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JP2532586Y2 |
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JPH0985533A |
To maintain the accuracy in boring at a high level even if the same reamer is used for a long period by providing an energizing means threadingly engaging a shaft end to energize a steel ball toward a tapered hole in the tip according to...
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JPH0985532A |
To provide a reamer capable of easily regrinding without reducing the number of edges of the reamer composed of rough blades and finish blades. A finish blade 5 is disposed behind a rough edge 4. Thus, the edge groove 3a of the rough edg...
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JP2572128B2 |
PCT No. PCT/JP89/00804 Sec. 371 Date Aug. 14, 1990 Sec. 102(e) Date Aug. 14, 1990 PCT Filed Aug. 4, 1989 PCT Pub. No. WO90/14189 PCT Pub. Date Nov. 29, 1990.A high speed burnishing drill having drilling edges and reaming edges provided a...
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JPH0911039A |
PURPOSE: To secure clamping strength for a cutting edge tip and to increase a projection quantity of an outer circumference side cutting edge. CONSTITUTION: A cutting edge tip 15 is mounted in a mounting seat 3 in a tool main body 2, whi...
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JPH0911038A |
PURPOSE: To reuse most of a tool main body even if a cutting edge tip is abraded so as to lower a cost. CONSTITUTION: In a tool main body 2 of a reamer 10, a chip discharging groove is formed parallelly to the rotation axis line O. The t...
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JP2567890B2 |
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JPH08336716A |
PURPOSE: To improve the strength and durability of a cutting edge part by forming a tool by cutting out columnar super-gain particles in a rotary cutting tool using super-gain particle sintered body. CONSTITUTION: In a rotary cutting too...
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JPH08323541A |
PURPOSE: To secure a reamer with a chip breaker easy in regrinding work and long-lived in service life. CONSTITUTION: Both first and second main cutting edges 84 and 86 and both first and second sub cutting edges 88 and 90 are formed in ...
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JP2556393B2 |
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JPH08276319A |
PURPOSE: To increase the regrinding number of a chamfer part, and to realize the long service life, by composing an end mill edge from the left twisting edge, while composing a reamer edge from the right twisting edge, in a reamer furnis...
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JPH08257816A |
PURPOSE: To provide a tool for tapered hole capable of reducing the precise machining process of a tapered hole by one tool, preventing large chips resulting from rough machining by a drill from interfering and damaging a machining finis...
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JPH08243821A |
PURPOSE: To enable a cutting tool to be used many times by repetitive re-polishing even though the cutting tool is worn on account of its use, by cutting a base material used for cutting tools in a direction normal to laminating directio...
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JP2536544B2 |
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JPH08232958A |
PURPOSE: To provide a manufacturing method of a sleeve for a fluid bearing capable of removing a raised part of an inside diametrical surface without requiring a chuck. CONSTITUTION: A process to machine a groove 2 for dynamic pressure g...
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JP2522828B2 |
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JPH08155735A |
PURPOSE: To attain longer life of a reamer by increasing a cutter grinding cycle, and provide good working condition. CONSTITUTION: A plurality of cutter parts 12 are protrudingly-mounted outwards from the outer periphery of a reamer alo...
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JPH08155736A |
PURPOSE: To reduce manufacturing cost by drilling an injection hole easily. CONSTITUTION: A reamer 10 is provided with groove parts 24a-24d which are cut and formed along the axial direction from the end part of a cutter part 18 to shank...
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JPH08155715A |
PURPOSE: To highly accurately and swiftly process a hole by forming a cutting edge for drilling at the tip of a shank an a toothed part for reamer on the way to the shank respectively. CONSTITUTION: Because a drill part 3 extends from it...
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JPH08126913A |
PURPOSE: To prevent the vibration from being generated in a tool body by the forming error between the edges by forming the cutting edges on a part of a plurality of cross edge parts formed on the tool body, and retracting the rest of th...
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JPH08503424A |
PCT No. PCT/EP93/03242 Sec. 371 Date May 17, 1995 Sec. 102(e) Date May 17, 1995 PCT Filed Nov. 19, 1993 PCT Pub. No. WO94/12306 PCT Pub. Date Jun. 9, 1994A drill including a bit having an extension received in and axially extending groov...
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JPH0885012A |
PURPOSE: To manufacture a high-performance, high processing accuracy and long life rotational cutting tool at a low cost which is capable of brazing on the tool body a bed plate less helical chip composed of a superhigh pressure sintered...
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JPH0832382B2 |
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JPH0852618A |
PURPOSE: To prevent the change of a texture due to heating and then cooling following machining by forming a transfer area between a main cutter and a sub-cutter of a cutter plate into a curved shape where an end area contacts the extens...
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JPH0852617A |
PURPOSE: To perform a highly precise boring, in a gun reamer used for finishing process of deep hole machining, by specifying the rear end position of a bearing arranged in the rear of a margin part with a space, and the circumferential ...
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JPH0852657A |
PURPOSE: To provide an electrodeposited tool without blinding between abrasive grains with cutting chips or capable of controlling abrasive grain density, that is, capable of selecting an abrasive grain size corresponding to required acc...
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JPH0839350A |
PURPOSE: To prevent burring in a reamer having a diamond sintered body tip on the top end side of a body to ream a work by the diamond sintered body tip, and enhance the hardness of the reamer. CONSTITUTION: A diamond sintered body tip 5...
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JPH0839351A |
PURPOSE: To improve the roundness of a machining hole in a reamer having a diamond sintered body tip on the top end side of a body to ream a work by the diamond sintered body tip. CONSTITUTION: In a reamer having a diamond sintered body ...
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JPH0839313A |
PURPOSE: To provide a boring tool holding device with guide bush in which a boring tool and a guide bush for guiding it can be attached to and detached from a holding device. CONSTITUTION: In a bush holding device, the engaging pin of a ...
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JPH0839317A |
PURPOSE: To prevent the chipping of a cutting edge and provide a sufficient tool life by interposing a cushioning layer consisting of titanium between a hard cover layer and a tool body. CONSTITUTION: An end mill 10 has a shank part 12 h...
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JPH081773Y2 |
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JPH07121486B2 |
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JPH07121485B2 |
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JPH07314329A |
PURPOSE: To provide a bore size corrector capable of finishing up a bore surface of a work finished to a certain degree at a grinding process to an optional setting value in high precision and, and besides requiring no skillfulness, comp...
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JPH0750099Y2 |
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JPH07299653A |
PURPOSE: To provide a machining method by which use of a guide bush is abolished in the machining method for a stepped hole. CONSTITUTION: A small diameter prepared hole Hs and a large diameter prepared hole Hl having different diameters...
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JPH0748340Y2 |
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JPH0744418Y2 |
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JPH0790410B2 |
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JPH07241716A |
PURPOSE: To provide a rotary tool with superhigh pressure sintered compact of high brazing strength between the extreme end part and the shank part. CONSTITUTION: This rotary tool is formed by brazing the extreme end part 2 integratedly ...
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JPH07237128A |
PURPOSE: To provide an electrodepositing tool whose life is improved by controlling the scattering density of large-sized hard grinding grains that are to become cutting edges projecting from an electric plating layer, widening a rough p...
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JPH0737778Y2 |
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JPH0737531U |
[Constitution] A blade portion 2 having a cutting edge 6 is provided at the tip end portion of the tool body 1 rotated around the axis O, and a shank 3 is provided at the base end portion of the tool body 1. A cylindrical guide 9 is deta...
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JPH0737532U |
[Constitution] A blade portion 2 having a cutting edge 6 is provided at the tip end portion of the tool body 1 rotated around the axis O, and a shank 3 is provided at the base end portion of the tool body 1. A cylindrical guide 9 is prov...
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JPH0737530U |
[Purpose] Provided is a reamer capable of polishing only a part of a cutting edge worn by cutting the inner wall surface of a hole when polishing the blade portion of the reamer, and also capable of maintaining a long tool life even afte...
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JPH0731235U |
[Purpose] It is an object of the present invention to provide a reamer capable of improving the surface accuracy of a machined hole without the chips coming into contact with the finished surface and not causing engraving scratches on th...
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JPH0723137Y2 |
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JPH0747246B2 |
A coolant and lubricant is supplied to the cutter head through the shank of a reamer. For this purpose an axial channel extends through the reamer shank and encloses in its front part a conical screw used for adjusting the cutter head an...
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JPH07108409A |
PURPOSE: To increase a centripetalism and form a processing hole with high roundness by forming a pair of L-letter shaped grooves, a drill edge and a reamer edge and also making the periphery of each edge to a drill bore guide and provid...
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JPH0715212U |
[Purpose] Improves drilled hole accuracy and finished surface roughness with a twist drill consisting of a drill blade and a reamer blade using an ultra-high pressure sintered body. [Constitution] The positional relationship between the ...
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