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WO/2020/051943A1 |
A grinding system for eliminating crack sources of an inner tapered bore of a motor rotating shaft and a grinding method therefor; the grinding system comprises a movable device (1), a pneumatic gun (2), and a clamping device; the movabl...
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WO/2020/045239A1 |
The present invention provides a crankshaft which has excellent welding resistance. This crankshaft is provided with a journal part and a pin part; and the journal part and the pin part have surface profiles, each of which has an arithme...
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WO/2020/034110A1 |
A grinding apparatus for a ring-shaped piece, comprising a stand (10), a holding assembly, and a grinding mechanism (12). The stand comprises an upright post (14) and at least one stop block (16) fixed on the upright post, a cylinder (18...
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WO/2020/025310A1 |
The present invention relates to an apparatus (10) and a method for machining a workpiece (W), in particular a workpiece (W) provided with cutting edges, by means of a grinding or erosion tool (34), wherein the apparatus (10) comprises: ...
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WO/2020/006053A1 |
A fabric treatment device including a base having a perimeter sidewall forming an interior. A bottom plate is removeably secured to the base. A carriage slide is operably connected to the base, and the carriage slide has an opening exten...
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WO/2019/239255A1 |
The present invention relates to a device for the recovery of the sliding surfaces of a shaft, for example of a turbine. It is to be meant that the invention can be applied even for other machines such as for example compressors, pumps a...
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WO/2019/231476A1 |
A high efficiency grinding machine for grinding the pin on a crankshaft has a machining space with a grinding wheel mounted on the lower end of an arm to form a pendulum assembly. A headstock supports the crankshaft in the machining spac...
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WO/2019/225957A1 |
TThe present invention relates to a magnetic chuck for supporting a workpiece to be milled, ground, or the like to be immovable and, more specifically, to a magnetic chuck, which can variously change the positioning of the workpiece acco...
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WO/2019/207685A1 |
This crankshaft-polishing device is provided with a plurality of polishing tools for polishing a crankshaft, a plurality of slide shafts for causing the polishing tools to slide outward or inward, a tool jig that connects the plurality o...
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WO/2019/201717A1 |
The invention relates to a precision machining method for producing a non-circular-cylindrical bore (110), which has at least one non-circular-cylindrical bore section having a non-round bore cross section and/or an axial contour course,...
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WO/2019/197719A1 |
A method for producing a groove pattern (PAT1) on a cylinder surface (SRF1) comprises: - providing an abrasive module (100), which comprises an abrasive mesh article (110) and a collector block (BLC1), the abrasive mesh article (110) bei...
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WO/2019/179003A1 |
Disclosed is a bearing hole polishing and impurity removal device for a rolling bearing, comprising a storing seat and a pressing disc. An upper clamping seat is mounted above the storing seat of the pressing disc; four first rotary join...
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WO/2019/174780A1 |
The present invention relates to a manufacturing method for the diamond dressing process to be performed on items used, in particular, as gold, silver and costume jewellery, as well as eyeglasses and clothing accessories, which consists ...
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WO/2019/137697A1 |
The invention relates to a liner processing device (1) for maintenance of a cylinder liner (2). The liner processing device (1) comprises a spindle (3) extending in a first direction (D1), at least three arms (4) connected to the spindle...
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WO/2019/126296A1 |
A pneumatic tire pre-conditioning system (200, 300, 400) includes a conveyor system (1), a belt assembly (8), a friction device (10) and a pin (16). The conveyor system (1) includes a tire engaging surface (2), a first side (4), and a se...
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WO/2019/115323A1 |
The present invention relates to a pressing-on shoe (1) for pressing a finishing belt onto surfaces of a rotating workpiece, comprising - a carrier (2), - a radial pressing-on face (3) for pressing a finishing belt onto a circumferential...
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WO/2019/114871A1 |
The invention relates to a method for grinding rolling elements for a rolling bearing, having the steps of: providing a workpiece (20) to be ground, providing a grinding wheel (10), wherein the grinding wheel (10) has a wheel body (12), ...
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WO/2019/097738A1 |
A workpiece support device (6) comprises: a base (10); a shoe (11) that is disposed in at least one location in the circumferential direction of a workpiece (1a) rotationally driven by using a rotary drive device (4) and that is in slidi...
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WO/2019/093642A1 |
The present invention relates to a material rotation-type silicone filament automatic grinding machine and a grinding system using the same, and the grinding machine comprises a rotating unit which holds and fixes the silicone filament a...
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WO/2019/089089A1 |
A device is disclosed for measuring Barkhausen noise of a crankshaft to identify defects in the crankshaft while the crankshaft is installed on an engine, comprising: a housing configured to attach to a connecting rod; at least one senso...
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WO/2019/057238A1 |
The invention relates to manufacturing apparatus 1 for producing a curved contour on at least one end face 3a, 3b of a roll 2, having a grinding device 4 for grinding the curved contour on the at least one end face 3a, 3b of the roll 2 a...
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WO/2019/052724A1 |
The invention relates to a method for fine machining a cylindrical workpiece surface (16) of a workpiece blank (14) by means of a fine machining tool (26). Said method comprising the following steps: generating a relative rotational move...
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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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