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WO/1999/024196A1 |
The invention relates to a method and device for machining workpieces with rotationally symmetrical surfaces, e.g. as they are used in crankshafts, reciprocating internal combustion engines, piston compressors etc., to reduce set-up time...
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WO/1999/022895A1 |
An apparatus (20) for counterboring a pipe (25) includes an expander unit (24), a shaft (26), a flywheel (30) rotatably and slidably mounted on the shaft, and a frame (34) mounted on the flywheel to be movable in a radial direction. The ...
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WO/1999/011434A1 |
A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the h...
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WO/1999/006168A1 |
An apparatus for taper-boring a bevelled surface (16) into an inner wall of a pipe fitting (10, 32). The apparatus comprising support means, in the form of rollers (24, 26, 28), for supporting the fitting on the apparatus; drive means fo...
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WO/1998/053245A1 |
The invention relates to the partial or complete use of a pressurized gas cylinder known per se for compressed, liquefied or dissolved gases as a liner for a composite cylinder. This enables production costs of a composite cylinder to be...
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WO/1998/048961A1 |
Apparatus for reconditioning the seal shoulders (20a, 20b, 50a, 50b) of the threaded tubular connections (10), whether of single or multiple seal shoulder configuration, which non-threadably engages the connection for alignment. For box ...
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WO/1998/045074A1 |
The invention relates to a turning head and, in particular, to a combined turning and chamfering head capable of performing bar turning, peeling, and chamfering operations. The head comprises a body portion (10), a first part (20), cutti...
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WO/1998/041358A1 |
The inner/outer surfaces of a hollow member whose inner/outer surfaces have non-circular curves are machined with high precision at high speeds. The cycle-machining device has a C-axis driving means (54) by which the hollow member is sup...
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WO/1998/041348A1 |
The invention concerns a method for machining a V crankshaft comprising steps of dynamic mass measurement and centre-drilling at the start of the machining line, characterised in that it consists in pre-setting by machining of the rough ...
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WO/1998/038436A1 |
This invention relates to a method for fabricating a vehicle hub, bearing, and brake disc assembly wherein the braking surface (29a, 30a) of the brake disc is oriented in a predetermined relationship relative to the outer race of the bea...
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WO/1998/028099A2 |
The invention relates to a cutting tip (7) for a tool (1) for fine-machining boring surfaces in work pieces by the removal of cuttings. The cutting tip (7) is inserted into a recess (9) worked into the peripheral surface (5) of the tool ...
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WO/1998/025724A1 |
A control device stores an automatic operation program of a threading cycle prescribing a basic helical movement of a tool corresponding to the thread by specifying the number RC of revolutions of a main shaft, a screw lead ZR, a point Z...
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WO/1998/013160A1 |
A rotary pipe cutting apparatus (10, 60) for removing sections of broken pipe (14) from the bore of an outer pipe (12). The invention includes a cylindrical body (16) with a longitudinal slot (24) that is angularly offset from the rotati...
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WO/1998/012009A1 |
A machining apparatus for machining a work (16) having inner and outer peripheries of non-circular curves. The machining apparatus comprises: work supporting means (10, 11) for clamping a work rotatably on a substantially vertical axis f...
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WO/1998/009754A1 |
An apparatus (50) and method for automatically compensating for the lateral runout between an on-car lathe apparatus (52) and a vehicle hub (44) axis including one or more stop discs (94, 96) that rotate with the drive shaft of the lathe...
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WO/1998/010262A1 |
A runout measurement and control system includes an accelerometer comprising a one-piece unit that can be easily secured to the housing (52) of a disc brake lathe (48). The accelerometer includes rotor, rotor body and transducer, and use...
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WO/1998/006526A1 |
The invention relates to a device for the machining of tube ends (1) comprising a motor, with a gear arrangement and a clamping device (17,18) for the fixing of the a tube end on the machining device (1) in order to be processed. The mac...
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WO/1998/001248A1 |
A feed control (34) for a tool bit (30) carried by a headstock (16) of a lathe includes a driving cam having a profiled lobe (40) that permits automatic quick return of the tool bit following each cutting operation. The cam is driven in ...
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WO/1997/049596A1 |
The present invention is a one piece sleeve for a rotary valve, the sleeve comprising an array of communication slots formed in the bore of the sleeve, characterised in that at least a portion of the floor of one of said slots is convex....
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WO/1997/049521A2 |
The invention concerns a method and device for producing workpieces with a non-circular internal and/or external shape on a machine holding at least one workpiece (8) driven to rotate at constant speed and at least one tool (5), in parti...
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WO/1997/048521A1 |
An actuator comprising a pair of similar devices each responsive to electrical signals to generate reciprocatory displacements, and link means coupled to the devices to translate the respective displacements of the devices into a single ...
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WO/1997/044153A1 |
The invention concerns a milling arrangement for milling the welding region of spot-welding electrodes held by an electrode holder. The milling arrangement comprises a tool carrier with at least one milling tool (129), which is mounted t...
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WO/1997/037803A1 |
The present invention relates to chucks and methods for positioning multiple objects, optionally for transport onto a recipient substrate. Instead of using conventional clamps that employ mechanical force, the present invention is direct...
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WO/1997/027969A1 |
The invention concerns a pipe-cutting and chamfering arrangement for thin-walled pipes, the arrangement comprising a machine tool (2) with a cutting and chamfering tool (15, 16) and a clamping device (1) for cutting a pipe and chamfering...
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WO/1997/027017A1 |
A lathe for machining spherical and non-spherical surfaces without using a combination of several translational movements of the tool holder assembly is disclosed. The lathe mainly comprises three controlled axes of movement. A tool hold...
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WO/1997/009146A1 |
A toolholder (10) for removing material from a workpiece (18) wherein the workpiece and toolholder are rotatable with respect to one another. The toolholder includes a body (12) having a plurality of pockets (14, 16). A roughing insert (...
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WO/1997/002915A1 |
A portable tool for use in axially cutting and squaring ends of tubes includes a main tool body (5) within which is rotatably mounted a tool shaft (49) having a cutting tool (44) attached at one end thereof, a tube receiving and clamping...
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WO/1996/031708A1 |
A method of manufacturing a dynamic groove bearing (143) with a first bearing part (155) and a second bearing part (147) which are rotatable relative to one another. According to the method, the bearing parts (155, 147) are provided with...
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WO/1996/027468A1 |
The invention concerns a positioning drive for a tool head designed for use in machine tools. The tool head has a main body (12), a tool shaft (16) which extends out longitudinally beyond the main body (12) and which can be coupled to a ...
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WO/1996/022171A1 |
The invention describes the Portal-type Roll-through Wheel Lathe for machining of wheels (2) and brake discs of wheelset (1), dismantled from the rail vehicle and clamped in two centers (29) of quills (28), installed extendably in tailst...
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WO/1996/017705A1 |
A machine tool for machining crankshafts (200), including, arranged in the same horizontal plane on a frame extending along the transfer axis (arrow A) of a machining line (C), a machining station (P1) with two tool holder discs (110, 12...
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WO/1996/016760A1 |
The apparatus for making out-of-round workpieces includes a pivoting follower arm in which the pivot is positioned between the cam follower and the cutting tool. A tension spring is connected to the follower arm at a position on the cutt...
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WO/1996/016762A1 |
Described is a precision drill (1), designed for drilling noncircular bores, which has a bit (3) on a shaft (2) plus a holder (6) for the workpiece being drilled, the aim being to provide a drill which can operate economically at high sp...
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WO/1996/010464A1 |
The invention relates to an arrangement in a machine tool having a raw-material gripping or releasing device, a material machining tool (6), and a stirrup device (7) having mutually opposed legs (7a, 7b) intended for coaction with the ra...
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WO/1996/009907A1 |
A disc brake lathe for machining a brake disc on a vehicle without removing the disc from the vehicle, but only the wheel and other parts of the brake mechanism. The disc brake lathe comprises a power drive unit (3) for rotating a brake ...
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WO/1996/009908A1 |
The present invention provides an insert and a tool provided with the insert which enables the usage of one single type of inserts to achieve close tolerances and good surface finish at bar peeling. It is characteristic that the insert i...
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WO/1996/003256A1 |
A machine tool (1, 227) with a spindle (27, 229) which extends parallel to Z-direction, is rotatable about an axis of rotation (29, 231) which runs parallel to the Z-direction, and is provided with a holder (33, 235) for a workpiece (35,...
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WO/1995/026845A1 |
A procedure for machining the spiral-shaped rotor of a spiral pump, wherein the rotor blank is machined with a tool revolving in a circle around it, said circle being eccentrically positioned in relation to the axis of the rotor blank. M...
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WO/1995/026246A1 |
The machining of sets of rail-vehicle wheels by means of milling cutters is currently carried out with the milling-cutter axes parallel to the axis of the wheel set. Proposed is an end-milling cutter for machining wheel rims whose axis i...
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WO/1995/023664A1 |
The invention concerns a method of producing concave, self-contained bearing surfaces, which are at least part of universal ball joints extending over the ball equator, by machining depressions pre-formed in workpieces by means of a tool...
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WO/1995/018392A1 |
A method of manufacturing a diffractive surface comprising: rotating a surface to be cut at a rate W > 1,500 RPM; translating a cutting tip T at low speed V where V < 1.2 mm/minute; and cutting the surface with the cutting tip T.
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WO/1995/015828A1 |
The invention pertains to a process and device for chamfering a clamped pipe end to close positional and dimensional tolerances as to the inside or outside diameter of the pipe (1). In a rough-machining step with a machine tool (21) set ...
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WO/1995/013159A1 |
The present invention relates to a tool arrangement (5) which includes a parting tool (6) or the like which is intended to cut off or remove a machined section from raw material (3) held firmly in a holding device (2). Located adjacent t...
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WO/1995/007782A1 |
Portable shoulder dressing (10) apparatus is disclosed for dressing shoulders on threaded ends of tubular connections (12, 14). The shoulder dressing tool, either of the box type or pin type, uses primary and/or secondary cutters (56, 64...
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WO/1995/003473A1 |
A tool (22) for cutting or milling casing in a well is disclosed. It includes a plurality of blades (36) extending outwardly to a substantially radial position for cutting the walls of casing strings and removing a predetermined length o...
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WO/1995/003474A1 |
A tool (22) for cutting or milling casing in a well is disclosed. It includes a plurality of blades (36) extending outwardly to a substantially radial position for cutting the walls of casing strings and removing a predetermined length o...
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WO/1994/029053A1 |
The present invention provides a tool for bar peeling comprising a rotatable cutter head (11) with circumferentially spaced toolholders (12), each said holder being provided with an adjustment device comprising a setting unit (18) provid...
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WO/1994/025217A2 |
Proposed is a method of machining and a tool (1) to be used for obtaining patterns (14) in the form of alternating ridges (12), pads, cells and ridges of triangular cross section on the surface of a blank (15). The method proposed facili...
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WO/1994/022625A1 |
A first cutter for simultaneously machining an outer peripheral surface of a pin of a crank shaft or a journal and a side surface of a counter-weight adjacent to the former is fitted to one of the two cutter heads of a crank shaft miller...
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WO/1994/020244A1 |
Loader shuttle (158) delivers a workpiece ring (90) which then is centered by axially drivable centering crescent (49). Active spindle clamp cylinder (28) on carriage (23) hydraulically drivable toward passive spindle stop cylinder (30) ...
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