Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244)
09/2012
09/19/2012CN102085549B Roll forming method of aluminum alloy high cylindrical ring forging
09/19/2012CN102019333B Rolling and forming method of cobalt-base superalloy high cylindrical ring forging
09/05/2012CN202411304U Automatic material charging system for hot skew rolling of blanks of bearing steel balls
09/05/2012CN202411302U Main slide block assembly of precise large-size cold rolling machine
09/05/2012CN202411301U Flange plate forming machine of steel corrugated pipes
09/05/2012CN202411300U Die with double-row cold-rolled taper ferrules
09/05/2012CN202411299U Die for cold rolling tapered ferrule
09/05/2012CN102179463B Blank-making rolling method for conical hub of automotive transmission
09/05/2012CN102029342B Method for rolling and forming TC11 titanium alloy thin-walled rings
09/05/2012CN102029340B Rolling forming method for 5CrNiMo steel thin-wall ring
08/2012
08/30/2012DE102011004630A1 Wälzkörper Rolling elements
08/29/2012CN202398755U Axial rolling mechanism for flange ring rolling mill
08/29/2012CN202398754U Mandrel adjusting mechanism for flange ring rolling machine
08/29/2012CN202398753U Flange ring rolling machine
08/29/2012CN202398752U Combination type roller and ring rolling machine for flange ring rolling mill
08/29/2012CN202398751U Flange ring rolling mill
08/29/2012CN202398750U Horizontal rolling mill for flange rings
08/29/2012CN202398749U Rolling wheel of flange ring rolling mill
08/29/2012CN202398748U Guide structure of conical roller on flange ring rolling machine
08/29/2012CN202398747U Guide mechanism of flange ring rolling mill
08/29/2012CN202398616U Axial rack on flange ring rolling mill
08/29/2012CN202398610U Roller for special-shaped section flange ring rolling mill
08/22/2012CN202387893U Core roller frame of ring rolling machine
08/15/2012CN202377448U Multifunctional horizontal ring rolling machine
08/15/2012CN202377447U Loop milling machine bearing roller mechanism
08/15/2012CN102085556B Roll forming method of GH4033 high-temperature alloy thin-wall ring piece
08/15/2012CN102029339B Rolling and forming method for 0Cr25Ni20Mo2 stainless steel thin-wall ring
08/15/2012CN102029338B Rolling and forming method for 0Cr25Ni20 stainless steel thin-wall ring
08/08/2012CN102085551B Roll forming method of iron-based high-temperature alloy high cylinder ring forging
08/08/2012CN102085548B Roll forming method of titanium alloy high cylindrical ring forging
08/01/2012CN102615224A Radial-axial rolling forming method for inner step section ring pieces
08/01/2012CN102615223A Method for simultaneously rolling and expanding two trapezoid-cross-section flange ring forge pieces
08/01/2012CN102615222A Equipment for rolling and forming seamless thin-walled ring parts
08/01/2012CN102615221A Radial and axial rolling forming method for large-sized double-groove ring piece
07/2012
07/25/2012CN202343824U Thermal deformation device for flange with odd-shaped cross section
07/25/2012CN102601587A Manufacturing process of aluminum alloy rim of large vehicle
07/25/2012CN102601583A Near-net forming manufacturing method of sliding bearing dual-metal thrust sleeve and mold thereof
07/25/2012CN102601279A Train wheel blank manufacturing process by adopting swing rolling and forming technology
07/25/2012CN102601278A Method for radially and axially rolling and forming large-sized double-edge stepped ring parts
07/25/2012CN102601277A Automobile gearbox intermediate gear shaft blank three-time wedging mould and rolling method thereof
07/25/2012CN102085553B Roll forming method of 0Cr19Ni9 stainless steel thin-walled ring forging
07/25/2012CN102085552B Roll forming method of 2A70 aluminum alloy thin-walled ring forging
07/18/2012CN102581182A Fixture for concave ring forging of tire mold
07/18/2012CN102581181A Large radial-axial ring rolling machine
07/18/2012CN102581180A Axial rolling device of large-scale ring rolling machine
07/18/2012CN102581179A Manufacturing method for shaft member
07/11/2012CN202316877U 辗环机用自动水冷装置 Ring rolling machine with automatic cooling device
07/11/2012CN202316876U 一种大型卧式碾环机 A large, horizontal ring rolling machine
07/11/2012CN202316875U 一种大型卧式碾环机 A large, horizontal ring rolling machine
07/11/2012CN202316874U 一种大型卧式碾环机 A large, horizontal ring rolling machine
07/11/2012CN202316873U 一种大型卧式碾环机 A large, horizontal ring rolling machine
07/11/2012CN102554568A Forming method for 7-meter scale aluminum alloy forged ring
07/11/2012CN102554083A Main sliding block component for large precise cold rolling mill
07/11/2012CN102554082A Rolling process of section steel for outer rings of idlers
07/11/2012CN101856706B Method for forming automotive engine valve blanks accurately by secondary wedging cross wedge rolling
07/04/2012CN202291177U 一种短圆柱滚子轴承外圈冷辗机装置 A short, cylindrical roller bearing outer ring means cold rolling machine
07/04/2012CN202291176U 高效精密闭环轧机 Efficient and precise closed loop mill
07/04/2012CN202291175U 滑轮热轧机 Pulley hot rolling mill
07/04/2012CN202291174U 车轮热轧机 Wheels rolling mill
07/04/2012CN102527890A 多功能卧式辗环机 Multifunction Horizontal Ring Rolling Machine
07/04/2012CN101410641B Forged roller
06/2012
06/27/2012CN102513799A Ring rolling method for flange of megawatt wind generation set tower
06/27/2012CN102513478A Pin shaft fillet machining process and equipment
06/27/2012CN102000752B Bispherical ring rolling forming method
06/20/2012CN102500690A Machining tool for thin-walled rotating body parts and machining equipment employing machining tool
06/19/2012US8202646 Battery can with cutting-edge portion higher than cutting start portion, manufacturing method and manufacturing device therefore, and battery using the same
06/13/2012CN202270896U 一种冷辗扩机主轴控制装置 , A cold rolling machine spindle control device
06/13/2012CN102497688A Induction heating technique for double-sided roll forming of discal parts
06/13/2012CN102489642A Integral self-lubricated oscillating bearing rolling forming process and rolling equipment
06/13/2012CN102489641A Three-roll rolling backlash device for integral self-lubricated oscillating bearing
06/13/2012CN102489640A Roller and large ring rolling machine adopting same
06/13/2012CN102489639A Fine-grain roll-forming method for large annular piece made of high alloy steel
06/13/2012CN102489638A Radial and axial roll-forming method for large internal-stage annular piece
06/13/2012CN102489637A Machining process of ultra-large bearing ferrule blank
06/07/2012WO2012073786A1 Hollow coil spring and method for manufacturing same
06/06/2012EP2460603A1 Roll forming method for wheel spoke
06/06/2012CN101934334B Balling mechanism of steel ball rolling machine
05/2012
05/30/2012EP2457676A1 Method and rolling device of mandrel-free rolling of wheels and discs
05/30/2012CN202239410U Cam shaft blank rolling device
05/30/2012CN202238894U Self-locking type wheel rolling mill spoke plate roller
05/24/2012DE102010052371A1 Verfahren und Walzvorrichtung zum dornlosen Walzen von Rädern und Scheiben Method and apparatus for rolling thornless rolling wheels and discs
05/23/2012CN102009112B Method for thickening annular outer edge of circular plate material
05/23/2012CN101823197B Method for molding large ring piece by casting blank ring rolling
05/02/2012CN102430897A Thermal deformation technique of flange with abnormal section
04/2012
04/26/2012US20120100385 Process for production of roughly shaped material for engine piston
04/25/2012EP2444176A1 Axial/radial ring rolling system
04/25/2012EP2444175A1 Method for manufacturing shoes for motor vehicle braking systems
04/24/2012US8161620 Annular composite workpieces and a cold-rolling method for producing said workpieces
04/18/2012CN202192184U 一种筒节成形机的上工作辊传动侧轴承座 The work roll drive side bearing a tube section forming machine
04/11/2012CN202185544U 快速拆装型辊的轧环机芯轴 Ring rolling movement axis rapid disassembly type roll
03/2012
03/22/2012DE10031878B4 Element mit Innenverzahnung und Vorrichtung zum Formen eines Elements mit Innenverzahnung Element with internal toothing and apparatus for forming an element having inner toothing
03/21/2012CN102382954A On-line continuous quenching device for skew-rolled ball-milled steel balls
03/21/2012CN101920298B Automatic hoisting, rising and falling device for core roller of ring rolling machine
03/14/2012CN202162317U 摆碾机摆头 Pendulum swing mill
02/2012
02/29/2012EP2422898A1 Method for plastic forming of toothed shafts
02/29/2012EP2422897A1 Apparatus for rotary compression of hollow parts
02/29/2012EP2422896A1 Method for rotary compression of hollow parts by cross rolling
02/22/2012CN102357623A Method for processing elastic ring of Kaldo furnace
02/22/2012CN102357622A Technology for preparing titanium-nickel-niobium memory alloy pipes or rings
02/15/2012EP2418029A1 Stamping and rolling method and a device for implementing same
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