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JP2010253657A |
To provide a cutter sharpener forming a sectional shape of a cutting edge after polishing into an optional shape with a simple constitution and preventing generation of nicks during the polishing.A plurality of polishing materials (10) i...
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JP4570923B2 |
One of the blades (6, 20) is removed and replaced with a grinding disc (12, 21) for sharpening a blade remaining in the machine (1) by rotating the remaining blade or grinding disc. The machine contains two blades which form two differen...
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JP4566785B2 |
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JP2010214570A |
To provide a method for grinding a blade material in which, even when the blade material has been bent, anyone can perform more accurate and precise grinding than skilled workers through a simple work, and can ensure the evenness of grin...
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JP4551526B2 |
A radius-forming dressing roll (32) having a frustoconical working region (48) and an adjoining concave-toroidal working region (49) is mounted on the dressing spindle (30) coaxially to a dressing disc (31). In a first step, the flanks (...
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JP2010201561A |
To provide a grinding device extremely easily and precisely grinding a rotary blade in which rake faces and flank faces are alternately disposed peripherally and inclinedly at a predetermined inclination angle.The grinding device 1 inclu...
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JP4546253B2 |
The device has a clamping and adjustment device with at least three units (20,22,24,26) for clamping and adjusting the part (12), of which at least two have control devices for defined adjustment in the radial direction by a control para...
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JP4542189B2 |
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JP2010188513A |
To provide a formed cutter tool having the entire blade part made of solid cemented carbide, reducing the grinding load and the risk of breakage of the blade part during the manufacture. In the formed cutter tool, the entire blade part 1...
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JP4524159B2 |
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JP2010162643A |
To provide a drill capable of drilling with higher degree of accuracy compared with a conventional drill. In a peripheral surface 13 of a blade part which is the tip side part of a drill body 10 rotated around an axis CL, two main groove...
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JP2010149231A |
To provide a cutting tool which allows its tip to be easily re-polished in a short time, can ensure longer cutting edge life, and can improve operating time efficiency in re-polishing, and to provide a method of polishing the cutting too...
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JP2010149230A |
To provide a cutting edge replaceable cutting tool using a plurality of tips, which changes a rake angle of a tip in a short period of time, and polishes the tip in a short period of time without removing it from the cutting tool, and al...
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JP2010149272A |
To provide a comparatively low-cost scissors polishing apparatus, simply making an angle of a blade of scissors constant and enabling any user to obtain sharpness simply, when polishing scissors using a bench grinder with a buff polishin...
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JP4496196B2 |
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JP4496701B2 |
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JP4495441B2 |
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JP4492843B2 |
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JP4494861B2 |
The correcting device includes a cylindrical gear wheel (6) with an abrasive layer on its active correction surface to shape the flanks of the grinding worm (3) and a cylindrical roller (7), also with an abrasive layer, to suit the adden...
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JP4486972B2 |
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JP4485593B1 |
To make it possible to cope with high and low blades while shortening grinding time by pre-measurement. A transmission type optical sensor composed of a laser beam emitting device and a light receiving element is set as a "continuous out...
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JP2010125575A |
To provide a drilling apparatus and a regrinding method of a drilling tool excellent in practicability which can reduce a drilling cost in the manufacturing of a printed circuit board.In the drilling apparatus including a spindle 3 for h...
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JP4475557B2 |
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JP3159522U |
To provide a jig for sharpening an accurate and uniform sharpening blade of a saw chain attached to a chainsaw by manual work by anyone anywhere. A surface contact that allows a round file to be moved in the direction of a sharpening ang...
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JP2010115770A |
To provide a small and very easy-to-use knife sharpener which can be operated with one hand.The small and very easy-to-use knife sharpener is characterized in that a sharpening part for sharpening a knife, a kitchen knife or the like is ...
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JP4465983B2 |
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JP4466956B2 |
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JP2010110885A |
To provide a kitchen knife sharpener dramatically improving quality by attaching a valve preventing a rattle to a shaft rod receiver, scraping the thin knife point to be scooped out, and achieving extremely excellent sharpness of the kni...
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JP2010105134A |
To provide a cutting edge exhcnage type chip and a method for working a chip, which can attain the improved productivity of the edge replacement-type chip utilizable in high-accuracy cutting to lower the cost.The cutting edge exchange ty...
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JP2010105120A |
To provide a stepped drill polishing device capable of polishing a small diameter part and a large diameter part of a stepped drill by a single device and easy operation while being inexpensively manufactured with a simple mechanism.The ...
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JP2010099821A |
To provide a device for reusing a deteriorated and unusable throwaway cutting tool by grinding the throwaway cutting tool.The device for grinding the deteriorated throwaway cutting tool includes: a cutting tool setting holder of a positi...
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JP4454850B2 |
A tool head (46) in which a tool spindle (52), adapted to be equipped with a disc-shaped tool (100), is supported so as to be driven in rotation about a spindle axis (C), is associated with a workpiece support (82) on which a workpiece (...
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JP4452900B2 |
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JP4450993B2 |
A grinding wheel (28) that rotates around an axis and that has a working area consisting of an annular surface with a circular arc profile in axial cross section is used to first generate a surface on a cutting blade (22) by grinding wit...
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JP4443039B2 |
A tool head (46) in which a tool spindle (52), adapted to be equipped with a disc-shaped tool (100), is supported so as to be driven in rotation about a spindle axis (C), is associated with a workpiece support (82) on which a workpiece (...
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JP4440778B2 |
A sharpener includes a motor driven shaft with at least one slidably mounted sharpening assembly consisting of a supporting hub structure mounted by its central bore hole on the shaft. The hub structure supports a symmetrically shaped ro...
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JP4436385B2 |
A cutting-tool holder (1; 101) for use in grinding includes a pinching portion (11; 111) and a connecting portion (12; 112). The pinching portion (11; 111) includes a pair of pinching pieces (11a, 11a) configured to pinch a blade of a ki...
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JP2010506745A |
The present invention provides a blade sharpening device designed for sharpening a blade for a uniform sharpening of the edge thereof. The blade sharpening device contains a base having a guide slidably movable relative to the base. The ...
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JP4416880B2 |
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JP4408362B2 |
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JP4400309B2 |
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JP4402086B2 |
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JP2009545458A |
In an indexable insert having wide sides, inclined narrow sides are to be ground, that is to say the grinding allowance 38 is to be removed. To this end, the indexable insert is set in rotation about a driven axis of rotation between a c...
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JP4380993B2 |
A grinding machine ( 10 ) for double-sided grinding of tooth flanks, in particular hard-metal tipped circular saw blades ( 14 ) is described. The grinding machine comprises two grinding units ( 16, 18 ) each with a grinding body, a first...
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JP4374412B2 |
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JP2009269143A |
To provide a cutter grinding disk which can improve grinding work efficiency by shortening the time necessary for the detection of the position of the edge of the cutter.The cutter grinding disk includes a finish grinding device 15 and a...
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JP4365751B2 |
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JP4362222B2 |
A workpiece slide (42) is guided on a workpiece slide guide means (40) which extends transversely of a pivot axis (A) determined by a machine bed (20), the workpiece slide (42) together with its workpiece support (44) defining a central ...
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JP2009248233A |
To solve the problems of a conventional small-diameter drill for printed board wherein though the accuracy of hole location during boring is improved, the accuracy of hole location is lowered when three or more sheets of printed boards a...
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JP4349494B2 |
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