cutting tool (10) and a method for the production thereof, wherein a base body (12), preferably made of a tool steel, and which can be accommodated in a machine tool, is brought into a final shape via...  
WO/2018/000009A1
The invention relates to a drilling tool (3) and to a method for drilling a hole using the drilling tool (3). The drilling tool (3) comprises a tool body (7) having a receiving side (9) for receiving in a drive spindle (5) and a processi...  
WO/2017/222251A1
A machining center controlling method according to the present invention comprises the steps of: turning on a synchronization control (S310); and turning on a synchronization control of a position control unit (61) for a first spindle (4...  
WO/2017/216698A1
The present disclosure relates to the field of manufacturing technology. In particular, the present disclosure relates to an apparatus for performing finishing operation on a ball screw. The apparatus of the present disclosure operates w...  
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...  

Matches 1 - 50 out of 6,121