| Patents for B21J 9 - Forging presses (2,855) |
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| 09/04/2013 | CN103272979A Method for displaying hydraulic principle of hydraulic forging press by means of imitation screen |
| 09/03/2013 | US8522595 Guided keeper assembly and method for metal forming dies |
| 08/28/2013 | CN203155917U Linkage feeding control device in upsetting of oil pipe and oil sucker rod |
| 08/28/2013 | CN203155916U Centering device for synchronous cylinder of ring rolling hydraulic machine |
| 08/28/2013 | CN203155915U Servo speed adjusting die forging device for common pressing machine |
| 08/28/2013 | CN203155914U Direct driven press |
| 08/28/2013 | CN203155913U Oppositely pressing machine with double-acting annular cylinder |
| 08/28/2013 | CN203155912U Double-station hydraulic die forging machining system |
| 08/28/2013 | CN203155911U Vehicle wheel forging machine |
| 08/28/2013 | CN103264520A Parameter display method for hydraulic forging press |
| 08/28/2013 | CN103264134A Automatic exhausting and micro module centering control system for hydraulic forging press |
| 08/28/2013 | CN103264133A Centering control system for hydraulic forging press |
| 08/28/2013 | CN103264132A Mobile working platform hydraulic control system based on balance valves |
| 08/28/2013 | CN103264131A Conjugate cam reciprocating pulling tong seat rocker arm mechanism |
| 08/27/2013 | US8516875 Repairing kit for automotive dents |
| 08/27/2013 | US8516874 Pillar for motor vehicle and tool for making the same |
| 08/27/2013 | US8516873 Puller for automotive dents |
| 08/21/2013 | EP2497583B1 Method of manufacturing a shaft member for a wheel hub assembly with rolling bearings |
| 08/21/2013 | CN203140667U Clutch type forging component molding machine |
| 08/21/2013 | CN103252438A Power machine lifting type electric twin-screw press |
| 08/21/2013 | CN103252437A Clutch type double-screw press |
| 08/21/2013 | CN103252436A Motor-driven double-helix press |
| 08/21/2013 | CN103252435A Hydraulic upsetter loose tooling locking device |
| 08/21/2013 | CN101564752B Slide with segmented tooling held closed by stationary remote spring |
| 08/14/2013 | CN203124615U Cold header protective device |
| 08/14/2013 | CN103240384A Linkage feeding control device for upsetting for oil tubes and sucker rods |
| 08/14/2013 | CN103240376A High-energy clutch screw press |
| 08/13/2013 | US8505350 Apparatus for threading cans |
| 08/07/2013 | CN203109133U Precise forging device for automobile brake camshaft |
| 08/07/2013 | CN103230998A Precise automatic straightening and material returning control system of high-speed cold heading machine used for manufacturing steel balls |
| 08/07/2013 | CN102294423B Cold-forging-warm-forging numerically-controlled forming method for forged and pressed component |
| 07/31/2013 | CN203091659U Crank shaft twisting and turning machine |
| 07/31/2013 | CN203091644U Pressure control device of large-scale free forging hydraulic press |
| 07/31/2013 | CN203091643U Automatic straightening and stripping control system of high-speed cold header for manufacture of precision steel balls |
| 07/31/2013 | CN203091642U Transmission mechanism of zero-clearance sliding table of multi-station cold header |
| 07/31/2013 | CN203091641U Forging press of plunger type cylinder body with prism structure |
| 07/31/2013 | CN203091640U Forging machine assembled with flat plate type guide devices |
| 07/31/2013 | CN103223454A Upsetting and torsion combined deformation device |
| 07/31/2013 | CN102026825B Method for forming a wheel bearing device |
| 07/24/2013 | CN102794380B Block type multidirectional forging device |
| 07/18/2013 | US20130180309 Servo Hemming Press |
| 07/17/2013 | CN102303085B Grinding and forging machine |
| 07/10/2013 | CN103192016A Cold precision forming device for asymmetric large-diameter spur gears |
| 07/03/2013 | CN203030811U Sucker rod head portion forging machine driven by linear motor |
| 07/03/2013 | CN102228950B Multi-connecting rod press machine driven by two paralleled servo motors |
| 07/03/2013 | CN102172759B Mechanical multi-link servo press driven by six parallelly-connected motors |
| 06/26/2013 | CN203023161U Balance cylinder on press machine |
| 06/26/2013 | CN203018663U Multistage cold header clutch installing structure device |
| 06/26/2013 | CN203018662U Heavy forging hammer device with diesel pile hammer structure |
| 06/26/2013 | CN103170566A Servo speed regulation die forging device of ordinary press machine |
| 06/26/2013 | CN103170565A Direct drive type stroke control pressurizing type hydraulic machine of oil-less pump alternating current servo motor |
| 06/26/2013 | CN102430680B Super-slow hydraulic system for synchro-driven die-forging hydraulic press |
| 06/20/2013 | WO2013087924A1 Method for reshaping forged parts |
| 06/19/2013 | CN203003029U Gap adjusting mechanism for main slide block of steel ball cold heading machine |
| 06/19/2013 | CN203003028U Steel ball continuous heating forming upsetting machine |
| 06/19/2013 | CN203003027U Four-pillar lever press |
| 06/12/2013 | CN202984549U Titanium alloy thin plate piece super-plasticity diffusion bonding thermal forming press |
| 06/12/2013 | CN202984548U Petroleum drill pipe joint multi-directional suppression hydraulic machine |
| 06/12/2013 | CN202984547U Forging machine capable of achieving hot forming of hot sheet metal parts |
| 06/12/2013 | CN202984546U Constant temperature thermal forming hydraulic machine |
| 06/12/2013 | CN202984545U Structure of forging space |
| 06/12/2013 | CN103143663A Gapless slide unit transmission mechanism of multi-station cold header |
| 06/12/2013 | CN103143662A Oil-pump-free direct-drive type force control supercharged hydraulic machine provided with alternating current servo motor |
| 06/12/2013 | CN102357630B Numerical control forming method of hot die forging |
| 06/12/2013 | CN102218494B Hydraulic rapid forging press |
| 06/12/2013 | CN102059309B Free hydraulic forging press |
| 06/12/2013 | CN101985150B Hydropress with compound function of isothermal forging and electrode pressing |
| 06/06/2013 | DE102011119973A1 Propulsion system e.g. shaping machine propulsion system, for e.g. crank press, has reversing gear in switching positions of clutches converting flywheel rotation into shaft rotation in rotation direction and/or rearward rotation direction |
| 06/05/2013 | CN202971792U Buffer in reduction box of forging press |
| 06/05/2013 | CN202963992U Joint production device for round steel production engine connecting rod finished product |
| 06/05/2013 | CN202963341U Main impact valve of numerical control hammer |
| 06/05/2013 | CN202963340U Quick adjusting die system of numerical control full-hydraulic die forging hammer |
| 06/05/2013 | CN103128215A Mechanical adjustment control frame structure |
| 06/05/2013 | CN103128214A Power input device |
| 06/05/2013 | CN103128213A Novel press machine link mechanism |
| 06/05/2013 | CN103128212A Adjustable stagewise air cushion cylinder |
| 06/05/2013 | CN103128211A Blocked internal extrusion molding device and molding technology |
| 05/29/2013 | CN202955146U Clutch capable of sucking air from end face |
| 05/29/2013 | CN202951818U Rear passing-out device of cold heading machine |
| 05/29/2013 | CN202951817U Precision forging machine hammer adjusting worm axial buffering device |
| 05/29/2013 | CN202951816U Precision forging machine hammer forging device driven by eccentric shaft |
| 05/29/2013 | CN202951815U Reduction adjusting device of eccentric sleeve type precision forging machine hammer |
| 05/29/2013 | CN202951814U Precision forging machine locking cylinder buffering mechanism |
| 05/29/2013 | CN202951813U Precision forging machine hammer adjusting mechanism annular cavity buffering device |
| 05/29/2013 | CN202951812U Forging press of magnesium alloy shell |
| 05/29/2013 | CN103121077A Connection structure of connecting rod and ball lead screw and with guiding function |
| 05/29/2013 | CN103121076A Flywheel drive mechanism of press machine |
| 05/29/2013 | CN102303083B Quick isothermal forging method and device for preparing less-deformable alloy cake blank |
| 05/22/2013 | CN103111573A Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof |
| 05/22/2013 | CN103111572A Rail wheel forging machine and production method of rail wheels |
| 05/22/2013 | CN103111571A Double-station hydraulic die forging machining system and machining process |
| 05/15/2013 | CN202934062U Tool heating device for high-speed forging machine |
| 05/15/2013 | CN103100629A Forging machine with plunger type cylinder unbalance loading resistant structures and assembling and using method thereof |
| 05/15/2013 | CN103100628A Multifunctional press machine |
| 05/08/2013 | CN202921845U Forging press control system with synchronous motor as power |
| 05/08/2013 | CN103084526A Frequency conversion type double disk friction press |
| 05/01/2013 | CN202910234U Cone valve type main valve structure |
| 04/24/2013 | CN202894175U Precise forging combined body cold forging device |
| 04/24/2013 | CN202894163U Hyperbola streamline pier cap panel profiling device |
| 04/24/2013 | CN202894162U Counter-blow linkage type die forging device |