| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 01/22/2014 | CN203400971U High-precision punching die of light-emitting diode support |
| 01/22/2014 | CN203400970U Tooth cutting die of cooling teeth of cooling device |
| 01/22/2014 | CN203400969U Cutting edge part of punching die |
| 01/22/2014 | CN203400968U Automatic-ejection type punching die for closed-contour sheet metal part |
| 01/22/2014 | CN203400967U Axle housing upper and lower piece stamping arc-shaped gap type mould |
| 01/22/2014 | CN103532262A Motor punching of refrigeration compressor and discharge blanking technology thereof |
| 01/22/2014 | CN103527916A Metal part to be stamped |
| 01/22/2014 | CN103521606A Multi-station automobile aluminum alloy profile bending and punching system |
| 01/22/2014 | CN103521605A Flange punching blanking stamping device for automobile exhaust pipe |
| 01/22/2014 | CN103521604A Tube coiling mechanism of tube coiling machine |
| 01/22/2014 | CN103521602A Tiny punch structure for maximum blanking |
| 01/22/2014 | CN103521601A Hydraulic control system and hydraulic control method of front blank pushing cylinder of perforating machine |
| 01/22/2014 | CN103521600A Electric hole pressing machine |
| 01/22/2014 | CN103521599A Mould structure avoiding generation of longitudinal cutting burrs caused by single and double jumps of air conditioner fins |
| 01/22/2014 | CN103521598A Trimming scrap cutter and trimming mold |
| 01/22/2014 | CN103521597A Image aligning and punching device and control method |
| 01/22/2014 | CN103521596A Automatic door punching machine for chicken coop net |
| 01/22/2014 | CN103521595A Copper alloy die machining device and machining process |
| 01/22/2014 | CN103521594A Lifting type sheet metal part punching device |
| 01/22/2014 | CN103521593A Automatic blanking die of sheet metal part |
| 01/22/2014 | CN103521592A Method for improving quality of fracture of blank of high-strength steel |
| 01/22/2014 | CN103521591A Conical rotor motor multi-column malposition punching piece blanking technology |
| 01/22/2014 | CN103521590A Bidirectional coaxial hole machining equipment |
| 01/22/2014 | CN102371304B Cantilever manual punching machine for asymmetric deep groove square pipe |
| 01/22/2014 | CN102366779B Support central pipe processing mechanism for filter |
| 01/16/2014 | US20140017443 Piercing method, production method for structure having hole, and structure having hole |
| 01/16/2014 | DE102006031890B4 Einrichtung zum gewichtsgenauen Ablängen von Stangenabschnitten und Verfahren zur Ermittlung der Schlagenergie Means for weight-exact cutting of slugs and procedures for determining the impact energy |
| 01/15/2014 | EP2684624A1 Method to obtain a spacer element for a radiant panel, corresponding apparatus to obtain a spacer element and spacer element thus obtained |
| 01/15/2014 | CN203390538U Upsetting die for rod piece with transverse hole |
| 01/15/2014 | CN203390096U Roll material processing and shaking feed system |
| 01/15/2014 | CN203390061U Low-melting-point alloy mold applicable to punching |
| 01/15/2014 | CN203390051U Punch-tensile-failure-prevention punching die for punching special-shaped small punched holes |
| 01/15/2014 | CN203390050U Synchronous hole punching mold for left lower swing arm of automobile |
| 01/15/2014 | CN203390049U Connection terminal punching die |
| 01/15/2014 | CN203390048U Silicon steel sheet stamping die of combined motor rotor |
| 01/15/2014 | CN203390047U Punching die structure for side wall of centrosymmetric part |
| 01/15/2014 | CN203390046U Blind window mold |
| 01/15/2014 | CN203390045U Automatic feeding numerical control punch press |
| 01/15/2014 | CN203390044U Flat numerical control punching machine |
| 01/15/2014 | CN203390043U Steel plate punching tool |
| 01/15/2014 | CN203390042U Guide plate-type blanking mold |
| 01/15/2014 | CN203390041U Stamping progressive die for thick-steel-plate local fine stamping tooth product |
| 01/15/2014 | CN203390040U Cutter mold for trimming chin link |
| 01/15/2014 | CN203390039U Stamping male die for preventing motor stamping piece from generating wave shape |
| 01/15/2014 | CN203390038U Micro-indentation material breakage mold |
| 01/15/2014 | CN203390037U First-cut blanking die for door frame |
| 01/15/2014 | CN203390036U Mold with automatic cutting |
| 01/15/2014 | CN203390035U Stamping trimming device allowing automatic blowing |
| 01/15/2014 | CN103507286A Small-scale punch press with gantry-type structure |
| 01/15/2014 | CN103507115A Combined cutting die |
| 01/15/2014 | CN103506518A Machine tool and method for moving workpiece parts away |
| 01/15/2014 | CN103506490A Device and method for trimming material discharging of automobile covering parts |
| 01/15/2014 | CN103506469A Former of insertion hole of buoy of oil tank |
| 01/15/2014 | CN103506468A Precise-positioning metal mold using method |
| 01/15/2014 | CN103506467A Die forging punching equipment |
| 01/15/2014 | CN103506466A Method for machining main shaft framework oil seal hole of diesel engine gear chamber cover |
| 01/15/2014 | CN103506465A Small-opening check ring continuous die and small-opening check ring machining technology utilizing same |
| 01/15/2014 | CN103506464A Circular detachable anticorrosion trimming die |
| 01/15/2014 | CN103506463A Hexagonal wear-resistant detachable trimming die |
| 01/15/2014 | CN103506462A Circular trimming die |
| 01/15/2014 | CN103506461A Four-corner anti-abrasion trimming die |
| 01/15/2014 | CN103506460A Corrosion prevention trimming die with four detachable corners |
| 01/15/2014 | CN103506459A Tooth punching machine |
| 01/15/2014 | CN102500682B Punching and processing process of plate edge copper-plated half-hole plate |
| 01/14/2014 | US8627753 Reorientable rotatable processing tool |
| 01/09/2014 | WO2014007117A1 Roll molding device |
| 01/08/2014 | CN203380256U Guardrail plate punching die |
| 01/08/2014 | CN203380255U Device for punching inclined hole positively |
| 01/08/2014 | CN203380254U 冲孔装置 Punching device |
| 01/08/2014 | CN203380253U Pipe fitting punching device |
| 01/08/2014 | CN203380252U Supporting frame plate punching machine |
| 01/08/2014 | CN203380251U Row punching machine |
| 01/08/2014 | CN203380250U Automatic device used for removing burrs |
| 01/08/2014 | CN203380249U Automatic notching die for battery cases |
| 01/08/2014 | CN203380248U Blanking die of motor silicon steel sheet |
| 01/08/2014 | CN203380247U Shearing device for formation of aluminum veneers |
| 01/08/2014 | CN203380246U Attack angle system used for producing aluminum panels |
| 01/08/2014 | CN103501932A Apparatus for press blanking and packaging member plate |
| 01/08/2014 | CN103495676A Automatic material retreating mechanism for barrel forming die |
| 01/08/2014 | CN103495670A Self-locking and supporting mechanism for barrel forming die |
| 01/08/2014 | CN103495649A One-time punching die of air conditioner compressor outer shell |
| 01/08/2014 | CN103495647A Improved technology and device for extensible door connecting pipe end edge opening sealing machining |
| 01/08/2014 | CN103495646A Fan cover side surface punching die |
| 01/08/2014 | CN103495645A Junction box upper surface punching mold |
| 01/08/2014 | CN103495644A Method and equipment for machining automobile steering pump motor shaft stepped hole |
| 01/08/2014 | CN103495643A Single hole punch die device |
| 01/08/2014 | CN103495642A Blanking mould for fan cover |
| 01/08/2014 | CN103495641A Edge-cutting mold of junction box |
| 01/08/2014 | CN103495640A Hole check ring sleeved row continuous die and hole check ring machining technology |
| 01/08/2014 | CN103495639A Automatic notching device for lock body machining device |
| 01/08/2014 | CN103495638A Full-automation grooving machine of grooved plug screw |
| 01/07/2014 | US8621907 Method for making metallic casing |
| 01/01/2014 | CN203370976U Automatic flash pushing and removing device for workpiece trimming |
| 01/01/2014 | CN203370969U Automatic feeding punching machine |
| 01/01/2014 | CN203370927U Multifunctional hydraulic angle steel processing machine |
| 01/01/2014 | CN203370924U Sliding groove type rotating mould position device |
| 01/01/2014 | CN203370923U Punching die for multifunctional hydraulic angle steel processing machine |
| 01/01/2014 | CN203370922U Automatic telescopic punch positioning device for multifunctional hydraulic angle steel processing machine |
| 01/01/2014 | CN203370921U Copper bar connecting piece punching die |
| 01/01/2014 | CN203370920U Oil-pressure multi-head three-dimensional punch press |