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Patent Searching and Data


Matches 501 - 550 out of 8,856

Document Document Title
WO/2000/035631A1
The invention relates to a method for controlling the process during rough grinding of a workpiece (2) in which, according to the invention, the workpiece (2) is measured during grinding by a sensor (13) to ascertain an actual size, and ...  
WO/2000/033984A1
In the manufacture of a guidewire for medical applications, a mandrel (14) is formed using a wound wire having a first diameter (D1). The wound wire is straightened and cut to appropriate size. Subsequently, the wire is ground down, usin...  
WO/2000/027588A1
An apparatus, in particular for pointing electrodes for TIG welding, is described, wherein the electrode (8) is fed toward the side of a grinding disc (3), whereby the electrode is pointed. The apparatus comprises a first element with an...  
WO/2000/026631A1
A method for directional force correction of pneumatic tires that simultaneously corrects radial and tangential force exerted by the tire (12). The method allows for the correction of tangential force regardless of the rotational directi...  
WO2000009290B1
The invention relates to a grinding machine comprising at least one bed, feed slides and a grinding table with superstructures, which further presents a turning-tool holding fixture (6) for hard machining. The invention also relates to a...  
WO/2000/015388A1
A tire grinding apparatus (10) comprising at least one support arm (30) pivotally connected to a base; and a leading and trailing of grinding wheels (40, 42) rotatably carried by the spport arm (30) to engage the outer surface (12) of a ...  
WO1999067052A3
An extremely precise computer controlled grinding machine (10) having the capability to write its own computer programs for controlling the grinding machine (10) to perform individual tasks, including both grinding and dressing to severa...  
WO/2000/009290A1
The invention relates to a grinding machine comprising at least one bed, feed slides and a grinding table with superstructures, which further presents a turning-tool holding fixture (6) for hard machining. The invention also relates to a...  
WO/2000/007787A1
A method for grinding structural components, such as stone or conrete columns or slabs. According to the invention, the structural components are set in motion in relation to each other with their surfaces in contact with each other, to ...  
WO/1999/067055A1
A grinding machine has a wheelhead (30) movable under computer control perpendicular to the axis of a composite workpiece, mounted between a headstock (16) and a tailstock (20), and workrests (36 to 42) slidable along front and rear rail...  
WO/1999/067052A2
An extremely precise computer controlled grinding machine (10) having the capability to write its own computer programs for controlling the grinding machine (10) to perform individual tasks, including both grinding and dressing to severa...  
WO/1999/061203A1
The invention concerns a machine tool for machining rotating parts (300a and 300b) comprising, arranged on a frame (B) in a common horizontal plane: a machining station (100) equipped with at least one tool (110); and two machining stati...  
WO/1999/061189A1
The invention concerns a machine tool (M) characterised in that the rotating tool (111 or 111') ensure partial machining of the crankshaft (Va) bearings (Pa) and crankpins (Ma) on one first work station (220a or 200b) and the same rotati...  
WO/1999/059774A1
A machine tool wherein a unit (42) for supplying machining fluid to the machining area of a tool (T) when a work (W) is machined with the tool (T) detachably fitted to the main shaft (12) of the tool is provided with a fluid ejecting por...  
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...  

Matches 501 - 550 out of 8,856