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Patent Searching and Data


Matches 601 - 650 out of 8,906

Document Document Title
WO/1992/010331A1
A grinding device is provided for machining and facing workpiecies made of resilient or semi-resilient materials. Said device comprises means (31) for holding the workpiece being processed after the machining operation to allow facing th...  
WO/1992/010333A1
A machine for grinding the outer metering edge contours on the edges of the axially extending grooves of a power steering gear input-shaft (10) in which a substantially cylindrical grinding wheel (40) whose working surface is dressed par...  
WO/1992/003313A1
An apparatus (20, 20a) for cleaning the rim (29) of a vehicle wheel which includes a buffer wheel head (30, 30a) mounted adjacent a wheel mounting device (34, 103) and being pivotable toward the rim about a first axis which is parallel t...  
WO/1991/014535A1
A process for machining rolls and similar work pieces, especially for grinding the roll surface to a desired shape which process is characterized by continuously mesuring the distance between the part of the work piece (1) which is subje...  
WO/1991/012110A1
In the process of internally grinding bores with the aid of a slightly conical grinding wheel (15) in a computer controlled manner, the rotational axis (14) of the grinding wheel is adjusted to a small angle (alpha) in relation to the ro...  
WO/1991/011291A1
A workpiece support apparatus (10) for centerless grinding includes a rotatable base mountable to a standard grinding machine (15) and a carriage assembly mounted on the rotatable base (17). The carriage assembly (20) has a motor driven ...  
WO/1991/010532A1
The invention relates to a process and a device for dressing truncated conical tips of electrodes (1, 2) in a spot welding gun, press or the like. According to the process, each electrode tip is dressed both on its truncated conical late...  
WO/1990/014925A1
The machine contains a stand (1) provided with transverse guides (37, 38) and longitudinal guides (2, 3). On the transverse guides is mounted the table carrying the external grinding post and kinematically connected to the stand (1). On ...  
WO/1990/009870A1
The invention relates to a method and an apparatus for fine-working or microfinishing of workpiece surfaces, particularly rotationally-symmetrically moved workpieces (38) with oscillating or rotating tools such as honing stones (18) or f...  
WO/1990/002024A1
In a centreless circular grinding machine with a driven grinding wheel (3), a control wheel carriage (4) which carries a drivable control wheel (6) travels along a machine bed (1). The adjustment movement of the control wheel carriage (4...  
WO/1989/011952A1
Where a circumferential surface has to be ground on a workpiece and the workpiece is being rotated around an axis which is not concentric with the surface, both the grinding wheel axis and the workpiece rotation axis are displaced during...  
WO/1989/003269A1
A surfacing machine mountable within a bore of a workpiece includes a tubular turning bar (120) supported by chucks (126, 128) engaging the workpiece and having independently adjustable legs (130) and a bearing arrangement which permits ...  
WO/1988/004594A1
In a centerless circular grinding machine having a grinding wheel (6), a regulating wheel (7) nearly parallel to the axis thereof and a guiding rail (11) arranged therebetween, the axes of rotation of the grinding wheel (6) and the regul...  
WO/1988/003866A1
A combination force variation tire grinding and tire balancing machine in which a tire and wheel assembly (TA) is mounted on a single shaft (40) and the tire and wheel assembly is corrected by first force variation grinding thereof and t...  
WO/1988/000512A1
For grinding directly between tips a moulding blank (18) that must be ground to size at one or several of its cylindrical or conical areas (3, 4) as well as at one of its ends (10) without having to shift it, a U-shaped back rest (23) is...  
WO/1988/000513A1
In order to form turned parts (18) out of a steel rod (13) merely by grinding, the latter is clamped between opposite clamping tongs (14, 16) and shaped by two profile grinding wheels (20, 20') working simultaneously or one after the oth...  
WO/1987/003237A1
To avoid manual rotation of the rotary table (3) on the longitudinal slide (2) of an NC grinding machine fitted with a grinding wheel (1), when a tapered section is being ground on a component next to a cylindrical section, a NC-controll...  
WO/1987/002281A1
A device for the machining of the shell surfaces of the drying cylinders of a paper machine and particularly for the grinding thereof, which device comprises a carriage (1) which is displaceable in the direction of the length of the dryi...  
WO/1985/002359A1
A method for making a cylindrical surface which is substantially directionally balanced hydrodynamically when rotated neither direction and can be used as a contacting surface in engagement with a radial lip oil seal. The micro-abrasions...  
WO/1985/002140A1
The apparatus provides rigid support (30) for the grinding wheel (25) by having the wheel shaft (26) off centre in the support housing (30). The one-piece housing can now have mass and bulk disposed in the plane of the contact force, for...  
WO/1984/002101A1
A centerless grinding system comprises a driven grinding wheel (20), a driven regulating wheel (26), and a work rest blade (25) for centerless grinding of a workpiece supported by the work rest blade between the grinding wheel (20) and t...  
WO/1983/002411A1
In a turning machine for machining crankshafts of the double excentric type, the rotary bush (51) is arranged in an inner excentric (11) which is guided in an outer excentric (15) rotatingly held in a casing. The mutual position of the t...  
WO/1983/001033A1
The bore grinding machine comprises a rotary table (44) having a workpiece clamping surface (46), an adjusting carriage (53) movable on a column, along an adjusting slide (50), and on which are mounted a grinder support (56) with a drive...  
WO/1982/003354A1
An inner surface grinding machine which grinds or polishes the inner diametrical surface or the like of a cylinder or ring gauge. A plurality of abrasives (256) are movably held on an abrasive holding member (251) along the radial direct...  
WO/1981/001896A1
Digital control system for positioning a tool relative to a workpiece. The tool is preferably a grinding wheel (10) and the workpiece is a roll appropriately mounted within a roll grinding machine. The digital control system receives var...  
WO/1981/000534A1
The device for abrasive conditioning billets with a form of body of revolution is intended for use in the shops of metallurgical and engineering plants for rough-machining of external surfaces of billets. The device comprises two grindin...  
WO/1980/002525A1
The ends (14, 16) of cylindrical bushings (10) in which pins rotate bear relatively heavy loads. This can lead to a slight internal deformation of the bushing (10) which can interfere with free rotation of the pin. Such a problem is enco...  
WO/1980/001261A1
The process for grinding, polishing or the like curved surfaces of non-metallic solid bodies particularly glass bodies, employs a tool (7) of which the shape is at least partially adapted to that of the surface to be machined and which i...  
JP2021526980A
The multi-tool positioning and manufacturing system moves the workpiece between a number of tools, such as grinding wheels, each performing the workpiece manufacturing operation. The system automatically, quickly, repeatably and accurate...  
JP2021160971A
To provide a method for manufacturing a SiC wafer capable of increasing the yield of a SiC wafer or a product yield of a semiconductor chip, which can be produced for a SiC single crystal ingot being manufactured. When forming a columnar...  
JP2021154466A
To limit the fall of a work during grinding by a fall prevention pin so that the outer diameter of the work can be safely ground while preventing the work from falling off during grinding. When grinding the outer diameter of a work W wit...  
JP6945719B2
A workpiece spindle for a magnetic-shoe external cylindrical grinding machine a spindle for rotating a ring-shaped workpiece, a holding device for holding the ring-shaped workpiece and a hydraulic magnetic core lifting device coupled to ...  
JP6943693B2
To provide a processing device that can perform both cutting processing and honing processing alone, is small-sized and does not require a complicated structure.The processing device, in which a cutting processing unit 6 having a cutting...  
JP6943692B2
To provide a processing device that can perform both cutting processing and honing processing alone, is small-sized and does not require a complicated structure.The processing device, in which a cutting processing unit 6 having a cutting...  
JP6943691B2
To provide a processing device that can perform both cutting processing and honing processing alone, is small-sized and does not require a complicated structure.The processing device, in which a cutting processing unit 6 having a cutting...  
JP2021146443A
To provide a technique capable of manufacturing a different-diameter cylindrical body having a high coaxiality. After rough cutting and semi-finishing are completed, the inner peripheral surface of a first round hole 310 of a work 100 fi...  
JP2021146406A
To provide a processing apparatus or the like for reducing the labor of processing the inner peripheral surface of a flexible member. A processing apparatus includes a plurality of members, and a drive member which is one of the pluralit...  
JP2021150347A
To provide a grinding method for reducing the amount of chips generated on the back surface side of a ring-shaped reinforcing portion. In a grinding method, a grinding wheel 18 having a diameter smaller than the diameter of a chuck table...  
JP2021146471A
To polish an outer peripheral surface of a rotor having a high degree of concentricity between an outer peripheral surface of the rotor and an outer peripheral surface of a shaft, to suppress vibration of the rotor due to rotation, round...  
JP2021146489A
To provide a grinding processing defect prediction device capable of predicting that the surface roughness of a work material deteriorates or shape collapse occurs during grinding processing and improving the grinding yield. A change in ...  
JP6938853B2
To provide a grinder capable of confirming an appropriate implementation of truing.A grinder 1 comprises: a spindle stock 20 for rotatably supporting a work-piece W; a grinding wheel 50 for grinding the work-piece W; a truer 60 for truin...  
JP6938852B2
To provide a grinder capable of confirming an appropriate implementation of truing.A grinder 1 comprises: spindle stock 20 for rotatably supporting a work-piece W; a grinding wheel 50 for grinding the work-piece W; a truer 60 for truing ...  
JP2021137837A
To provide an evaluation method of a cold rolling roll in which an evaluation standard capable of quantitatively evaluating a feed mark on a surface of a rolling roll is determined in advance and the usability of the rolling roll after g...  
JP6927779B2
To provide a working apparatus that can perform grinding and honing by one apparatus, and is small and does not require complicated configuration.The working apparatus comprises: a tool table 41 which is movable in a Z direction and in w...  
JP2021122913A
To provide a polishing apparatus capable of easily polishing an outer peripheral surface of a crank pin. A polishing device 1 is attached to a base 20 extending in the longitudinal direction, which is the axial direction of a crank pin 1...  
JP6926626B2
To provide a grinder system capable of achieving enhancement of processing efficiency while executing truing at an optimum period.A grinder 1 has a truer 60 which carries out truing of a grinding wheel 50, a sensor 100 which detects surf...  
JP6926605B2
To provide a grinding machine utilizing a tailstock whose structure can be simplified.A tailstock 30 comprises: a first body 110 which is mounted with a center 100; and a second body 120 which can move in a rotation axis-line direction o...  
JP6926816B2
To provide a grinding device configured to accurately grasp a diameter of a grinding wheel at low costs so that the grinding wheel can be used to use limit.A control device comprises: a pin-length memorizing part 94; a pin-length renewin...  
JP6917904B2
Described is a method for grinding workpieces, which comprise at least one cylindrical and profiled portion each, on one and the same grinding machine. The workpiece is ground initially in a first grinding operation in a first clamping i...  
JP6917116B2
An apparatus and method for safely and efficiently polishing the work rolls of a metal sheet or plate leveler. The apparatus includes a support and one or more polisher assemblies to be inserted between the upper and lower work rolls of ...  

Matches 601 - 650 out of 8,906