| Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375) |
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| 05/22/2013 | CN202943207U Special die for abnormal shape rings and with improved structure |
| 05/22/2013 | CN202943206U Composite insulator ball socket metal fitting forging forming die |
| 05/22/2013 | CN202943205U Supporting column flange once-forging molding die for transformer substation |
| 05/22/2013 | CN202943204U Scroll-mobile workbench of forging hydraulic press |
| 05/22/2013 | CN103111576A Die move limiting device |
| 05/22/2013 | CN103111575A Fully circular mold special for heavy truck axle housing cold forging inner rising molding |
| 05/22/2013 | CN103111574A Automatic ink-jet blowing system for hot die forging press |
| 05/22/2013 | CN103111571A Double-station hydraulic die forging machining system and machining process |
| 05/22/2013 | CN102198482B Method for changing die of pressing machine |
| 05/15/2013 | CN202934072U Gear chamfering clamp |
| 05/15/2013 | CN202934071U Anvil changing device of manipulator |
| 05/15/2013 | CN202934070U Positioning structure of turbine blade blank |
| 05/15/2013 | CN202934069U Mold longitudinal locking structure of large forging mold |
| 05/15/2013 | CN202934068U Positioning and adjusting structure of large forging mold |
| 05/15/2013 | CN202934067U Forging die of TC4 alloy large-scale drum forge piece |
| 05/15/2013 | CN202934066U Large-size combined type round die structure |
| 05/15/2013 | CN202934065U Blank positioning structure of plate-type forge piece |
| 05/15/2013 | CN202934064U Damping structure of open forging die |
| 05/15/2013 | CN202934063U Valve rod blank forging die |
| 05/15/2013 | CN103100633A Press machine cam lever ejecting mechanism |
| 05/15/2013 | CN103100632A Die holder carved iron locking mechanism of forging die |
| 05/15/2013 | CN103100631A Longitudinal die locking structure of large forging die |
| 05/15/2013 | CN103100630A Workpiece framework of solid of revolution |
| 05/15/2013 | CN103100628A Multifunctional press machine |
| 05/15/2013 | CN103100594A Press forging mould |
| 05/08/2013 | CN202921856U Forging mechanical clamp |
| 05/08/2013 | CN202921855U Detachable multi-finger manipulator applied for forging machine |
| 05/08/2013 | CN202921854U Die anti-skidding and positioning device |
| 05/08/2013 | CN202921853U Die for precision forging process of thrust wheel |
| 05/08/2013 | CN202921852U Solid bar upsetting mold |
| 05/08/2013 | CN202921851U Cone forging die |
| 05/08/2013 | CN202921850U Centrifugal seat forging mold |
| 05/08/2013 | CN202921849U Split type mould |
| 05/08/2013 | CN202921848U Cylinder block forging mould |
| 05/08/2013 | CN202921847U Wheel hub shaping mould |
| 05/08/2013 | CN202921846U Novel forging punch |
| 05/08/2013 | CN103084528A Material lack resistant device of cold header |
| 05/08/2013 | CN103084527A Preforming forging die of sector-shaped forge piece |
| 05/08/2013 | CN102172755B Connecting rod manufacturing method capable of improving surface quality of connecting rod of medium-speed/high-speed diesel engine |
| 05/01/2013 | CN202910236U Die for manufacturing gear of motorcycle oil pump |
| 05/01/2013 | CN202910235U Cold heading forming mould of metal wire round head |
| 05/01/2013 | CN103071748A Large-size moving contact precision forging technology and mold |
| 05/01/2013 | CN103071747A Fan-shaped forged piece and precision forging process for same |
| 04/25/2013 | DE112010005692T5 Horizontalschmiedemaschine für Schiffsschubwelle Horizontal forging machine for ship shear wave |
| 04/24/2013 | CN202894196U Mechanical automatic downward piece-ejecting device |
| 04/24/2013 | CN202894195U Double suspension rods type six free degrees forging operating machine |
| 04/24/2013 | CN202894194U Synchronous connecting rod forward-connecting forging manipulator |
| 04/24/2013 | CN202894193U Lifting mechanism suspension type forging manipulator |
| 04/24/2013 | CN202894192U Motion partly decoupling forging manipulator |
| 04/24/2013 | CN202894191U Less coupling motor type forging manipulator |
| 04/24/2013 | CN202894190U Sport less-coupling type six-freedom-degree forging operation machine |
| 04/24/2013 | CN202894189U Lift arm suspension type forging manipulator |
| 04/24/2013 | CN202894188U Forging manipulator including hanging lift arm |
| 04/24/2013 | CN202894187U Forging manipulator capable of optimizing and lifting drive |
| 04/24/2013 | CN202894186U Forging manipulator capable of reducing movement energy consumption of clamp |
| 04/24/2013 | CN202894185U Forging manipulator of six degrees of freedom |
| 04/24/2013 | CN202894184U Single lift arm six-degree-freedom forging manipulator |
| 04/24/2013 | CN202894183U Multi-hanging-rod combined-type forging manipulator |
| 04/24/2013 | CN202894182U Forging manipulator |
| 04/24/2013 | CN202894181U Forging manipulator capable of optimizing and lifting motion |
| 04/24/2013 | CN202894180U Double lifting drive forging manipulator |
| 04/24/2013 | CN202894179U Single lifting arm forging manipulator |
| 04/24/2013 | CN202894178U Forging manipulator of six degrees of freedom |
| 04/24/2013 | CN202894177U Cold header loop bar pushing equipment |
| 04/24/2013 | CN202894176U Rocking bar device |
| 04/24/2013 | CN202894175U Precise forging combined body cold forging device |
| 04/24/2013 | CN202894174U Die structure of automobile transmission shaft flange fork |
| 04/24/2013 | CN202894173U Dual-part-sharing die structure of automobile transmission shaft flange fork |
| 04/24/2013 | CN202894172U Forging die for support forge piece |
| 04/24/2013 | CN202894171U Mold structure of thin web plate fork-shaped shell forge piece |
| 04/24/2013 | CN202894170U Using mould of powder high-temperature alloy isothermal forging |
| 04/24/2013 | CN202894169U Tooth-shaped tubular column cold forging gear hole extruding mould |
| 04/24/2013 | CN202894168U Worm forged die for elevator fittings |
| 04/24/2013 | CN202894167U 阀芯锻模 Spool die |
| 04/24/2013 | CN202894166U Valve core forging die |
| 04/24/2013 | CN202894165U Double-lug flat-base flange yoke forging die |
| 04/24/2013 | CN202894164U Forging hammer die |
| 04/24/2013 | CN202893780U Cold header fume extractor |
| 04/24/2013 | CN103056337A Liquid forging mould of blank of separator rotary drum and liquid forging method thereof |
| 04/24/2013 | CN103056270A Method for designing gear forging die by three-order non-uniform rational B-splines |
| 04/24/2013 | CN103056267A Rapid die changing mechanism and die changing method for compression of AT steel rails |
| 04/24/2013 | CN103056266A Parallel rod type forging manipulator lifting mechanism with slantly-arranged pitching linear actuator |
| 04/24/2013 | CN103056265A Rotatable anvil block structure |
| 04/24/2013 | CN103056264A Closed cold-temperature precision forging die for straight-tooth bevel gear |
| 04/24/2013 | CN103056263A Forging device |
| 04/24/2013 | CN103056241A Material returning and discharging device |
| 04/24/2013 | CN102357640B Continuous cold heading once near-net-shape forming die assembly of valve spring seat |
| 04/23/2013 | US8424359 Bending press with a loading device and method for its operation |
| 04/18/2013 | US20130092024 Method for simultaneously producing first and second piston parts |
| 04/18/2013 | US20130091921 Rod benders and methods of use |
| 04/18/2013 | US20130091920 Modular pilot assembly with self-contained stripper and method for metal forming dies |
| 04/17/2013 | CN202877461U Pin rail high bridge material locking mold |
| 04/17/2013 | CN202877460U Blank-making mold for creeper tread |
| 04/17/2013 | CN202877459U Forging hammer insert mold locating device |
| 04/17/2013 | CN103042152A Turning method implemented during upper-flat and lower-V anvil stretching |
| 04/17/2013 | CN103042151A Totally-closed bevel gear shaft cold heading mould structure |
| 04/17/2013 | CN103042150A Square insert forging die with double-sided finish forging impression |
| 04/17/2013 | CN103042149A Claw pole forging mould of forged type automobile generator and forging method |
| 04/17/2013 | CN102179464B Process for forming generator claw pole of vehicle |
| 04/16/2013 | US8418522 Hand/pneumatics dual operation vacuum pulling device |