| Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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| 06/15/2011 | CN102091915A Process for producing elevator draw rod |
| 06/15/2011 | CN102091751A Control method for 316 LN steel heavy-forging forging crystalline grain |
| 06/15/2011 | CN101733350B Production technology for blanking by using a through-hole type universal joint finish forging pot shell capable of moving axially |
| 06/15/2011 | CN101713057B Process used for spray forming Si-Al alloy solid-liquid two-phase region hot working molding encapsulating parts |
| 06/09/2011 | US20110135383 Pin Joint Component With Improved Wear Surfaces |
| 06/09/2011 | US20110132060 Enlargement Processing Method for Workpiece |
| 06/09/2011 | DE19830817B4 Verfahren zum Umformen eines Werkstücks durch Drückwalzen A method of forming a workpiece by flow-forming |
| 06/08/2011 | CN102085557A Large and large-diameter aluminum alloy forging processing technology |
| 06/08/2011 | CN101695736B Method for making titanium alloy diaphragm plate forged piece |
| 06/08/2011 | CN101691004B Manufacturing method of integrated square fire-resisting damper valve buckle body molding and rolling forming device thereof |
| 06/08/2011 | CN101602158B Manufacturing method of titanium golf head by different-weight forging |
| 06/08/2011 | CN101543948B Processing technology of Ti5Mo5V2Cr3Al alloy |
| 06/08/2011 | CN101528387B Mold |
| 06/07/2011 | US7954348 Peening apparatus and method |
| 06/03/2011 | WO2011065297A1 Apparatus for manufacturing plate-shaped gear teeth member |
| 06/03/2011 | WO2011064466A1 Reinforcement-linking device and manufacturing method thereof |
| 06/01/2011 | CN101704181B Short-process preparation method of noble/base metal stratified composite material parts |
| 06/01/2011 | CN101693980B Flat steel and manufacture method thereof |
| 06/01/2011 | CN101596572B Technological method for producing axle case reinforcing ring |
| 05/25/2011 | CN1905965B Drop forging method and forging device for carrying out said method |
| 05/25/2011 | CN102071367A Steel forging manufacturing process for deep-sea Christmas tree equipment connectors |
| 05/25/2011 | CN101629267B Alloy tool steel and manufacturing method thereof |
| 05/24/2011 | US7946770 Hydrodynamic bearing device |
| 05/19/2011 | WO2011057748A1 Method for shaping a workpiece using friction |
| 05/19/2011 | US20110113850 Near net shape forging process for compressor and turbine wheels and turbine spacer wheels |
| 05/18/2011 | EP2322299A1 Enlargement processing method for workpiece |
| 05/18/2011 | CN102059526A Manufacture method of light load gear structure |
| 05/18/2011 | CN102059522A One-time molding processing method of clutch shaft sleeve of impeller type full-automatic washing machine by cold upsetting and extruding |
| 05/18/2011 | CN102059307A Lifting mechanism |
| 05/18/2011 | CN102059306A Multi-station cold heading manufacturing method for plate die adjusting seat blank |
| 05/18/2011 | CN101695739B Forging process of large tee and large skew tee |
| 05/18/2011 | CN101690964B Automatic production device in valve pressure forging process |
| 05/18/2011 | CN101506401B Powder forged member, powder mixture for powder forging, method for producing powder forged member, and fracture split type connecting rod using the same |
| 05/11/2011 | CN102052331A Fan member and manufacturing method thereof |
| 05/11/2011 | CN102049458A Extrusion molding method and equipment for integrated heavy drill rod and square drill rod |
| 05/11/2011 | CN102049457A Precision forging process for engine connecting rod and precision forging die |
| 05/11/2011 | CN102049456A Multi-ram die forging process method and die for 40Cr-steel frame type parts |
| 05/11/2011 | CN102049455A Machining method of sealing piece |
| 05/11/2011 | CN102049454A Method for forging by using tilting gear and manipulation trolley instead of sleeve for turning steel ingot |
| 05/11/2011 | CN102049440A Rotary operating platform type axial-rolling rolling machine |
| 05/11/2011 | CN101745592B Rotary swaging preparation method for high-strength magnesium alloy wire |
| 05/11/2011 | CN101590588B Method for manufacturing mechanical drive chain wheel |
| 05/11/2011 | CN101440462B Economical long service life material for mechanical press forging die and manufacturing method thereof |
| 05/11/2011 | CN101254518B 1Mn18Cr18N steel guard ring forgeable piece forging technique for electric generating set |
| 05/10/2011 | US7938949 Method for producing a hardened profiled structural part |
| 05/05/2011 | WO2011052708A1 Method for producing near-net-shape material for engine piston |
| 05/05/2011 | WO2010108486A4 Stamping method and workpiece produced therewith |
| 05/04/2011 | EP2317169A1 Tripod uniform-motion universal joint and method for manufacturing the same |
| 05/04/2011 | EP2316591A2 Method for producing a metal plate-like element, in particular an adjustment plate for fittings |
| 05/04/2011 | CN201815615U Reducing rotary swaging processing device for internal threaded copper pipes |
| 05/04/2011 | CN102042289A Clinch pin fastener |
| 05/04/2011 | CN102039363A Method for manufacturing overlong internally thickened drill rod |
| 05/04/2011 | CN102039362A Automatic thread molding equipment of thin-wall pipes |
| 05/04/2011 | CN102039361A Composite extrusion forge forming method for automobile flange fork |
| 05/04/2011 | CN101690965B Hot extrusion forming process of half-shaft casings and special device |
| 05/04/2011 | CN101618498B Manufacturing process of adjusting nut |
| 05/04/2011 | CN101569915B Method of controlling shape of internal upset transition zone free surface in oil drill pipe |
| 04/27/2011 | CN102037153A Monolithic aluminum alloy target and method of manufacturing |
| 04/27/2011 | CN101722260B Free forging method of forge piece of rotary arms |
| 04/27/2011 | CN101618421B Multi-station cold-heading molding method of clutch conical blank |
| 04/21/2011 | WO2011046196A1 Process for producing brake piston |
| 04/21/2011 | US20110091300 Top cap of bicycle handlebar ste tube and method for manufacturing same |
| 04/20/2011 | EP2312165A1 Method for producing rotor |
| 04/20/2011 | EP1844875B1 Method and device for upsetting cylindrical material |
| 04/20/2011 | CN201799853U Automatic character rolling and forging equipment |
| 04/20/2011 | CN201799562U Full-automatic forging bed of inflating valve body |
| 04/20/2011 | CN102022433A Method for manufacturing chromium bronze thrust bearing pads |
| 04/20/2011 | CN102019815A Hub, manufacturing method thereof and special die |
| 04/20/2011 | CN102019544A Cast-welding and forging compounded forming method of super-huge type forge piece |
| 04/20/2011 | CN102019338A Punching method for forming integrated top cover |
| 04/20/2011 | CN102019337A Rolling method for shaping integral top cover |
| 04/20/2011 | CN102019336A Die forging shaping technology specially used for manufacturing petroleum drilling machine elevator movable wing plates |
| 04/20/2011 | CN102019335A Cold forging processing method of hardened and tempered structural steel |
| 04/20/2011 | CN102019334A Forging method of main pipe blank with branch pipe nozzles used in nuclear power station |
| 04/20/2011 | CN101602322B Novel baseplate for sun-shading plate of automobile sunroof and production method thereof |
| 04/14/2011 | US20110083633 Method for the production of a piston for internal combustion engines and piston for an internal combustion engine |
| 04/13/2011 | CN102009117A Perforation positioning process for set forging production of bearing blank outer ring and outer ring on high-speed upsetting forging machine |
| 04/13/2011 | CN102009116A Production device for thickening drill rod for three times |
| 04/13/2011 | CN102009115A All electric heating drill rod thickening production device |
| 04/13/2011 | CN102009114A Forging process for producing mushroom-shaped flange on die forging hammer |
| 04/13/2011 | CN101760682B Preparation method of aluminum alloy semi-ring for fairing of launch vehicle |
| 04/13/2011 | CN101384383B Method for producing a wheel disc |
| 04/13/2011 | CN101262965B Process for producing molded article with undercut, forging apparatus therefor |
| 04/07/2011 | DE102009034541B3 Verfahren und Vorrichtung zum Streckschmieden von gedrallten Teilen Method and apparatus for stretching forging of twisted parts |
| 04/06/2011 | EP2306025A1 Die for forging rotor material and method for forging rotor material |
| 04/06/2011 | CN102000756A Tool for adjusting length of semi-axle upsetting rod |
| 04/06/2011 | CN102000755A Reducing rotary forging method for internal thread copper pipe |
| 04/06/2011 | CN102000754A Manufacturing process of half shaft with flange plate |
| 04/06/2011 | CN101574721B Once hot-forging shaping process for manufacturing joint hinge |
| 03/30/2011 | CN201777690U Nut feeding device for hot header |
| 03/30/2011 | CN101593621B Method for designing fully-automatic computer numerical control press machine |
| 03/24/2011 | WO2011033856A1 Ni-BASED ALLOY PRODUCT AND PROCESS FOR PRODUCTION THEREOF |
| 03/24/2011 | US20110067477 Steering rack manufacture |
| 03/23/2011 | CN201773333U Heat transfer oil secondary circulation temperature control system device |
| 03/23/2011 | CN201768873U Heating, upsetting and cooling device of drill pipe end |
| 03/23/2011 | CN201768863U Heating and upsetting device at drill stem joint |
| 03/23/2011 | CN201768862U Bolt cold header |
| 03/23/2011 | CN101987410A Method for manufacturing square sleeve of novel pressure machine |
| 03/23/2011 | CN101987344A Method for forging nuclear power equipment pressure vessel large end sealing plate blank |
| 03/23/2011 | CN101987343A Forging method of conical cylinder body of nuclear power equipment |