B21J 13 - Details of machines for forging, pressing, or hammering

Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375)
10/2013
10/02/2013	CN203221172U Deformation prevention guide sleeve
10/02/2013	CN203221171U Connecting structure between core die sleeve and core die in split forging die
10/02/2013	CN203221170U Asymmetric large-diameter straight toothed spur gear cold precision forming device
10/02/2013	CN103331926A Arc-shaped motor-driven numerical control electric screw press
10/02/2013	CN103331388A Novel material ejection mechanism
10/02/2013	CN102387614B Preheating device and using method thereof and steam-air hammer using preheating device
09/2013
09/26/2013	US20130247642 Four-die forging device for forging presses
09/25/2013	CN203209614U One-time demoulding device for internal and external diameter tool
09/25/2013	CN203209613U Front-end sliding frame for horizontal movement of large press frame
09/25/2013	CN203209612U High-load sliding rail structure
09/25/2013	CN203209611U Aluminum alloy connecting rod indirect liquid forging mold structure
09/25/2013	CN203209610U Combined type wedged-type thermoplastic precision forging die
09/25/2013	CN203209609U Fastening cold heading die for engine bearing cover
09/25/2013	CN203209608U Brake calibre guide pin cold upsetting mould
09/25/2013	CN203209607U Multi-station warm forming die for wind power steel ball thermal upsetting
09/25/2013	CN203209606U Steel wire rod bracket
09/25/2013	CN203209605U 电液锤手柄自锁装置 Electro-hydraulic hammer handle lock device
09/25/2013	CN103317515A Cold header clamp
09/25/2013	CN103317082A Manufacturing device and method of high-extrusion finish-forging full-automatic parking brake baseplate
09/25/2013	CN103317074A Wire end forming die of armature coil of direct-current motor
09/25/2013	CN103317073A Spherical swing device for large rotary forging press
09/18/2013	EP2637811A2 Method for forming a workpiece
09/18/2013	EP2637810A2 Tool for machining a workpiece
09/18/2013	CN203197186U Press machine cam lever ejecting mechanism
09/18/2013	CN203197185U Flange supporting frame
09/18/2013	CN203197184U Forging machine tool braking reducer combined rack structure
09/18/2013	CN203197183U Precision forging die of suspension stub shaft
09/18/2013	CN203197182U Circle forming die of hydraulic press
09/18/2013	CN203197181U Novel forging machine connection disc mechanism
09/18/2013	CN103302461A Manufacturing method and manufacturing equipment of integral petroleum heavy weight drill pipe
09/18/2013	CN103302221A Oil press and method for machining axle tube by using same
09/18/2013	CN103302220A One-step forging forming device and method of automobile hubs
09/18/2013	CN103302219A Compacting tool set for penetration-proof tube
09/18/2013	CN103302215A Pull-down hydraulic device for blocking die
09/18/2013	CN102041404B Method for preparing low-oxygen titanium-zirconium-molybdenum (TZM) alloy and application
09/17/2013	CA2584461C Method of making a seamless hot-finished steel pipe, and device for carrying out the method
09/12/2013	WO2013131394A1 Novel forging and charging/discharging two-purpose machine
09/11/2013	CN203184564U Double-groove electric upsetting copper clamp
09/11/2013	CN203184563U Half-shaft type die forging vertical split rotary concave die trimming die
09/11/2013	CN203184562U Rounding die for cold-forging internal-bulge forming of heavy truck axle case
09/11/2013	CN103286253A Special-shaped deep-cavity hot-forging precision coupler knuckle die and processing method thereof
09/11/2013	CN103286252A Compacting die for reducing elbow and forming method of reducing elbow
09/11/2013	CN103286251A Oil supply system of hydraulic forging press
09/04/2013	CN203171638U Multi-station clamping tool
09/04/2013	CN203170905U Installing structure device for feeding ratchet wheel mechanism of multi-station cold header
09/04/2013	CN203170904U Device for assisting electro-hydraulic hammer in forging long workpieces
09/04/2013	CN203170903U Gripping mechanism for multi-station cold header
09/04/2013	CN203170902U 锻造模具 Forging die
09/04/2013	CN203170901U Bolt forming device
09/04/2013	CN203170900U Riveting press bolt forming die for automobile
09/04/2013	CN203170899U Grounding bolt forming die for automobile
09/04/2013	CN203170898U Cold extrusion forming lower die of automobile clutch hub
09/04/2013	CN203170897U Rotation prevention safety protection mechanism
09/04/2013	CN203170891U Closed hot forging forming device of generator claw pole for automobile
09/04/2013	CN103282141A Press device for hot forging
09/04/2013	CN103272981A Bidirectional parting continuous forging system of forming die of pipe end upsetting device
09/04/2013	CN103272980A Die forging device
09/04/2013	CN102776450B Quenching heat treatment process for hot work die steel with low heat resistance
08/2013
08/28/2013	EP2631021A1 Four-die forging apparatus
08/28/2013	CN203157196U Stand column guide sleeve structure with wear-resisting materials capable of being rapidly replaced
08/28/2013	CN203155927U Material fetching, shifting and discharging device in upsetting of oil pipe and oil sucker rod
08/28/2013	CN203155926U Bidirectional clamping device for upsetting of drill rod
08/28/2013	CN203155925U Hydraulic die-forging manipulator
08/28/2013	CN203155924U Drawing mould for preparing semi-solid alloy slurry
08/28/2013	CN203155923U Air valve forging die
08/28/2013	CN203155922U Closed forging die frame of ordinary press
08/28/2013	CN203155921U Forming forging die
08/28/2013	CN203155920U Double-clamp once forging forming mold for high-speed railway insulator
08/28/2013	CN203155919U Molding bed locking device for hydraulic upsetting press
08/28/2013	CN203155918U Mincing knife for forging and pressing cutting or pressing shoulder
08/28/2013	CN203155914U Direct driven press
08/28/2013	CN203155912U Double-station hydraulic die forging machining system
08/28/2013	CN103264136A Locking system for forming die of pipe end thickening equipment
08/28/2013	CN103264135A One-time forging mold for bicycle bearing
08/28/2013	CN103264129A Processing technology for improving Damascus multi-layer steel plate lines
08/21/2013	CN203140675U Adjusting rack for channel steel processing
08/21/2013	CN203140674U Mechanical deflection compensation device of numerical control bending machine
08/21/2013	CN203140673U Forging die holder sleeve piece
08/21/2013	CN203140672U Blocked shaping die for oil nozzle blank of high-pressure common rail system
08/21/2013	CN203140671U Blocked shaping formwork for oil nozzle blank of high-pressure common rail system
08/21/2013	CN203140670U Claw pole pre-forging die structure
08/21/2013	CN203140669U Drill rod external-upsetting forming die
08/21/2013	CN203140668U Welding puncher pin based on hot-forging die
08/21/2013	CN203140666U Press for stamping rings
08/21/2013	CN203140579U Multi-process shaping combined die
08/21/2013	CN103260789A Tool for machining a workpiece
08/21/2013	CN103260788A Method for forming a workpiece
08/21/2013	CN103252627A Two-layer combined concave mould and machining method thereof
08/21/2013	CN103252441A Belt pulley forging mould
08/21/2013	CN103252440A Secondary forging die for hub of bicycle
08/21/2013	CN103252439A Blank manufacturing press upsetting table device
08/21/2013	CN103252435A Hydraulic upsetter loose tooling locking device
08/21/2013	CN102248114B Process and die for forming automobile hub by integrally forging and extruding light alloy
08/21/2013	CN101564752B Slide with segmented tooling held closed by stationary remote spring
08/14/2013	CN203124628U Hot forging core-wrapping combined mould
08/14/2013	CN203124627U Combined die
08/14/2013	CN203124626U Die cores and die sleeve for compression pin head forming die
08/14/2013	CN203124625U Inner core of combination die for forge pieces with short shafts
08/14/2013	CN203124624U Double-flange-shaft die with short opening
08/14/2013	CN203124623U Assembling die for producing large ball valves through die forging

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