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JP09011038 |
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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JP08336716 |
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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JP08323541 |
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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JP08276319 |
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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JP08257816 |
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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JP08243821 |
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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JP08232958 |
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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JP08168916 |
PURPOSE: To provide a rotating shank-type tool which is easy in production and excellent in strength. CONSTITUTION: A rotating shank-type tool 11 comprises a mold cutting head 13 which is connected to a shank 12 and has a chip groove 15 ...
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JP08155736 |
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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JP08155735 |
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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JP08155715 |
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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JP08142067 |
PURPOSE: To certainly cut off the inner burr of the butt welded part of synthetic resin pipes with high efficiency corresponding to the diameter of the pipes. CONSTITUTION: In an inner burr removing apparatus for cutting off the inner bu...
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JP08126913 |
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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JP08118143 |
PURPOSE: To improve the machining accuracy of a tool provided with cutting tool diameter adjusting mechanism. CONSTITUTION: A tapered cone part 5a is formed at an adjusting rod 5 advancing/retreating in the cylinder of a rotary holder 4,...
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JP08090337 |
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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JP08085012 |
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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JP08085034 |
To reduce the replacement time of a tool by providing the partial tools engaged with each other with a connecting part enabling the automatic replacement of the tool. A driving device 33 is preferably connected with the control part of a...
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JP08071845 |
PURPOSE: To provide the finished hole accuracy of the prepared hole of composite material and the accuracy of the inner peripheral finished surface and suppress the thickness of a machining affected layer, and moreover lengthen a durable...
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JP08066825 |
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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JP08066826 |
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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JP08052618 |
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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JP08052657 |
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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JP08052617 |
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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JP08052616 |
PURPOSE: To provide a stepped reamer for finishing the inner surface of a stepped hole in which the working precision is improved, and the rigidity of the tool is enhanced. CONSTITUTION: Three chip discharging grooves 6 are formed on the...
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JP08039351 |
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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JP08039313 |
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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JP08039350 |
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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JP08039317 |
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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JP07314329 |
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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JP07299653 |
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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JP07251324 |
PURPOSE: To provide a reamer causing no settling motion of a cutter plate during the initial use of the reamer. CONSTITUTION: This reamer is provided at least one cutter plate 1, and the cutter plate 1 is provided with a nearly V-shaped ...
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JP07251323 |
PURPOSE: To provide a reamer having initial abrasion less than the abrasion occurring later. CONSTITUTION: This reamer is provided with at least one cutter plate and two guide strip pieces provided on the cutter plate. The cutter plate i...
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JP07241716 |
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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JP07237128 |
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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JP07204933 |
PURPOSE: To hold superior sharpness despite of decrease in a face angle caused by abrasion of a blade ridge by providing an inclination angle in the left direction to the axis direction to the each chamfer cutting blade and giving a down...
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JP07112318 |
PURPOSE: To obtain a cutting tool and a tool body, such cutting tool as the provided with a throw-away type blade fitted thereon capable of raising the utilization efficiency of the blade. CONSTITUTION: A plurality of blade fitting groov...
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JP07108409 |
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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JP07096416 |
PURPOSE: To provide an electrodeposition reamer tool capable of machining with high machining efficiency and high precision, having a stable tool life and especially suitable for hole drilling in steel material. CONSTITUTION: At the time...
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JP07060501 |
PURPOSE: To provide a machining device capable of manufacturing simply and with required accuracy. CONSTITUTION: An external reamer has a cutting head 11 having two claws 15, 16 projecting parallel to the axis from a base 12. A cutter pl...
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JP07060539 |
PURPOSE: To efficiently and accurately perform spread working a hole formed in a metal material by providing a guide part, having a cylindrical margin with a rotary lotus in the axial direction of equal diameter to a maximum diametric pa...
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JP07051929 |
PURPOSE: To provide a cutting plate for a reamer, in which short chips are produced even in fine machining. CONSTITUTION: A chip guide stepped part 17 has a high point 19 in a region of the apex point 9 of an auxiliary cutting edge 3 and...
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JP07040140 |
PURPOSE: To provide an electric deposition reamer which can develop the characteristics of each abrasive grain to the extent and can carry out working with the exceedingly high precision. CONSTITUTION: Diamond abrasive grains 5 having hi...
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JP07040141 |
PURPOSE: To mount and demount a cutting edge tip at the top edge of a reamer and secure the high precision of roundness. CONSTITUTION: A reamer body 17 projects a projection shaft 27 so as to surround a blind hole 25 formed from the top ...
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JP07032211 |
PURPOSE: To facilitate change and assemblage and improve boring accuracy by incorporating a tip in an inclined side end face of the guide part of a holder which is inclined by a predetermined angle to a surface orthogonal to the axis of ...
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JP07009350 |
PURPOSE: To provide an abrasive grain tool for grinding and/or cutting which can prevent generation of a breakage and a removal of hard abrasive grains, and has a long service life. CONSTITUTION: In an abrasive grain tool for grinding an...
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JP07009349 |
PURPOSE: To dispense with an expensive equipment such as a honing board and to extend the service life of a tool, by providing an abrasive grain tool to finish the inner surface of a hole with extreme precision, to require no honing fini...
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JP06312311 |
PURPOSE: To provide a cutting tool which has very excellent cutting performance and a long tool life, and a low cost. CONSTITUTION: In a cutting tool in which a base metal main body as a blade is composed of a superhard metal alloy, a bl...
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JP06277944 |
PURPOSE: To provide a reamer which is excellent in the catching action of a cutting edge and can accurately finish the bore of a hole for a long time by coating the surface of a part except at least a face at a cutting edge with a titani...
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JP06210514 |
PURPOSE: To provide a chucking reamer capable of sensitive and finely adjusting a cutter in the longitudinal direction of a slot of a main body. CONSTITUTION: In a chucking reamer, a cutter 18 guided in a guide slot 17 of a main body 12 ...
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JP06170640 |
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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