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WO/2019/047995A1 |
Provided is a workpiece spindle (10) for a magnetic-shoe external cylindrical grinding machine, having a spindle (12) for rotating a workpiece (21), a holding device (18) for holding the workpiece (21), wherein the holding device (18) ha...
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WO/2019/039356A1 |
A workpiece support device according to one embodiment comprises a mounting stage (1), a shoe base (3) fastened to the mounting stage, and a shoe (2) fastened to the shoe base and rotatably supporting a workpiece (W) about the central ax...
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WO/2019/034333A1 |
Illustrated and described is a device (32) for machining, in particular for simultaneously machining several wheel sets (20A, 20B) of a rail vehicle (26), comprising: a first underfloor wheel lathe (1A) for reprofiling wheels and brake d...
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WO/2019/025480A1 |
An apparatus for checking the diameter of crankpins (15) of a crankshaft in orbital motion about a geometrical axis in a numerical control machine tool includes a V-shaped reference device (10), a measuring device (6) and a support devic...
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WO/2019/012509A1 |
The present disclosure envisages a machine (200) for performing microfinishing operation on a component. The machine (200) comprises a rotatable shaft (235), means for rotating the rotatable shaft, a first set of plates (110) slidably mo...
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WO/2019/011493A1 |
The invention relates to a method for roughening the rear side (1b) of a vulcanized flat tread (1), which tread has, on the other side, a profile having grooves (3) and profile positives having outer surfaces, for the cold retreading of ...
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WO/2018/236268A1 |
The present disclosure relates to a grinding machine (9) for grinding rock drill bit buttons, the machine comprising a grinding arrangement with rotatable grinding spindle (25), a free end of which is configured to drive and to replaceab...
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WO/2018/225719A1 |
A tapered ferrite core having a columnar or cylindrical shape in which the length is greater than the outer diameter, and having a tapered part formed by a ground surface on at least one end section, the tapered part having a streak-shap...
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WO/2018/219423A1 |
The invention shows and describes a grinding method for machining the surface of workpieces (6) with a plurality of inner grinding spindles, comprising the following steps: a) providing a grinding machine (1, 1') with at least two grindi...
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WO/2018/188508A1 |
A method for predicting valve leakage, comprising the following steps: 1) prefabricating a valve; 2) mounting, on the valve, a sensor (70) and a signal transmitter (90); 3) debugging the valve, measuring and determining a critical specif...
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WO/2018/174405A1 |
The present invention relates to a torsional severe plastic deformation method for a metal bar, to which surface polishing is applied to improve the mechanical properties of the metal bar. Provided according to an embodiment of the prese...
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WO/2018/164244A1 |
A machining device 1 performs removal machining for removing at least part of an outer peripheral surface of a supported rotating body 6 that is supported by a plurality of supporting rotating bodies 501, 502 and that rotates together wi...
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WO/2018/162002A1 |
The invention relates to a loading device (10) for a plunge cut grinding machine for centreless cylindrical grinding, comprising a receiving frame (14) for receiving a blank workpiece (16) to be machined, wherein the receiving frame (14)...
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WO/2018/162714A1 |
The invention relates to a tool (100) for grinding and cleaning the inside of pipes by utilising the centrifugal force due to the rotation of the tool. The tool has several grinding elements (105), made of a hard material, e.g. cemented ...
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WO/2018/156097A1 |
A surface roughening tool includes a cylindrical body and at least one grooving blade outwardly radially projecting from the body and configured to form grooves and peaks into a surface. The surface roughening tool also includes at least...
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WO/2018/156098A1 |
A method includes positioning a cylindrical tool having one or more rows of blades within a cylindrical bore having a surface, forming annular grooves and peaks into the surface with the grooving blades when the swaging blades are in the...
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WO/2018/131399A1 |
Provided are a grinding apparatus, etc. with which the grinding pressure acting on a workpiece from a grinding stone can be appropriately controlled. A roughly cylindrical workpiece (W) is fixed on a workpiece support (104). A grindstone...
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WO/2018/125908A1 |
A disclosed pipe scuffing device includes a frame and a shaft coupled to the frame and configured to rotate about a central axis. The pipe scuffing device also includes a drive motor configured to drive the rotation of the shaft. The dev...
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WO/2018/095655A1 |
The invention relates to a method for grinding the contour of the body (110) of a roll (100), in particular a roll having a roll contour having a steep curve course in a roll stand for rolling metal strip, having the following steps: spe...
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WO/2018/079541A1 |
The grinding machine is provided with a dividing wall and a clamp part. The dividing wall divides a machining area from a non-machining area excluding the machining area. The clamp part extends from the non-machining area toward the mach...
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WO/2018/079319A1 |
Provided is a grinder that facilitates manual grinding work requiring careful operation. A grinder 1 has: a grindstone 4 that grinds a workpiece; a nozzle 71 through which a cooling liquid is jetted out to the workpiece; hand-feed handle...
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WO/2018/080509A1 |
The present disclosure may relate to centerless wheel assembly that includes a centerless rim including a first center point laying in a first plane generally defined by the centerless rim. The centerless wheel assembly may also include ...
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WO/2018/072222A1 |
A gear grinding apparatus having adjustable grinding roller size, comprising a support base (1); a support column (2), a fixed clamping base (3), a moving clamping base (4), and a controller (5) being arranged in sequence from left to ri...
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WO/2018/073210A1 |
A method of machining a tip (512) profile of a blade (130, 140) for a turbomachine is provided. The method comprises coupling the blade (130, 140) to a component (110, 112, 114, 120, 124) of the turbomachine; supporting the component (11...
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WO/2018/071306A1 |
A rolling mill system for Incremental rotary shaping of an elongated workpiece is provided that includes first and second workpiece holders. A support frame has a track with the first and second workpiece holders being movably associated...
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WO/2018/061606A1 |
A shaft member for a fluid bearing device, said shaft member having at the outer circumference two bearing surfaces 31 and 32 separated from each other in the axial direction, and a central recessed section 33 formed between the bearing ...
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WO/2018/047196A1 |
Disclosed is a conveying mechanism for transferring finished and unfinished rubber cots to and from storage magazine respectively in the rubber cot grinding and/or buffing machine. At each loading and unloading points of the rubber cot g...
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WO/2018/041618A1 |
A belt-finishing unit (100) for a belt-finishing machine comprises a base element (120) having devices for mounting the base element on a frame part of a belt-finishing machine, a pressure arm (130A), which is supported in a movable mann...
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WO/2018/039031A1 |
A system and method for manufacturing and/or reconditioning side frames and bolsters for railway cars includes at least one robot adapted to access positions along the length of the part. A map of the part dimensions, which may be obtain...
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WO/2018/028742A1 |
Cutting methods are used in the production of round parts. Milling machines that perform shaping by machining are known. In the meantime, grinding has become established as an alternative in the machining of round parts. For example, cen...
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WO/2018/030120A1 |
A ground workpiece having a smaller diameter than that of an object to be ground 10 is manufactured by grinding a side surface of the object to be ground 10 through the following steps (a) and (b). In step (a), a cup-type grindstone 30 i...
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WO/2018/020947A1 |
Provided are a roll polishing rotating grindstone that prevents the polishing debris generated during polishing from accumulating in recesses in the center of a polishing face of the roll polishing rotating grindstone and that allows rol...
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WO/2017/219100A1 |
The invention proposes a tire buffing machine (10) comprising a scraping assembly (20) including a rasp head (22) having a rasping tool (221), a tire support assembly (30), and means to selectively move the rasp head (22) in relation to ...
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WO/2017/212254A1 |
A redressing device (100) for redressing a tapered portion (12) of an orthopaedic implant (10) comprising: a grinding member (110) adapted to engage the tapered portion (12); an adjustable guide element (130) for defining, at least in pa...
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WO/2017/206986A1 |
The invention relates to a grinding spindle (12) and to an internal cylindrical grinding machine having a grinding spindle (12), wherein the grinding spindle insert (16) comprises a grinding wheel receptacle; and a coaxially arranged gri...
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WO/2017/186446A1 |
The invention relates to a belt finishing device (10) comprising a guiding device (28) for guiding a finishing belt (24), a rotational drive (14) for rotating a workpiece (18) to be finished about the workpiece axis (20), and an oscillat...
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WO/2017/171791A1 |
A sculptured drum for a retread process that has an inner radial section with a central axis that extends in an axial direction. The sculptured drum has a plurality of support members that extend outward from a drum outer surface in a ra...
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WO/2017/172400A1 |
A sculptured drum for a retread process that has an inner radial section with a central axis that extends in an axial direction. The sculptured drum has a plurality of support members that extend outward from a drum outer surface in a ra...
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WO/2017/157698A1 |
A method is disclosed for grinding workpieces having at least one cylindrical section and one profiled section on a single grinding machine. In a first set-up, the workpiece is first ground in the grinding machine during a first groundin...
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WO/2017/153480A1 |
The invention relates to a manipulator (10) for machining weld seam roots (11), in particular weld seam roots (11) on recuperative heat exchangers (12), comprising a drive (26) for advancing the manipulator (10), a grinding head (18) wit...
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WO/2017/144125A1 |
The invention relates to a finishing device (10), comprising a finishing belt, a finishing belt holding device, a first drive for rotationally driving a workpiece about a workpiece axis and a second drive for oscillating said workpiece a...
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WO/2017/141461A1 |
With a grindstone (12a) disposed on the inside of a workpiece (9a), a grinding apparatus disposes a fluid spray nozzle (38), which configures a fluid spray device (16), in the space between the inner circumferential surface of the workpi...
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WO/2017/139314A1 |
A method and a system are provided for automatically dressing a grinding wheel used to grind workpieces. A workpiece is scanned to determine dimensions of the workpiece. A computer-readable dimensions datafile is generated containing the...
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WO/2017/136163A1 |
A microfinishing machine and method especially adapted for processing of internal combustion engine crankshafts and other workpieces. Microfinishing is achieved by tooling having abrasive inserts or which present abrasive coated film aga...
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WO/2017/129513A1 |
The invention relates to a grinding machine (10, 110) and to a method for machining workpieces (30) with wave-like shapes, in particular for grinding treatment, comprising the steps: receiving a workpiece (30) with a wave-like shape on a...
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WO/2017/111748A1 |
The invention is related to a loading system that enables conveyance of roller bearing rings (1) to the driver drums (2) at the same orientation and that enables starting rotation of roller bearing rings (1) before they are conveyed to t...
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WO/2017/086120A1 |
This method for superfinishing a bearing roller 4 involves: arranging a pair of feed drums 51, 52 in parallel with each other which have spirally continuous guiding screw surfaces 54a, 54b on the respective outer peripheries and which ar...
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WO/2017/087739A1 |
A dual tire buffing apparatus includes a turntable having a first end and an opposite second end. The turntable is rotatable about a central axis between first and second positions. A first expandable hub is rotatably coupled to the turn...
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WO/2017/080535A1 |
The method of machining of rotary components (3), especially hard ceramic, metaloceramic or metallic coatings on the rotary component (3) with the length greater than 2 meters, whose essence consists in the fact that the equipment is def...
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WO/2017/030049A1 |
The present invention manufactures long cylindrical members with a high degree of coaxiality with the shaft center over the entire length thereof and also a high degree of roundness of the outer circumferential surface. A grinder (1), wh...
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