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JP2002210639A |
To solve the problems wherein a unit in which a brake disc rotor is mounted on a hub shaft or a knuckle is in a special shape and large, and accordingly requires a special holder while the brake disc rotor is machined, and poses difficul...
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JP3307657B2 |
In an underfloor wheel lathe 1 for reprofiling the wheels 28, 29 of railway wheel sets, with two machine units 3, 4 which are each allocated to a wheel 28, 29 of the wheel set 30 and of which each has a machine column 6, 7, a swivel head...
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JP3305120B2 |
PURPOSE: To provide an optical element and its molding method wherein a cost of a mold member for molding can be reduced, an effective using sphere part of a lens can be processed evenly, even as to positions of the ridge lines of the le...
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JP2002192407A |
To provide a cutting tool capable of elongating its life without lowering the roughness of a finished face, to be used in the finish turning with a depth of the cutting within a circular arc-shaped cutting blade of a nose.In this cutting...
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JP2002520167A |
A facing tool includes a fixture that securely holds a workpiece, and a fixture retainer that secures the fixture and workpiece against axial and radial movement during a facing operation. In one embodiment, the fixture includes a two pi...
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JP2002520166A |
A lathe includes a frame for supporting rotatable chucking equipment adapted to hold a work piece. The frame further supports at least one lathe tool for machining the work piece. The chucking equipment and the lathe tool are displaceabl...
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JP2002189114A |
To provide a metallic mold realizing manufacture of an efficient diffraction optical element, a tool therefor and an optical element manufactured therewith by clarifying values and ranges necessary for obtaining sufficient transmitted li...
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JP2002519204A |
An improved hydrodynamic bearing design and method for fabricating a hydrodynamic bearing is disclosed, which incorporates a filling groove (50) so that oil or other lubricating fluid can be efficiently inserted into the bearing gap with...
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JP2002182011A |
To provide a method for manufacturing a lens by which the surface roughness produced on the machined face can be improved.In the method for manufacturing a lens, the surface of a lens base body is machined with a ultra-precision lathe an...
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JP2002172449A |
To solve such a problem that in a method for shotblasting the peripheral face of a damper pulley in order to prevent slippage between a rubber and the inner or outer ring of the pulley from occurring, it is difficult to maintain the leve...
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JP3293931B2 |
PURPOSE: To provide a scraper for a large-diameter resin tube not removed even when the end face of the tube is not perpendicular or the tip side of the tube is tapered in the outer diameter direction by forming the outer diameter of a c...
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JP3293402B2 |
PURPOSE: To suck a spiral string-like chip easily without twining around the machined surface of cut material by additionally providing a rotary blade, rotated along with a rotary shaft, on the outlet side of a suction path, and arrangin...
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JP3293932B2 |
PURPOSE: To provide a scraper with a blade for a large-diameter resin tube surely biting the tube and generating no scraping irregularities and no residual cuts even when the tube is not a complete round or the thickness is not uniform b...
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JP2002166311A |
To easily change workpiece grasping force, securely and speedily attach and detach the workpiece, and enable automatic eccentric machining and automatic coaxial machining.A workpiece 1 is grasped by an air chuck 3 capable of varying gras...
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JP2002166302A |
To improve flatness and plane tilt precision of a mirror surface of a rotary polygon mirror.In this method for processing the rotary polygon mirror, a blank 1 for the rotary polygon mirror is kept installed on one processing jig 2, while...
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JP2002166301A |
To provide a method for cutting work capable of reducing effects on machining conditions due to difference between cutting tools or machine tools for stable machining mirror finished surface.In this machining method for cutting the surfa...
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JP3291172B2 |
PURPOSE: To provide a manufacturing method for a metal mirror that effectively uses accuracy of a polygon mirror blank obtained by press working and improves productivity. CONSTITUTION: This is a manufacturing method for a metal mirror t...
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JP3291682B2 |
To prevent a holder from being slipped off and jumped out from a recessed part when a reaction causing a swing in the direction of directing a roll is received by holding the holder fitted to the recessed part of a backup member so as to...
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JP2002160143A |
To provide a stable finished surface for a work having an elliptic envelope shape by keeping the rake angle of a cutting tool always constant when cutting the elliptic envelope by using the cutting tool.A second sliding table fixed to th...
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JP2002160102A |
To prevent occurrence of a burr on the end surface of a steel pipe and damage to a roller itself in moving the copy roller.A turning arm 36 is turnably disposed on a tool post 30 disposed on a saddle. A first arm part 36a of the turning ...
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JP2002160103A |
To prevent roughness and a shape change of a machined surface even when a tool abrades due to grinding work of a workpiece to increase vibration.This curved surface machining device comprises a rotating means 9 for rotating the tool 8, t...
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JP3286172B2 |
To provide a safe tool in a tool in a tool to tear off a coating material coating an outer peripheral surface of a metallic material. In a tool to tear off a coating material coating an outer peripheral surface of a metallic material who...
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JP2002144103A |
To provide a cutting work method and a cutting work apparatus for cutting an end bearing with high accuracy.A work 7 is first temporarily held by a three-jaw chuck 41. At this time, holding jaws 43 of the three-jaw chuck 41 are fitted in...
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JP2002144105A |
To provide a high-accuracy optical surface even if a point of inflection is on a worked surface of a workpiece, or even if there are plural points of inflection thereon.According to this curved surface cutting method, a rotating tool 8 i...
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JP2002144102A |
To realize high-accuracy cutting work by restraining sedimentation of chips on a cutting face to prevent the roughness of the already worked surface from being deteriorated.According to this cutting work method, a cutting tool 2 fixed at...
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JP3284859B2 |
To obtain a strong pressing force to a cutting tool, by providing a nut to press in the axial direction, as well as to cover the rear end face of a set pin, being screwed to a screw formed on the outer periphery of the front end of a hol...
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JP2002137156A |
To provide a method for manufacturing an optical lens by which the peripheral wall surface of the optical lens is machined with high precision.This method for manufacturing an optical lens comprises an outer peripheral surface grinding p...
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JP2002126901A |
To provide a cutting work capable of machining even a curved surface, having a small radius of curvature, with excellent surface roughness in a short time.A cutting tool 2 is caused to effect movement in the cutting force direction and t...
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JP3280066B2 |
PURPOSE: To provide a tire shoulder part cutting device which effectively prevents the occurrence of defective quality by high-precisely cutting the pattern rest of a tire shoulder part without depending upon a manpower. CONSTITUTION: A ...
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JP2002120101A |
To prevent occurrence of fine pitch nonuniformity in a roll die.In this manufacturing method of a roll die, the roll die is manufactured using a roll die manufacturing device for manufacturing the roll die by rotating a roll die 19 to en...
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JP3276785B2 |
PURPOSE: To provide the cutting edge rotary cutting device which is able to treat ductile chips without disturbing the cutting work. CONSTITUTION: A moving bed 3 is provided along a power cable, which is to be processed, in a freely mova...
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JP2002113601A |
To provide a cutting device capable of shortening a machining time, enhancing a cutter life, shortening a tip setting time, and cutting expenses required for a cutter.This cutting device is equipped with at least two or more cutters 10, ...
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JP2002107637A |
To accurately work a lens fitting hole of a revolver of an assembled state.The revolver to which an outer wheel forming plural holes to be tapped of screws to be screwed into an objective on the same circumference, an inner ring supporte...
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JP2002103103A |
To provide a precision working device for successively working both end faces of a work by a tool in which errors caused in re-fitting the work can be eliminated by allowing the working of the work without detaching the work from a work ...
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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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JP2002103116A |
To provide a cutting device for a groove, capable of improving the machining accuracy, reducing the manufacturing cost, and shortening a lead time.This cutting device comprises a machining device having a spindle 16 rotating on a predete...
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JP3270666B2 |
To center the end of a pipe at highly precisely without affected by a sliding resistance in adjusting rigidity of the pipe, a center position of a pipe fixing chuck, etc. A center position of the end of a pipe 9 is measured by a measurin...
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JP2002089647A |
To provide a toroidal type continuously variable transmission capable of reducing wears of an initially coned disk spring and an input disc generated between the two, equipping them with an enhanced durability, and generating an appropri...
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JP2002509488A |
PCT No. PCT/IB97/00898 Sec. 371 Date May 18, 1998 Sec. 102(e) Date May 18, 1998 PCT Filed Jul. 18, 1997 PCT Pub. No. WO98/06526 PCT Pub. Date Feb. 19, 1998There is proposed an apparatus for machining pipe ends having a motor, a gearing a...
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JP2002079402A |
To provide a beveling machine for piping capable of surely beveling the end section of even the piping floating in the air impartially.The pipe 54 is fixed by a center adjusting bed 53 having a V shape groove 56 and a pipe retainer 64. S...
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JP2002066802A |
To provide a method of turning an eccentric position using an NC lathe, which can be executed on an existing NC lathe without addition of a new arrangement, while avoiding an increase in costs.A chuck 3 is fitted over the end of the main...
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JP2002066803A |
To provide a chamfering device capable of chamfering even an elliptic or bent pipe rod or a pipe rod of uneven thickness, in such a way that it is chamfered by an approximately uniform amount along its circumferential direction.The chamf...
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JP3260638B2 |
To cheaply machine a cam shaft without any necessity of facilities dedicated to machining by cutting the end of the cam shaft, providing a groove for positioning in a prescribed position in the cut end, and mounting a signal rotor having...
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JP2002052402A |
To improve machining accuracy by transferring an apparatus body along the end face of a workpiece such as a steel pipe, a plate and the like, or transferring the workpiece to stabilize transferring in machining such as cutting, grinding ...
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JP2002052445A |
To improve both working efficiency and dimension measuring accuracy.This cutting device 1 for cutting a long material 5 to be cut comprises moving means 2 to travel along the longitudinal direction of the material 5, cutting means 16 set...
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JP3258532B2 |
PURPOSE: To provide a method and a device that can cut each roller of a multiple roller type rolling mill in the state of the roller being fitted to the rolling mill. CONSTITUTION: In a multiple roller type rolling mill 1 forming a path ...
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JP2002046001A |
To form a traction face excellent in transmitting traction at a low cost when making grooves on the rolling element of a traction drive type transmission.The apparatus for machining fine grooves is provided with a tool 2 having an effect...
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JP2002041114A |
To solve the problem that it is necessary to prepare a long program in order to work a truncated pyramidal shape, and that it is difficult to hold the qualities of the side faces uniform.This controller is provided with a means for gener...
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JP2002039303A |
To reduce the rate of metallic contact so as to enhance the traction property of a traction drive by keeping thin the thickness of an oil film between both rolling elements.The traction drive includes a metallic input side rolling elemen...
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JP2002036004A |
To machine components of dynamic pressure bearing with high degree of design freedom or static pressure bearing in a simplified process.Tool notching amount is changed at a high speed synchronously with rotation angle of a bearing sleeve...
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