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JP2001138248A |
To provide a fixing structure of a grinding wheel using a flange including a wheel holder whereby mounting and removal of the grinding wheel can be conducted simply and quickly. A hold-down flange and a nut are provided whose surfaces in...
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JP2001138252A |
To reduce the weight of a shank for a grinding tool and prolong the lifetime of the products without bringing about increase of the manufacturing costs. The shank for grinding tool is structured so that at least its part 11 to hold a gri...
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JP2001138190A |
To provide a flat surface grinding machine which is capable of processing an end surface of a workpiece, which is also capable of performing grinding work, and which can be manufactured at a low cost. This grinding machine comprises a be...
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JP2001138192A |
To provide a sanding machine provided with a sanding wheel capable of absorbing the minute sliding of a work in the touching or separating direction and less prone to be abrade or deformed. The sanding wheel 31 is integrally rotated with...
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JP3168336B2 |
To prevent the generation of stress regions at the time of holding an array by forming hexagonal seat part surfaces in proximity the both ends of a shaft and forming hexagonal bores adaptable to the shaft of a hexagonal shape to material...
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JP2001105229A |
To provide a disc rotating device for ensuring stability of a thin disc, when rotated at a high speed, without requiring experience and perception for saw levelling. For a disc rotating device, a mounting hole 4 is formed in the center o...
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JP2001105310A |
To prevent a core member of a grinding wheel from being deformed by bolt clamping force when the grinding wheel is locked to one end of a main spindle. In a grinding wheel locking structure where the grinding wheel 31 is locked to the en...
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JP3157338B2 |
PURPOSE: To correct the engagement portion of a spindle to a predetermined position any time. CONSTITUTION: In a tool changer for a die grinder to arrange a tool 9, detachable according to an unevenness, on a rotatable spindle 7 and to c...
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JP2001071262A |
To provide a mounting system for a grindstone reducing overall stress acting on the grindstone in operation by substantially reducing or eliminating prestress applied to the grindstone. A pulverizer for reducing particle size has a frame...
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JP2001062716A |
To prevent damage to a radial air bearing and a thrust air bearing supporting a spindle, by preventing a load from being applied in a radial direction when mounting and demounting a nut fixing a cutting blade in mounting and demounting t...
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JP3137647B2 |
PCT No. PCT/EP93/01945 Sec. 371 Date Nov. 1, 1994 Sec. 102(e) Date Nov. 1, 1994 PCT Filed Jul. 22, 1993 PCT Pub. No. WO94/03788 PCT Pub. Date Feb. 17, 1994An apparatus for balancing the grinding wheel (2) of a grinding machine, comprisin...
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JP3133300B2 |
To improve a polishing accuracy so as not to transmit a deflection of a driving plate to an upper surface plate. This polishing device is provided with a lower surface plate having a buff 14 and an upper surface plate 13 having the buff ...
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JP2001004477A |
To detect a position and magnitude of equivalent concentrated unbalanced mass in a disc with high accuracy in a very short time.A measuring point (Px, Py) is placed on a plane 1a of a disc 1, and a center N of the disc 1 is supported so ...
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JP3122117B2 |
A rotating mass dynamic balancing device, in particular for grinding wheels, including: a support body (2) having a central axle (8), two compensation masses (7a, 7b) mobile onto said support body (2) and having a development direction p...
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JP2000352443A |
To provide a balance correcting device for a rotor, which can discharge at low voltage without narrowing discharge distance.A discharge electrode 32 is arranged to be opposed to the center side plate 24a of a rotating grinding wheel 24 a...
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JP2000308966A |
To reduce the cost of grinding and improve the efficiency of grinding by making good use of the grinding surface of grinding wheels coupled to a rotary shaft via a taper fit. A rotary shaft 16 has an axially projecting tapered shaft port...
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JP3091488B2 |
PCT No. PCT/AU91/00420 Sec. 371 Date Apr. 30, 1993 Sec. 102(e) Date Apr. 30, 1993 PCT Filed Sep. 12, 1991 PCT Pub. No. WO92/04549 PCT Pub. Date Mar. 19, 1992.A fastener (50) is disclosed suitable for securing a grinding wheel (92) to the...
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JP3084391B2 |
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JP2000202770A |
To exactly fix a grindstone to a flange and to cause no vibration without deforming the flange by pressing down the grindstone by a collar and a projection. In this grindstone flange for a thin blade grindstone, a thin blade grindstone 1...
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JP2000190217A |
To provide a rotary shaft with grinding wheel which can install various inner diameters of grinding wheels to the main shaft of a machine tool, accurately. This is a rotary shaft with grinding wheel which can install grinding wheels with...
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JP2000127037A |
To provide a grinding wheel holder capable of simply making the fine adjustment of a grinding wheel with a simple structure. Tap holes 9 are arranged at uniform intervals on concentric circles with the center on the flange plate 4 of a g...
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JP2000127036A |
To provide a grinding wheel holder capable of making balance adjustment in a wide range without changing the masses of balance weights. Multiple annular grooves 9 are provided on concentric circles with different radii from the center of...
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JP2000504282A |
PCT No. PCT/DE97/01980 Sec. 371 Date Feb. 1, 1999 Sec. 102(e) Date Feb. 1, 1999 PCT Filed Sep. 6, 1997 PCT Pub. No. WO98/23410 PCT Pub. Date Jun. 4, 1998A handheld machine tool, for example a circular saw, has a disk-shaped tool which is...
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JP3026282B2 |
To obtain a wafer chamfering device efficiently, operable. Two sets of processing units are set in parallel, at the front surface parts of a device main body 12. To the processing units, outer periphery grinding wheels 78A and 78B are se...
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JP2000079546A |
To reduce a loss at rise up time when a new grinding wheel is used, in centering and edging work of a lens. A grinding wheel 10 has a centering and edging part 12a and chamfering parts 12b, 12c grinding the outer peripheral part of a len...
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JP2000042931A |
To excellently polish the book end surface by stably maintaining an outer peripheral surface shape of a cylindrical polishing body by providing plural annular ring-shaped moving bodies movable in the shaft direction, pressing-down member...
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JP3006352B2 |
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JP2000033564A |
To easily and surely fix a rotary grinding wheel on a spindle by providing a fastening means for fastening an elastic body in the axial direction so that the elastic body is pressed to the inner periphery of the rotary grinding wheel sid...
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JP3003899B2 |
PURPOSE: To facilitate a roll setting work by projecting a jaw in one of two semi-annular bodies forming an annular body in a cylindrical puff for making surface finishing of a polishing object or a half divided polishing roll of an bush...
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JP2000024903A |
To prevent the dissociation in the error operation of a spindle lock means by forming a pressure point when a grooved rim is rotated. A grooved rim 27 is a stopper comprising the entraining action with the triple arranged profiles of a l...
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JP3000107B2 |
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JP2997710B2 |
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JP2997711B2 |
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JPH11347928A |
To provide a multiple grinding wheel arrangement for grinding a die whereby good shape and accuracy characteristics of the die and a good surface roughness can easily be obtained compatibly. This multiple grinding wheel arrangement is co...
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JPH11347929A |
To establish the operating procedures to mount a polisher on the rotary shaft of a disc grinder through a rubber packing and fasten the polisher by screwing a wheel nut, wherein the fastening of the polisher to ensure the greatest reduct...
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JPH11333692A |
To set a tool holder to optimum eccentricity for a special working theme, especially a polishing theme and to provide a user with a constantly excellent work result in various works by a hand-held power tool by exchanging a tool holder. ...
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JP2980269B2 |
To drive a tool (12), a portable power tool has a hollow spindle (14) to which the tool (12) can be fastened between two flanges (16, 18). The outer flange (16) is formed on the end of a clamping bolt (22) which is inserted through a cen...
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JPH11262859A |
To rotate a slender grinding wheel spindle at a high speed, improve machining efficiency and performing highly precise machining. A device for supporting a slender grinding wheel spindle 7 having a grinding wheel 8 at the end includes a ...
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JPH11254324A |
To provide a high-speed abrasive device by which a substantially higher removal ratio than a typical and usual ratio can be attained. The subject high-speed abrasive device is equipped with a porous grinding wheel 2 and apparatus 10, 12 ...
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JPH11226853A |
To remove only the burr formed in a part requiring deburring by preparing a deburring machining program based on determined tool data and XY dimensions of a workpiece obtained from a machining program. A CPU 13 prepares a deburring machi...
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JPH11226834A |
To enable a device to automatically replace a polishing tool. In a polishing device mounting a polishing tool 35 in a spindle in an arm of a robot, while pressing the polishing tool 35 to a polished surface of a metal mold run along it, ...
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JP2936440B2 |
A method and apparatus is disclosed for transferring electrical power to a balancer 14 without the need for a physical connection between the balancer and the power source 16 or the controller 12 and which also provides for data communic...
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JPH11221759A |
To show an excellent follow-up property as in the peripheral direction and the longitudinal direction of a pipe, to polish the stainless steel pipe in a large polishing pressure, and to obtain a polishing surface of a stable quality. On ...
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JP2931154B2 |
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JPH11508833A |
PCT No. PCT/DE97/00496 Sec. 371 Date Oct. 6, 1997 Sec. 102(e) Date Oct. 6, 1997 PCT Filed Mar. 13, 1997 PCT Pub. No. WO97/42002 PCT Pub. Date Nov. 13, 1997In a hand-held electrical grinder with a tool holder (22) driven by a rotating ecc...
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JPH11201233A |
To provide an automatic balance adjustment mechanism, which can adjust easily and smoothly rotation balance of rotors. An automatic balance adjustment mechanism 7 comprises a doughnut shaped plate 8 and balls 9 used as weights inserted i...
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JPH11179654A |
To prevent the penetration of a coolant by supplying a pressurized gas into a cap in order to make the cap internal pressure higher than the external pressure of the cap. The grinding wheel spindle 2 of a wheel spindle stock 15 is rotate...
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JP2596633Y2 |
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JP2905844B2 |
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JPH11151669A |
To provide a device which facilitates the work for assembling a large- sized grinding wheel for grinding outside diameter on a flange. A grinding wheel assembly device 1 has a main body 100 having a table 120 ascending and descending for...
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