Patents for B21D 22 - Shaping without cutting, by stamping, spinning, or deep-drawing (12,324)
07/2012
07/25/2012CN102601199A Precise-spin reducing device for fixed core type thin wall pipe
07/25/2012CN102601198A Spin forming device for molybdenum plate
07/25/2012CN102601197A Numerical control hydraulic powerful spinning machine
07/25/2012CN102601196A Spin forming device for sheet metal parts and forming method
07/25/2012CN102601195A Pier thickness stamping process of separated pull ring and pier thickness stamping die
07/25/2012CN102601194A Molded surface compensation method of large stamping die aiming at deflection deformation of press machine
07/25/2012CN102601193A Method for controlling rebounding of high-strength steel by aid of elliptical-arc-shaped fillet of female die
07/25/2012CN102601192A Automatic punching machine guided by machine vision
07/25/2012CN101979175B High-speed automatic punching machine
07/25/2012CN101961742B Full-automatic mandrel head hydraulic hot stamping forming machine
07/25/2012CN101912944B Method for machining aluminum alloy hub
07/19/2012WO2012096336A1 Press forming method for steel plate
07/19/2012US20120180544 Metal sheet pressing method
07/19/2012US20120180542 Method and Apparatus for Sharp Flanging and Trimming Sheet Metal Panels
07/18/2012EP2476494A1 Pressurised metal container preform and a method of making same
07/18/2012CN202336529U Mould for moulding multiple end lug bosses in one step
07/18/2012CN202336528U 滤清器外壳二道拉伸复合模 Cleaner housing two stretched composite molding
07/18/2012CN202336520U 一种分体式数控转塔冲床 A separate-type CNC turret punch press
07/18/2012CN102588588A Biphasic carbon alloy steel end socket and production equipment thereof
07/18/2012CN102588393A High-speed punching hydraulic circuit of hydraulic punching machine
07/18/2012CN102581166A Expanding die and method of shaping containers
07/18/2012CN102581164A Separated type semisolid metal micro-thixotropic shaping device with upper and lower demolding mechanisms
07/18/2012CN102581142A Counter balance assembly for automobile covering part die
07/18/2012CN102581127A Stamping die and method for backboard convex hull structure suitable for light emitting diode (LED) display
07/18/2012CN102581126A Stamping die and method for circular convex hull on backboard of flat display
07/18/2012CN102581107A Bidirectional double-punching can body drawing machine
07/18/2012CN102581106A Miniature sheet-metal part drawing method
07/18/2012CN102581105A Rotary relay station used for punch
07/18/2012CN102581104A Spinning machine for thickening disk periphery
07/18/2012CN102581103A Improved spinning method for aluminum wheels
07/18/2012CN102581102A Dual-elbow-rod punch
07/18/2012CN102026503B Combined processing method
07/18/2012CN101987334B High-low pressure buffer system
07/18/2012CN101947589B Punching device for buffer support of rear shock absorber of automobile
07/18/2012CN101716621B Tooth shape processing and molding method of hollow pipe fitting and special mold thereof
07/17/2012CA2508716C Sheet metal layered with phosphate ester and lubricant
07/12/2012WO2012092883A1 Scraper shovel applied to electric tools and manufacturing method thereof
07/12/2012WO2012031022A3 High aspect ratio parts of bulk metallic glass and methods of manufacturing thereof
07/12/2012US20120177879 Flow formed drum with a retention ring and a substantially burr free tooth profile
07/11/2012EP2473297A2 Method and device for producing a metal component
07/11/2012CN202316819U 手动旋压扩口机 Manual spinning Belling Machine
07/11/2012CN202316782U 轿车行李箱内板拉延模具 Inside the car trunk panel drawing die
07/11/2012CN202316725U 一种椭圆环拉伸机 An Elliptical ring stretching machine
07/11/2012CN202316724U 一种薄板拉伸液压机 One kind of thin stretch of hydraulic machines
07/11/2012CN202316723U 一种多功能压力机 A multifunctional Presses
07/11/2012CN202316722U Intersection forming structure for triangular surface of metal plate piece
07/11/2012CN202316721U Improved working platform of numerical control turrent punch press
07/11/2012CN202316720U 一种冲压机械手的气动重力平衡装置 Pneumatic gravity balancing device stamping manipulator
07/11/2012CN202316719U 板翅式换热器翅片成型机的上座板平衡调整结构 Plate-fin heat exchanger fin molding machine Theravada balance board restructuring
07/11/2012CN202316718U 用于铁艺弯管的油压冲床 Iron elbow for hydraulic presses
07/11/2012CN102574193A Apparatus for manufacturing necking cans
07/11/2012CN102574187A Device, method and tool for producing a rimmed passage in a component
07/11/2012CN102574186A Container, and selectively formed cup, tooling and associated method for providing same
07/11/2012CN102564191A Radiating pipe base and machining method thereof
07/11/2012CN102562983A Crank and connecting rod transmission mechanism and main transmission system of punch
07/11/2012CN102562761A Lead screw nut and manufacturing method for same
07/11/2012CN102560295A Thermal processing method for improving aluminum alloy stamping forming
07/11/2012CN102560135A Integral copper crucible and method for producing copper crucible by integral forging and rotary pressing
07/11/2012CN102555266A Punch cam transmission mechanism of mechanical servo numerical-control rotating tower punch press
07/11/2012CN102554587A Internal thread machining improved process
07/11/2012CN102554567A Manufacturing method of platinum bar and platinum bar mould-pressing device
07/11/2012CN102554046A Auxiliary guide mechanism of deep drawing operation part
07/11/2012CN102554040A Magnesium alloy sheet different temperature drawing mold
07/11/2012CN102554038A Side-driving material pressing mechanism and stamping method thereof
07/11/2012CN102554035A Integral type structure of location, pressing and discharging for deep-drawing moulds
07/11/2012CN102554031A Molding device for double-material-belt multi-shape heat dissipation fin
07/11/2012CN102554028A Hole edge chamfering processing technology
07/11/2012CN102554008A Active reconfigurable stretch forming tool and method
07/11/2012CN102554007A Sheet drawing and incremental forming combined device
07/11/2012CN102554006A Multi-station hydraulic drawing machine
07/11/2012CN102554005A Manufacturing process of tantalum made containers and mould thereof
07/11/2012CN102554004A Drawing process of cup body with square flange
07/11/2012CN102554003A Process for stretching storage battery tray of automobile
07/11/2012CN102554002A Numerical control spinning device for overlong thin-wall tube fitting model without mandril
07/11/2012CN102554001A Hot plate mould forming method and hot plate mould forming device
07/11/2012CN102554000A Upper base plate balance regulating structure of forming machine for fins of plate-fin heat exchangers
07/11/2012CN102553999A Punch mechanism and zipper tooth planting machine using same
07/11/2012CN102114510B Automatic discharging device for cold stamping composite die
07/11/2012CN102049665B Preparation method of Ni-Cr-Mo corrosion-resistant alloy cylindrical piece
07/11/2012CN101804436B Automatic feeder for punch
07/11/2012CN101288889B Ultra-high strength steel hot stamping forming die
07/11/2012CA2764025A1 Flow formed drum with a retention ring and a substantially burr free tooth profile
07/05/2012WO2012091368A2 Method for manufacturing inner structure of regenerative cooling type combustion chamber
07/05/2012WO2012091346A2 Method of manufacturing multi physical properties part
07/05/2012WO2012039882A3 Elevated temperature forming methods for metallic materials
07/05/2012US20120168107 Surgical needle and method of manufacturing a surgical needle
07/04/2012EP2471610A1 Press forming method
07/04/2012EP2470314A1 Device, method and tool for producing a rimmed passage in a component
07/04/2012EP2158981B1 Stripper for can drawing and ironing device
07/04/2012CN202297011U 一种升降台 A passenger station
07/04/2012CN202291054U 板翅式换热器翅片成型机的下模板受力平衡结构 Under Templates force balance structural plate-fin heat exchanger fin molding machine
07/04/2012CN202291052U 板翅式换热器翅片成型机的下刀座滑移结构 Under the knife slip structural plate-fin heat exchanger fin molding machine
07/04/2012CN202291014U 拉伸模具导料结构 Material structure drawing dies guide
07/04/2012CN202291005U Improved drawing mould
07/04/2012CN202290990U 拉延模平衡块高度检测器 Drawing die balance block height detector
07/04/2012CN202290986U 锂电池铝覆膜壳冲压机 Lithium aluminum coated shell stamping machine
07/04/2012CN202290934U 多工位立式皮带轮旋压机 Multi-position vertical pulley Spinning Machine
07/04/2012CN202290933U 一种旋压轮结构 One kind of spinning wheel structure
07/04/2012CN202290932U 一种数控快速旋压成型机床 One kind of CNC rapid flow forming machine
07/04/2012CN202290931U 一种手扳压力机 One kind of lever presses
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