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JP2017194121A |
To provide a locking screw capable of easily being fastened because of small fastening resistance, and preventing looseness due to vibration or external force without preparing another component, or maintaining fastening force, and a man...
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JP6213867B2 |
Provided is a surface-coated cutting tool having both high wear resistance and high fracture resistance and having an indicator function that significantly facilitates the determination of the usage of a cutting edge. A surface-coated cu...
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JP2017185587A |
To provide a technology that enables a stress absorption mechanism part which absorbs stress applied to a tool to be simply formed and also enables reduction of an arrangement space.A tool holder 100 has: a shank part 120; a tool holding...
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JP2017172022A |
To provide a hard film having more improved abrasiveness; a hard film coated member including the hard film; and a method for producing the hard film.There is provided a hard film 20 containing Al, Cr and N. The hard film 20 has a compos...
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JP2017524543A |
The present invention relates to a cutting tool having at least one diamond-coated functional region having a substrate surface made of a cemented carbide or ceramic material underneath the diamond layer, wherein the substrate surface is...
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JP6184032B2 |
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JP6174028B2 |
The present invention provides a coated cutting tool comprising a substrate and a coating, where the coating comprises at least one compound layer deposited by cathodic arc deposition, which has a thickness of 10-30 μm characterized in ...
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JP6168541B2 |
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JP6168539B2 |
Provided are: a hard lubricating coating film which is hard and has wear resistance; and a hard lubricating coating film-covered tool. A hard coating film (10), which is hard and has wear resistance, and an end mill (12) can be obtained ...
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JP2017113845A |
To provide a punch capable of completing lower hole drilling, burring, and tapping by one stroke of a press machine, a tapping unit, a press mold, and a press processing method.A punch 4 has: a lower hole drilling part 41; a burring form...
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JP6144165B2 |
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JP6140223B2 |
A controller for controlling a synchronized operation of spindle and feed axes. A spindle-axis control section includes an initial-motion control section for making a spindle axis perform an accelerated rotation at maximum capacity from ...
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JP2017088917A |
To provide a hard metal alloy excellent in loss resistance and a cutting tool.There is provided a hard alloy having a first hard phase which consists of WC particles, one or more kind of second hard phase which is difference from the fir...
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JP6133666B2 |
Described is an automatic threading machine comprising an electric motor (2) having a rotor (3) designed to selectively rotate in both directions about an axis (4) and a tool holder spindle (7) able to move with a rotating movement about...
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JP6120229B2 |
A hard coating includes two first crystalline phases, and a second crystalline phase disposed between the two first crystalline phases. The two first crystalline phases each include, independently, a laminate structure having a Ti 1-x1 A...
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JPWO2015137445A1 |
Provided is a durable cutting tap in which the cutting chips are less likely to wrap around the tap with respect to the cutting tap, and the cutting tap is less likely to be broken due to the wrapping of chips during cutting. A high fric...
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JP6107210B2 |
The present invention prevents the occurrence of variation in the lead of a threaded section of a machined article (19a) resulting from the effects of thermal expansion of the machined article (19a) during machining. A thermal expansion ...
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JP6103007B2 |
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JP6099225B2 |
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JPWO2014189018A1 |
The thread cutting cutting insert (1) of the present invention includes two opposing end faces (2, 3) and a peripheral side surface (4) extending between them. The peripheral side surface has a first side surface portion (7a) and a secon...
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JP2017024087A |
To provide a control device, a threading device, a control method, and a computer program by which moving time of a processing blade that performs threading motion can be shortened.A control device according to the present invention cont...
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JP6069566B1 |
[Subject] Efficient screw processing is performed by reducing the number of times of movement of a main part of a tool at the time of forming a thread groove. [Means for Solution] an edge which saved into a tip part of main part 1 of a t...
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JP3208585U |
To provide a tap handle which can be used even in a case where a metal chip is clogged in a female screw cut in a building material or the like or the entrance of the female screw is damaged. A chuck portion 12a is provided with a tubula...
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JP2017015145A |
To provide a ball screw having structure capable of attaining substantial light-weight formation while keeping sufficient strength regardless of size and regardless of kind.This invention comprises a screw shaft 2 having a ball screw gro...
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JP6061355B2 |
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JP6045259B2 |
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JP6044905B2 |
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JP6037255B1 |
[Subject] A surface coated cutting tool which is excellent also in high hardness and toughness is provided. [Means for Solution] A surface coated cutting tool is provided with a substrate and a tunic formed in the surface of the substrat...
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JP6030654B2 |
A thread whirling device for producing a thread on a workpiece on a numerically controlled turning machine by a thread whirling method, having a retention structure for fitting the thread whirling device to the turning machine, a whirlin...
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JP6029216B2 |
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JP6028098B2 |
Provided is a thread-cutting tap, which limits chipping that occurs during tapping and with which female thread precision is also stabilized. Chipping is limited by forming a protruding circular shape (32) on the cutting face (30) of a c...
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JP6016704B2 |
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JP6015444B2 |
There is provided a method enabling the formation of a ball recirculation groove and a ball rolling groove at the inner circumferential surface of a nut for ball screw use in a state free of deviation in an axial direction, circumferenti...
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JP6013656B1 |
Though form-rolling processing is performed, a processing method of a screw which can prevent a projection part from being formed in a screw thread tip part is provided. A screw thread (2A) is formed in cylinder body inner skin (1a) by c...
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JP2016532569A |
To provide a screw tap capable of exchanging blade members having different dimensions. A screw tap having a replaceable blade of the present invention has a housing formed between a first sandwiching portion and a second sandwiching por...
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JP6004890B2 |
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JP6001633B2 |
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JP5995029B2 |
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JP5990478B2 |
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JP5991144B2 |
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JP5988010B2 |
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JP5984183B2 |
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JP5966633B2 |
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JP5961313B1 |
To facilitate tap replacement and mechanically drive a tap to eliminate the need for installation of a motor and to realize tapping processing without power consumption. A cylindrical gear 4 is rotated in an elevating case 3 via a plural...
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JP2016132092A |
To provide a screw work capable of being done, although the cutting load is high in a large lead screw of a square screw, a trapezoidal screw or a large-lead screw for worm treatment.An article to be cut is formed into a screw shape by c...
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JPWO2014020900A1 |
When machining a female screw into a hole made of a metal material that has a hole for female screw machining, the male screw-shaped tool does not rotate while holding or fixing the metal material, and the hole moves only by revolution o...
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JP5955959B2 |
A cutting tool has a cutting insert, a tool holder, and an adjustment member. The tool holder includes an insert holder portion and a shank portion, the insert holder portion being rigidly fixed to the shank portion. The cutting insert i...
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JP5954119B2 |
In a thread grinder which grinds a thread grove on an inner surface of a workpiece while a rotation axis of a grinding wheel shaft is inclined with respect to an axis of a main shaft, a centering master which has a cylindrical outer surf...
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JP5951040B2 |
Provided is a cutting tool coated with a hard film that reduces cutting resistance. A cold forming tap (10) provided with a hard film (36) coated on the surface of a tool base material (34) by a sputtering technique, wherein multiple dom...
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JP5937891B2 |
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