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Patent Searching and Data


Matches 501 - 550 out of 8,784

Document Document Title
WO1998058767A3
A pair of grinding wheel carriages (26), each carrying its own grinding wheel (152, 162), are both carried by a grinding machine (20) to one side of a work carriage and workpiece (40) when carried thereby. The workpiece (40) is, in this ...  
WO1999039872A9
A motorized spindle asembly for a grinding wheel is fabricated with an opening extending through the spindle casing, and stator and so as to extend in the direction of the spindle axis of rotation at least the length of the stator. The o...  
WO/1999/051396A1
A polishing device capable of polishing a work by rotating the work while pressing a polishing tape against the work by a pressing member from its rear side, comprising an oscillating type holding device (260) which holds the pressing me...  
WO/1999/042248A1
The apparatus is used to grind, polish or clean etc. the surfaces of a cylindrical object such as a pipe. A main body (1) has at least two rotary shafts (5) which receive machining tools (22, 23, 24) such as, for example, grinding wheels...  
WO1999033609B1
A machining device using a cool air cooling which can reduce effects by heat on a work and a machining tool and improve a machining precision. Specifically, a method of grinding a work (W) with a cooling air supplied to the work (W), a g...  
WO/1999/039872A1
A motorized spindle asembly for a grinding wheel is fabricated with an opening extending through the spindle casing, and stator and so as to extend in the direction of the spindle axis of rotation at least the length of the stator. The o...  
WO1999026755A3
A cylindrical grinding machine has an active center apparatus (10) for sensing and correcting force level and vibrational frequencies. The active center apparatus (10) has embedded shear load sensors (40) and imbedded actuators (60). The...  
WO/1999/033609A1
A machining device using a cool air cooling which can reduce effects by heat on a work and a machining tool and improve a machining precision. Specifically, a method of grinding a work (W) with a cooling air supplied to the work (W), a g...  
WO/1999/032258A1
The invention relates to a device and method for polishing a workpieces, especially part of a shaft. According to the inventive method, the workpiece is clamped in order to be polished by means of grinding. Its geometry is subsequently r...  
WO/1999/028085A1
The invention relates to a roll grinding machine (2) for grinding contours of rollers which comprises a structurally simple device provided for very precise corrections of a grinding wheel (4) tangential to the roller contour. Said grind...  
WO/1999/026755A2
A cylindrical grinding machine has an active center apparatus (10) for sensing and correcting force level and vibrational frequencies. The active center apparatus (10) has embedded shear load sensors (40) and imbedded actuators (60). The...  
WO/1999/024206A1
An electrolytic abrasive polishing machine for precisely polishing the inner surface of an elongated cylindrical work such as a metal pipe, comprising a holder (13) for disposing a cylindrical work (W) so that the axis of its cylindrical...  
WO/1999/023486A1
A method of ultrasonically detecting a flaw on the surface of a circular cylinder by using a surface wave, aiming at preventing the over-detection of primary cracks, reducing the level of noise from a grain boundary and improving the fla...  
WO/1999/019114A1
A centreless grinding machine (2) having a control wheel (4) and a grinding wheel (8) for machining cylindrical workpieces is adjusted prior to a machining operation using a setting component (20) having the same diameter as the workpiec...  
WO/1999/019113A1
A centerless grinder includes a grinding wheel (17) pivotable through an angle on a carriage (12) which itself has movement about mutually perpendicular axes in the plane of the machine bed. An upper clamp roller (34) is provided to reta...  
WO/1999/001254A1
An internal abrasive machine for inner surfaces of annular work pieces, and comprising a rotated driven spindle (16) carrying a tool (18), chucking equipment (14) for a work piece (15) to be machined, and feeding means (10, 11) for relat...  
WO/1999/001253A1
An external abrasive machine, in particular an external grinder for removal of material from the outer envelope surface of annular work pieces, and/or from flanges associated therewith, and particularly bearing race rings, and of the typ...  
WO/1998/058767A2
A pair of grinding wheel carriages (26), each carrying its own grinding wheel (152, 162), are both carried by a grinding machine (20) to one side of a work carriage and workpiece (40) when carried thereby. The workpiece (40) is, in this ...  
WO/1998/055260A1
The invention concerns a rotating metal part (1) having an external surface (3) with in axial cross-section a general profile consisting of a regular series of flattened convex arches (4). The invention also concerns a polishing method w...  
WO/1998/051432A1
Deep rolling equipment for cold working fillet radii of annular undercuts (F, F') on opposite sides of crankshaft journals has pairs of jaws (42, 43) movable between an open position for receiving the crankshaft journals and a closed pos...  
WO/1998/045086A1
The invention relates to a method for rotationally symmetrical machining of parts, specially crankshafts, more specifically bearing surfaces of crankshafts, until said parts are ready for use, i.e. a state in which no further material ne...  
WO/1998/042479A1
The invention relates to a part for polishing, comprised of a substrate of a rigid material and an underlying flexible support. The substrate consists of contacts (1) separated by intervals (3, 4), said intervals (3, 4) defining at least...  
WO/1998/031517A1
The invention relates to a device for rotational cutting of band-shaped material, comprising a rotational cutting cylinder which is fitted with at least one cutting edge and a counter-tool (2), wherein the band-shaped material is passed ...  
WO/1998/030942A1
In a machine tool, a component such as a grinding wheel (4) acts on a workpiece (2) to form the latter into a circularly asymmetric shape, for example, a crankpin. Movement of the grinding wheel is controlled by a control signal which is...  
WO/1998/026901A1
A surface polishing machine (10) for polishing a workpiece (22), including a body member (18) adapted to be positioned adjacent the workpiece (22) and having first and second pivot means (44, 46), a pair of polishing arms (14, 16), each ...  
WO/1998/024590A1
A method and apparatus for centerless grinding of one or more tapered sections in a length of wire W in which the wire W is advanced through a gap formed between a rotating work wheel A and a regulating wheel R, and the gap is adjusted i...  
WO/1998/021007A1
A crankpin phase indexing apparatus for indexing a crankpin on an axis of a main spindle in a crankpin grinding machine, and a method therefor. The apparatus comprises a main spindle (22) having a chuck body (25), a phase rotating shaft ...  
WO/1998/010891A1
In a method of grinding a crankshaft component, the latter is engaged by a grinding wheel and ground until about 50 microns oversize. The wheelfeed is then arrested and gauging of diameter and eccentricity takes place over several revolu...  
WO/1998/009772A1
A variable volume coolant system (42) for delivering liquid coolant. A first conduit path (46) is defined between a source of liquid coolant and a nozzle (40) for delivering coolant to the gap defined between the machine tool (34) and th...  
WO/1998/009771A1
A method and apparatus for grinding crankshafts or similar devices in which one of the crankpins of the crankshaft is machined and subsequent to this machine step, the actual dimension of the crankpin is measured. This measured value is ...  
WO/1998/008629A1
Cold rolling equipment in which a rolling roll which surface is deteriorated through rolling is ground on a grinding truck provided on a side of a roll replacing truck opposite to a rolling mill without being transferred to a grinding ma...  
WO/1998/005473A1
A sizing and finishing machine includes a mechanism for rotating an associated workpiece (50) and a first microfinishing belt (16) for selectively contacting the associated workpiece (50). The belt (16) has a maximum grit size of 60 micr...  
WO/1998/003303A1
The time to grind a workpiece can be reduced by selecting a grinding wheel whose width is not substantially greater than wheel strength considerations require, and which may therefore be less than the axial length of the region to be gro...  
WO/1998/003304A1
To create an especially compact and effective grinder, the invention provides a rolling stand (6) that has two mutually spaced side parts (8, 10) connected by a cover piece (12). Attached to the rolling stand is a belt sanding device (18...  
WO/1997/048525A1
A workpiece alignment and shifting system for moving circular workpieces from a first inspection station to a second machining station, comprises workpiece holding means for attachment to the face of a disc workpiece to move the latter f...  
WO/1997/048526A1
A grinding or polishing machine comprises a rigid platform on which a workhead spindle and a grinding wheel spindle are located. The grinding wheel spindle is mounted on a sub-assembly which is attached to the platform by means of flexur...  
WO/1997/048522A1
A method of grinding the edge of a disc uses a grinding machine having mounted thereon a grooved grinding wheel, in which the groove is formed in situ using a forming wheel also mounted on the grinding machine. After a workpiece has been...  
WO/1997/043088A1
The invention relates to a device for grinding-in cylindrical surfaces of workpieces, e.g. the bearing surfaces of crankshafts or the like, in which the workpiece (2) is arranged to rotate and can be driven at low speed. The device has a...  
WO/1997/040432A1
A method is described for grinding a composite workpiece (18) to form a component having concentric (31) and eccentric cylindrical regions (30). The method comprises mounting the workpiece (18) in a computer controlled grinding machine (...  
WO/1997/039844A1
Method for the maintenance of rolls/shells for rolling materials, e.g. light metals/aluminium, and casting of such materials in rolling mills, characterized in that the small ridges which are created on the surface of the roll during ope...  
WO/1997/031754A1
A support shoe for supporting an abrasive tape (22) having an abrasive face and an opposed back face (30), wherein the support shoe comprises a pressure face (18) including a frictional engagement material for frictionally engaging the b...  
WO/1997/031755A1
An apparatus for grinding surfaces comprising a frame (1, 2), machine tools (3, 4, 5, 6, 7) attached to the frame, and several bearing elements (11, 12, 13, 14, 15, 16) attached to the frame which include a bearing surface (20) leaning o...  
WO/1997/026113A1
Because the honing wire (15, 14) is freely introduced into the workpiece (16) only from one side, the honing machine (1) can be so designed originally that fully-automatic operation is made possible. The demand for steadily-increasing nu...  
WO/1997/020661A1
A spindle, comprised of a spindle body (68) and an indexing fixture (29), is configured to retain, and rotatingly drive, a crankshaft (10) relative to a grinding tool, so that each pin (16) on the crankshaft (10) is ground with a high de...  
WO/1997/019784A1
In a crank pin grinding machine, device and method for indexing the phase of a crank pin that can index the phase while a spindle is being rotating. The device comprises a pair of spindles (23, 24) disposed on a first axis ('alpha') so a...  
WO/1997/013614A1
A device for measuring and/or checking the diameter of a cylindrical part (2) moving orbitally about an axis (3) during a grinding process. The device comprises a measuring head (7) coupled to a holder (18, 22) which is provided with a m...  
WO/1997/012724A1
An apparatus for checking the diameter of crankpins (18) of a crankshaft (34) in the course of the machining in a grinding machine comprises a first arm (9) rotating with respect to a support (5) arranged on the grinding-wheel slide (1) ...  
WO/1997/010072A1
The invention relates to a device for the grinding of drafting rolls (7) with an emerizing roll (2), at which a drafting roll (7) can be advanced to the emerizing roll casing on one side thereof by an automatically driven carriage (6) ho...  
WO/1997/000755A1
A method of supporting a workpiece having journal and eccentric regions, in a grinding machine for grinding the eccentric regions thereof, is described which involves mounting the workpiece in a headstock of the grinding machine, providi...  
WO/1996/025271A1
A method and apparatus (100) for grinding a surface (104) on a workpiece (102), such as a spignot on a pipe, while supporting the workpiece (102) on the surface being ground (104). The grinding apparatus (100) includes workpiece support ...  

Matches 501 - 550 out of 8,784