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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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JP2024048709A |
The present invention provides a grinding system and a grinding method that can easily suppress measurement errors in the outer diameter of a workpiece. A grinding system 1 includes a grindstone 11, an outer diameter measuring device 20,...
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JP2024046938A |
The object of the present invention is to improve dimensional accuracy by performing grinding without being influenced by in-process gauge values due to deformation of an annular workpiece. [Solution] The outer circumferential surface of...
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JP7457637B2 |
To provide a tailstock device capable of inhibiting the formation of rust, and a machine tool.A tailstock device 30 comprises: a tailstock shaft part 32 that has a tailstock center 31 for supporting a workpiece W between itself and a spi...
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JP7451948B2 |
To provide a processing quality prediction system that can predict a state of an affected layer generated in a work-piece, with higher accuracy.A processing quality prediction system 1 comprises: a grinder main body 11 that performs grin...
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JP7451949B2 |
To provide a processing quality prediction system that can predict a depth of an affected layer generated in a work-piece, with higher accuracy.A processing quality prediction system 1 comprises: a grinder main body 11 that performs grin...
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JP2024031191A |
An object of the present invention is to provide a grinding apparatus that forms a wafer in which the corner of the contact point between a circular concave portion of the wafer and an inclined surface does not form a rounded surface. [S...
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JP7442999B2 |
To provide a grinding unit that can rotate a grinding grindstone around a unique rotation axis different from a rotation axis of a tool spindle and a complex machining machine equipped with the same.The complex machining machine comprise...
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JP2024029210A |
The present invention is to automatically, quickly, repeatably, and accurately move a workpiece between tools without any manual intervention, such as grinding the inner diameter, outer diameter, and ribs of tapered roller bearing cones....
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JP2024026991A |
An object of the present invention is to provide a technique that can suppress a decrease in abnormality detection accuracy. An abnormality detection device 11 is a device for a grinding device 2 that performs a grinding process on a wor...
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JP2024026983A |
An object of the present invention is to provide a technique that can suppress the occurrence of data drop in which sound data cannot be acquired. An abnormality detection device 11 is a device for a grinding device 2 that performs a gri...
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JP7432885B2 |
To provide a roll cleaning device by which an operator can feel a pressing force onto a roll surface as if the roll surface is directly wiped even when separating far from a roll by remote control or the like, and further, the pressing f...
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JP7432082B1 |
The present invention provides a support device that reduces the amount of displacement in the cutting direction of a grindstone at a grinding point of a workpiece and improves grinding accuracy. [Solution] A workpiece support device 10 ...
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JP7431542B2 |
A tire grinding machine (10) includes a frame (14) having a plurality of vertically extending posts (22). A chuck assembly (16, 18) is associated with the frame and adapted to receive and rotate a tire. A grinding assembly (30) is associ...
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JP2024013968A |
[Problem] To provide a grinding device that can stabilize the posture of a workpiece during machining (grinding) and perform highly accurate grinding even if the workpiece has a large L/D. The present invention includes a work support me...
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JP7424463B2 |
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JP7417281B2 |
To provide a centerless grinder which can automatically adjust a positional relationship between a grinding grindstone, and a blade and an adjusting grindstone without use of a pressing mechanism which presses a work-piece from above.A c...
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JP2024004591A |
An object of the present invention is to provide a grinding device that can suppress a decrease in machining accuracy of a pin part even when there is a machining error in the diameter of a journal part. [Solution] A grinding device that...
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JP2024004925A |
An object of the present invention is to accurately and efficiently measure the outer diameter or inner diameter of a workpiece. [Solution] A measuring device 1 includes an inner diameter measuring section 10 that measures the inner diam...
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JP7413109B2 |
To provide a grinding defect prediction device which can predict that a surface roughness of a work-piece deteriorates and shape collapse thereof occurs during grinding, and can improve grinding yield.This grinding defect prediction devi...
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JP2024002285A |
The present invention provides a surface texture estimating device that improves surface texture estimation accuracy by alleviating the influence of noise due to an unstable gain frequency band of natural vibration characteristics. [Solu...
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JP2024001508A |
The present invention provides a surface texture estimating device that can improve the durability of an acceleration sensor. [Solution] A surface texture estimating device 2 includes a sizing device 3 that measures the diameter of a gri...
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JP2023182220A |
To provide a production system which can reduce a processing cost regardless of variation of workpieces.A data processing apparatus 7 constituting a production system 1 determines start positions X2 and X12 of an idle running operation S...
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JP2023179328A |
To provide a grinding stone upper slip detection method and device which can correctly detect the occurrence of upper slip of a grinding stone by using an AE signal being the vibration generated due to crushing of abrasive grains and a v...
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JP2023176891A |
To provide a grinding device comprising a valve which adjusts flow volume of grinding liquid according to grinding resistance.A grinding device comprises: a workpiece support portion which supports a workpiece rotatably around an axis; a...
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JP7395973B2 |
To provide a grinding device that can be suppressed from deterioration in processing accuracy due to influence of variation of an outer diameter of an object to be ground during grinding.A grinding device 1 comprises a grinding wheel hea...
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JP2023173377A |
To provide a cylindrical grinder which can suppress occurrence of breakage of an end part of a crystal rod and mechanical misalignment of a support unit, can reduce a required process time, and can reduce the need for maintenance of a pa...
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JP2023174510A |
To provide a crank shaft having excellent fatigue strength.A crank shaft 10 comprising a mechanical structure steel material includes a circular column-shaped sliding part 121, a fillet part 122 and a thrust part 123. The thrust part 123...
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JP2023172031A |
To provide a grinding device that can improve circularity of a work-piece even if the circularity of the work-piece is deteriorated during griding of the work-piece with a grindstone.The grinding device comprises a work-piece support par...
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JP7391476B2 |
A grinding method includes an oblique grinding step of rotating a grinding wheel about the central axis of a second shaft, tilting the second shaft to a first shaft of a rotatable chuck table such that the bottom of a first portion of th...
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JP7390756B1 |
[Problem] To facilitate the work of hollowing out the tip of a wooden bat and to improve safety. [Solution] The wooden bat processing device P rotatably supports the grip end GE of the wooden bat WB, and includes a rotating part 10 that ...
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JP7388528B2 |
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