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WO/2003/090970A1 |
A portable precision flange grinder grinds a flange on a duct (10). The flange has an axis, a radius, and a periphery. A mount (21) mounts the grinder within the duct. The mount attaches to openings at ends of the duct. A grinding wheel ...
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WO/2003/086703A1 |
Bonded abrasive tools, having novel porous structures that are permeable to fluid flow, comprise a relatively low volume percentage of abrasive grain and bond, and a relatively low hardness grade, but are characterized by excellent mecha...
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WO/2003/086702A1 |
Grinding of mill rolls is carried out with chatter resistant abrasive grinding wheels having relatively low elastic modulus values and relatively hight burst speed values. Grinding operations may be carried out at high efficiency with co...
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WO/2003/086704A1 |
A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 a...
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WO/2003/080292A1 |
The invention relates to a machine (1) for grinding the blades of a turbine rotor (2) or a compressor. The inventive machine consists of a rotary head (6) which is provided with two different grinding wheels (7, 7') for grinding the roto...
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WO/2003/081512A1 |
A computer (100) located within an electrical console (102) and a rotationnaly operating machine generally denoted by the number by the numeral (10). As must be noted, the rotating machine of the present example and figures can be used f...
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WO/2003/062654A1 |
The invention relates to a method for machining crankpins (3) of a crankshaft (1) by pre-machining and finishing the bearing surface (8) for the connecting rod bearing of the crankpin (3). In the event of an extended course (hv) of the c...
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WO2002081147A3 |
The invention relates to a method for producing gear plates (1) for a continuously variable gearbox wherein at least two gear plates (1) with the transmission surfaces (2) thereof are arranged in an opposite manner. When the gearbox is i...
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WO/2003/022521A1 |
The invention relates to a device for the grinding of central bearing positions on crankshafts with several grinding discs employed simultaneously. An additional machining unit (11) for the pre-working of at least one central bearing pos...
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WO2002062528A3 |
The invention described herein discloses a chemical mechanical machining and surface finishing process. A conversion coating is formed on the surface of a workpiece and is removed via relative motion with a tool, thereby exposing the wor...
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WO/2003/015983A1 |
During centerless cylindrical grinding, attention must be paid to the fact that the workpiece (3) is placed in a very specific position between the grinding wheel (1), the regulating wheel (2) and the support guide (4). The optimal posit...
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WO2002087823A3 |
Apparatus for machining the lateral surface of guide wheels (131) of grinding machines (100) also comprising an operating wheel (111), which wheels (131, 111) rotate about respective longitudinal axes parallel to each other, said apparat...
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WO/2002/092282A1 |
The present invention concerns a method and device for machining roller conveyor rollers while they are installed in the roller conveyor. The rollers are machined using a machining device according to the present invention, having a supp...
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WO/2002/090047A1 |
An apparatus (10) for checking the diameter of an eccentric pin (8') of a small-size shaft (8), for example a shaft for compressors, includes a support (16), a first arm (19) rotating with respect to the support (16), a second arm (22) r...
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WO/2002/087823A2 |
Apparatus for machining the lateral surface of guide wheels (131) of grinding machines (100) also comprising an operating wheel (111), which wheels (131, 111) rotate about respective longitudinal axes parallel to each other, said apparat...
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WO/2002/081147A2 |
The invention relates to a method for producing gear plates (1) for a continuously variable gearbox wherein at least two gear plates (1) with the transmission surfaces (2) thereof are arranged in an opposite manner. When the gearbox is i...
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WO/2002/078897A1 |
The invention relates to a method for producing a deep rolling roller (1) for a deep rolling tool for deep rolling radii or passes on the bearing and crank pins of the crankshafts of automotive engines. The inventive method is characteri...
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WO/2002/076676A1 |
The invention provides a method of reducing thermal distortion in grinding machines. Such machines each comprise a machine base (60) and a grinding wheel (50) for grinding components in the machine (10). The method includes the steps of:...
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WO/2002/070195A1 |
An apparatus for checking the diameter and the roundness of pins, for example crankpins and main journals of a crankshaft rotating about its main axis of rotation (8), includes a measuring device, coupled to a Vee-shaped reference device...
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WO2002051585A3 |
The invention relates to a device (1) for grinding an external sleeve surface (3) on a rotationally symmetrical body (2), in particular for grinding a roller on a paper machine, comprising a support frame (11), displaceable along the ext...
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WO/2002/064313A1 |
The apparatus is used to grind, polish or clean etc. the surfaces of an object such as a pipe. The apparatus comprises a rotary tool (1) having an axis of rotation, at least one wall and a chamber defined between the axis and the wall fo...
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WO/2002/062528A2 |
The invention described herein discloses a chemical mechanical machining and surface finishing process. A conversion coating is formed on the surface of a workpiece and is removed via relative motion with a tool, thereby exposing the wor...
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WO2001068314A3 |
The invention relates to a machining center provided with a workpiece machine tool. Said machine tool comprises: an essentially horizontal working plate (10) which is supported by a machine tool stand (2); a workpiece support (20) which ...
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WO/2002/055260A1 |
The invention relates to a method for operating a centreless grinder for the throughfeed grinding of longitudinal workpieces (1), such as bars and pipes. Said grinder comprises a grinding unit with at least one driven grinding disc (3), ...
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WO/2002/055262A1 |
The invention relates to a centreless grinder (1) for the throughfeed grinding of longitudinal workpieces (2), such as bars or pipes. Said grinder comprises a grinding unit (3, 4) with at least one driven grinding disc, which is borne by...
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WO/2002/051585A2 |
The invention relates to a device (1) for grinding an external sleeve surface (3) on a rotationally symmetrical body (2), in particular for grinding a roller on a paper machine, comprising a support frame (11), displaceable along the ext...
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WO/2002/043919A1 |
The invention relates to a method and to a device for producing molds for toothed belts. A grinding wheel (9) that has a profiled periphery is used instead of a milling cutter to provide the circumference of a roller-shaped blank (4) wit...
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WO2001030534A3 |
A method is disclosed in which the component is rotated through only one revolution during a finish grinding step, and the depth of cut and the headstock (12) velocity are controlled during the signal rotation, so as to maintain a substa...
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WO/2002/036305A1 |
A centreless cylindrical grinding machine, for through-feed and in-feed grinding of various workpieces (8), has a first driven positioning axis X¿S? for a grinding spindle head (2) with a grinding wheel (1) and a second driven positioni...
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WO/2002/034466A1 |
The invention relates to a method and a device whereby crankshafts (1) can be machined at the appropriate machining points (lifting bearing points, main bearing points, sides of shaft flanges, end pins/end flanges) on a machine, by means...
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WO/2002/032621A1 |
The grinding machine according to the invention comprises a first support (1) designed to support a tyre (2) in a vertical position and able to rotate about a first horizontal axis (3), a second support (7) positioned vertically on one s...
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WO/2002/024406A1 |
The device for conditioning the inner surface of a chemical tank by grinding, which device includes means for supporting the frame (19) of he device on the wall (3) of the tank and rotatable grinding means (33, 40) attached to the frame,...
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WO/2002/022284A1 |
The invention relates to a roller cage (6) for at least one hard-rolling roller (3) of a tool for hard-rolling grooves or radii on bearing points (1) of crankshafts, whereby the hard-rolling roller (3), on a section of the periphery ther...
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WO2001071171A3 |
An apparatus for the in situ superfinishing of crankshaft thrust bearing surfaces (14) includes an oscillator (22), an oscillation arm (24) connected to the oscillator (22) such that the oscillation arm (24) is reciprocable by the oscill...
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WO2001056738A3 |
A machine for carrying out mechanical workings preferably by shaving removal comprises frame means (4) arranged for receiving a semi-worked piece (P) to be worked, the semi-worked piece (P) having a cross section exhibiting dimensions re...
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WO2001066306A8 |
An apparatus and a relevant method for checking a crankpin (18) of a crankshaft (34) positioned on a numerical control grinding machine where it is worked includes a gauging head (39) with a Vee-shaped reference device (20) and a feeler ...
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WO2001066305A8 |
An apparatus for checking diametral dimensions of crankpins (18) and main journals (38) in the course of the grinding includes a head (39) with a Vee-shaped reference device (20) and an axially movable feeler (17), along a direction that...
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WO/2002/007920A1 |
Known headstocks are relatively long since clamping chucks, the rotationally mounted spindle and the clamping cylinder etc are situated axially behind each other. The invention provides for a shortening of the headstock by accommodating ...
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WO/2002/006008A1 |
A contact-discharge truing/dressing method and a device therefor, capable of very simply conducting truing/dressing of a superabrasive grindstone, especially a superabrasive grindstone having metal binder. The contact-discharge truing/dr...
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WO2001045544A3 |
Vacuum cleaner for industrial and domestic applications, in which the sucked up dust is collected in a vessel (1) filled with water (7). The necessary sucking action is generated with an air pump (2) or with a venturi (16), located in a ...
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WO2001038045A8 |
An assembly (10) for holding a cylindrical workpiece (12) for grinding. A support frame (11) includes a support arm (17) to initially hold the workpiece, a tailstock (20) mounted on the support frame to engage the proximal end (13) of th...
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WO2001070456A3 |
An automatic gage head positioning system (10) especially adapted for CNC grinding of reciprocating engine crankshaft journals (22). The system (10) incorporates an actuated fourbar linkage mechanism for accurately controlling the path o...
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WO/2001/094669A1 |
A polycrystalline silicon rod having a jointing structure which allows jointing a plurality of rods with one another at their end portions with stability and in a manner such that the plurality of rods can be suspended with ease; and a m...
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WO/2001/091967A1 |
A centerless grinding machine (1) comprising a bed (108), a grinding wheel head (101), an adjusting grinding wheel head (102), and a work rest (103), wherein the grinding wheel head (101) and the adjusting grinding wheel head (102) are m...
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WO/2001/089748A1 |
The invention relates to a method for reprofiling wheel discs (7) or brake discs of a train wheel or wheel set (6) that is rotatably mounted in bearing housings (9), by machining the same using a mobile machine tool (12). According to sa...
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WO/2001/070457A1 |
The present invention provides exemplary cluster tool systems and methods for processing wafers, including exemplary double side polishing (DSP) and grind polishing systems and methods. One DSP system includes a first plate (710) having ...
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WO/2001/070455A1 |
Roll grinding techniques involving a grinding wheel which grinds a rolling roll, characterized in that the rotating center axes of the rolling roll and the grinding wheel are disposed so that they are present on one plane, on the extensi...
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WO/2001/070456A2 |
An automatic gage head positioning system (10) especially adapted for CNC grinding of reciprocating engine crankshaft journals (22). The system (10) incorporates an actuated fourbar linkage mechanism for accurately controlling the path o...
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WO/2001/071171A2 |
An apparatus for the in situ superfinishing of crankshaft thrust bearing surfaces (14) includes an oscillator (22), an oscillation arm (24) connected to the oscillator (22) such that the oscillation arm (24) is reciprocable by the oscill...
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WO/2001/068314A2 |
The invention relates to a machining center provided with a workpiece machine tool. Said machine tool comprises: an essentially horizontal working plate (10) which is supported by a machine tool stand (2); a workpiece support (20) which ...
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