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JP2003236763A |
To provide a tool for finishing having a cutting performance of a slight allowance and providing a finished surface having high size accuracy and good surface roughness for a workpiece.A tip holding part 5 is integrally joined to the tip...
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JP2003205414A |
To prevent generation of any deviation in the reference in a member with a surface of a rotary cutting tool covered by a film which has a centering hole as the reference.In a covered member having a center hole 4 in which the center hole...
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JP2003165021A |
To provide a reamer having a blade nearer to a grinding wheel than a blade having a cutting edge, provided with an independent fine adjustment function for a cutting edge tip outer diameter in each blade for uniformalizing grinding force...
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JP3415111B2 |
To prevent reduction of machining accuracy when a machining part comes off from a hole, in spite of a structure capable of adjusting an external diameter of the machining part with high accuracy. In this grinding tool, an axial part of a...
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JP2003159621A |
To provide internal-diameter finishing equipment designed to improve the final finish precision for cylinders and other devices, used for hydraulic equipment, and particularly to rectify and modify deformation that will occur in the ther...
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JP3403586B2 |
To prevent the generation of the overburnishing torque, by making an outer periphery of a reamer body at a rear side in a rotation direction, of a finishing teeth part, retreated inside in a diameter direction, from a rotation diameter a...
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JP2003117709A |
To provide a machine tool for drilling a hole in a workpiece of a cutting plate surrounded with at least one thin wall.At least one of cutting plates 9, 9', 9", 9a, 9'a is inserted along a peripheral surface 15 of a tool 1 so that two gu...
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JP2003094243A |
To provide a new type adjustable reamer which can finely adjust the outside diameter of a cutting surface and further can cope with prepared holes having an inside diameter from a small-to-large diameters.In the adjustable reamer compose...
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JP2003062758A |
To provide an approximately cylindrical rotating tool having a structure in which vibration is hardly transmitted.In a metal cylindrical part whose diameters of a main part and a joint part are almost equal, a joint part of the cylindric...
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JP3371802B2 |
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JP2002361509A |
To provide a drill with a reamer simple in formation itself, easy to manufacture, free to increase length of a part which is cut and worked and applied with reaming finishing work and free to apply the reaming finishing work to the extre...
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JP2002542049A |
A piezoelectric adjusting mechanism includes a piezoelectric displacing element that is placed in contact with a cutting element and that is provided for displacing the cutting element with regard to a tool shaft. The mechanism also incl...
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JP2002337023A |
To provide a boring device capable of easily improving the smoothness on the inside face of a bored hole.A reamer 1 having a blade part 2 and a shank part is provided with three finishing blades 6 extending in the length direction spaced...
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JP2002292555A |
To provide a lapping tool by which accuracy of a lapping finish work can be made higher, a lifetime of the lapping tool itself can be extended, a lapping diameter can be adjusted and the lapping finish work of various diameters is availa...
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JP2002528283A |
A cutting tool such as a drill or reamer for machining a bore in a workpiece is provided with at least one chamfered cutting edge on its distal end having an enlarged radial extent. The chamfered edge is defined between a tapered leading...
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JP2002224913A |
To provide a reamer capable of suppressing the abrasion and chipping of a blade part.A cutting edge part is composed of not a sharp edge but a curved surface 4 having a radius of curvature ranging from 0.025 mm to 0.15 mm. Surface roughn...
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JP2002200523A |
To provide a reamer that can finish a spindle hole cut, for example, in an aluminum baseplate for a hard disk drive(HDD) spindle motor to severe requisite precision by suppressing workpiece deflection and contraction of the diameter of t...
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JP3288718B2 |
PCT No. PCT/EP97/02669 Sec. 371 Date Sep. 2, 1998 Sec. 102(e) Date Sep. 2, 1998 PCT Filed May 24, 1997 PCT Pub. No. WO97/45223 PCT Pub. Date Dec. 4, 1997A reamer for material-removing finishing machining of drilled surfaces in workpieces...
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JP2002160124A |
To easily and accurately adjust a position of a tip.A first slope 42 projecting on the tool base end side with approach from the tool outer peripheral side to the tool inner peripheral side is formed on the tool base end side of a tip 34...
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JP2002154006A |
To prevent the mouth of a shank forming a pipe shape being closed by cement or foreign matter in cutting liquid, in a drilling tool such as a gun drill and a gun reamer.A blind hole 5 having a larger diameter d than the diameter D of a s...
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JP2002144145A |
To provide a reamer allowing a durability to be increased by surely preventing the wear on the ridge part of a blade tip part for directly cutting a work and chipping of blade and capable of accurately finishing the work at all times.A t...
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JP2002103138A |
To provide a means capable of simplifying the machining such as burring and chamfering of a cut part of a pipe.This reamer 100 has a pyramid-shaped blade part 101, a cylindrical grip part 102 closed at its one end, and a file (grinding m...
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JP3269812B2 |
To provide a stepping rotating cutting device such as a stepping drill smoothening outflow of chips for preventing chip packing to reduce breakage accidents during processing due to the chip packing. Steps in a tool radial direction are ...
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JP2002046019A |
To improve the cutting performance and durability of a rotary cutting tool with a guide without straining the product, reducing hardness and increasing costs.A guide pad 5 is fixed to the outer periphery of a tool body 1 by brazing, then...
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JP2002028813A |
To provide an end mill with good cBN cutting blade capable of facilitating brazing while adopting an inexpensive sintered base plate using cBN material of good material, so that the cutting blade has high wear resistance and tenacity in ...
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JP2001353603A |
To provide a tool formed of a cBN sintered compact which has the excellent wear resistance and toughness and controls any peeling or chipping of a cover film during the intermittent cutting.This tool formed of the cBN sintered compact co...
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JP3236083B2 |
PURPOSE: To provide an electrodeposition reamer tool which can make processing with a high precision and a high efficiency and which is favorable, in particular, for use in boring a steel material. CONSTITUTION: CBN abrasive grains 8 of ...
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JP2001524882A |
The invention relates to a superfinishing tool having a shank (2), as well as at least one rigid cutting edge (16) and at least one guide rib (30) on the periphery. In addition, or alternatively, the cutting edge (16) and/or the guide ri...
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JP2001322029A |
To provide an inexpensive rotary multi-edged tool which is high in discharging property of chips when the cutting is performed by the tool having the rotary multi-blades with a plurality of diamond tips joined therewith as a cutting blad...
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JP2001519724A |
The invention relates to a friction and sinking cutting tool comprising a base member (2) to which a cutting blade (20) is exchangeably clampingly fixed by means of a clamping screw and which is adjustable in terms of its radial position...
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JP3218754B2 |
PURPOSE: To prevent a pat part from fusing due to elastic deformation of a cut material while maintaining work accuracy by suppressing deflection of a cutting edge member. CONSTITUTION: A cutter edge member 3 is fitted to a tip of a tool...
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JP2001280338A |
To inexpensively provide a finished surface of high accuracy and realize the low cost while improving the bearing characteristic of a bearing device. When a finishing tool 41 is inserted into a bearing hole 13A3, a insertion guide part 4...
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JP3214387B2 |
To set up the outer diameter of a cutting edge simply and accurately by making a part to be forcibly pressed by a least a clamp means, out of a top face into a incline being tilted to a tool rotational rear side in proportion as heading ...
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JP2001212719A |
To provide a boring tool with pad excellent in pad fixing reliability, allowing a pad to be replaced easily, preventing the performance and accuracy of a tool from being lowered by the replacement of the pad, and preventing a trouble fro...
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JP3188415B2 |
To obtain a sufficient durability, even if the hole finishing of a high hard material is carried out under a high speed cutting condition. A tool main body 10 is formed in a columnar shape as a whole and its base end side formed to a sha...
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JP3180572B2 |
PURPOSE: To provide a disirable worked diameter even if shrinkage is caused in the worked hole following an elastic deformation of a worked material in drilling by setting an outer diameter of a cutting edge a little larger than a diamet...
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JP3180574B2 |
PURPOSE: To make any runout of a cutting part in time of the chamfering of a cutting edge even in such a case of cutting by means of a machining center, and thus to perform a job for highly accurate reaming work, at the time of this ream...
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JP3178364B2 |
To make the movement of a tip by an adjusting means smooth, also make the fine adjustment of its position easy, and thereby simply and accurately set the outer diameter of a cutting blade in place after repolishing has been done. In a th...
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JP3176877B2 |
To prevent chipping caused by vibration by providing a knife-edge part made of sintered diamond on an outer peripheral cutting edge part and providing a knife edge part a position with a specified clearance from a rear end of the knife-e...
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JP2001138109A |
To use a cutting blade a plurality of times with a single tip even if it is attached to a throw-away reamer with a means for adjusting a cutting blade position. This throw away tip 1 is attached to a tip mounting seat 4 on a tool body 2 ...
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JP2001121313A |
To lower the cost of a diamond-coated drill, raise the bonding strength between the diamond and the drill body, and prolong the useful life longevity of the drill by dispensing with cemented carbide for the drill body and diamond precipi...
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JP2001105231A |
To give great effect by setting the diameter of a reamer to a machining diameter for fine dimensional adjustment according to machining conditions in reaming machining and to extend the life of a tool by adjusting a dimensional change du...
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JP3153315B2 |
PURPOSE: To provide an improved reamer having an interchangeable cutter head such that removal of the cutter head from the reamer shank is facilitated by surely making a connection without a play between the reamer shank and the cutter h...
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JP3149696B2 |
PURPOSE: To supply and store more cutting fluid just before a tool rotational direction of a guide part by forming a recessed groove part in a boundary ridgeline part between a side wall part on a tool rotational direction side of the gu...
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JP2001018119A |
To provide a drill tap capable of easily and accurately boring with a drill and carving tap with one member, and to provide an electric drill tapper for standing a desirable tap while using this drill tap.A drill blade 2 and a tap blade ...
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JP2000296411A |
To provide a reamer made of composite material in which the surface is hard and has wear resistance, and the inside of which has high toughness. A cutting part 12 constituting this reamer 10 has plural cutting edges 16. In the reamer ins...
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JP2000288814A |
To provide a guide pad used in a drilling tool having long service life, low raw material cost, and superior machinability, and hardly ever having a thermal crack occur during brazing. This drilling tool having a cutting edge at a tip ha...
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JP2000271810A |
To eliminate any clearance between a diamond sintered body and a tool base material, prevent chip from accumulated and clogging by using a solder material superior in wettability with the diamond sintered body. A solder material 5 capabl...
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JP2000263328A |
To provide a configuration of a reamer, which accurately finishes a valve guide made of sintered metal, wherein a sharp, wear-resistant, high hard cutting blade body is bonded to the tip of the reamer, a method of maintaining its configu...
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JP3083985B2 |
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