Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
03/2014
03/19/2014CN203484552U Linear punching device capable of positioning buses automatically
03/19/2014CN203484544U Self-lubricated punching machine
03/19/2014CN203484494U Longitudinal member combined punching die
03/19/2014CN203484493U Electric vehicle shock absorber front upper end cover blanking device
03/19/2014CN203484492U Steel pipe perforator
03/19/2014CN203484491U Punching die
03/19/2014CN203484490U Punching head of punching machine
03/19/2014CN203484489U Door lock punching jig
03/19/2014CN203484488U Punching machine
03/19/2014CN203484487U Die capable of discharging scraps
03/19/2014CN203484486U Novel pipe cutting die
03/19/2014CN203484485U Forming die of left connecting piece for automotive motor
03/19/2014CN203484484U Hub punch die
03/19/2014CN203484483U Cutting die
03/19/2014CN203484482U Discharge device of automatic shoe shank stamping
03/19/2014CN203484481U Motor stator and rotor automatic punching machine
03/19/2014CN203484480U PVC profile steel lining grooving device
03/19/2014CN203484479U Special trimming machine for removing burrs
03/19/2014CN203484478U Hydraulic combined punching and shearing machine
03/19/2014CN103639310A Bottom supporting base for hole location stamping of washing machine box body
03/19/2014CN103639293A Self-positioning processing equipment for circular cone and spherical roller holder
03/19/2014CN103639287A Air duct producing device
03/19/2014CN103639279A Guide arm punching mold
03/19/2014CN103639278A Ear-hole punching die of basin stand
03/19/2014CN103639277A Stamper punch for punching
03/19/2014CN103639276A Stretchable-piece pre-punching mold
03/19/2014CN103639275A Anti-deformation negative clearance punching die
03/19/2014CN103639274A Four-column oil-pressure square pipe punching equipment
03/19/2014CN103639273A Stamping structure for dishwasher liner board
03/19/2014CN103639272A Stamping device for dishwasher liner board
03/19/2014CN103639271A Servo punching main transmission device of numerical control turret punch press
03/19/2014CN103639270A Hole location stamping structure for washing machine box body
03/19/2014CN103639269A One-step pattern punching die
03/19/2014CN103639268A Anti-deformation elastic fine-blanking upper die structure
03/19/2014CN103639267A Anti-deformation elastic negative clearance fine-blanking die
03/19/2014CN103639266A Magnetic-conducting piece blanking die
03/19/2014CN103639265A Lower die structure of magnetic-conducting piece blanking die
03/19/2014CN103639264A Piercing die and punching-cutting machining method
03/19/2014CN103639263A Punching and cutting process
03/19/2014CN102554961B Intro-pipe punching device
03/18/2014US8671731 Progressively stamped clip-on noise damping shim for friction assembly, and method and apparatus for producing clip-on noise damping shim
03/13/2014WO2014038257A1 Lamination device and laminate production system
03/12/2014EP2705914A1 Device for punching a sheet-metal part, including sliding punches
03/12/2014CN203482576U A shielding piece with a half-cut structure and a mould used for forming the shielding piece
03/12/2014CN203471388U Multilayer annular disk body superposition one-off drilling machining positioning frame
03/12/2014CN203470712U Self-locking supporting mechanism for barrel forming die
03/12/2014CN203470649U Progressive die of U-shaped handle guide mounting plate
03/12/2014CN203470637U Fixing structure for chamfering die body of door frame chamfering die
03/12/2014CN203470625U Flange forming machine
03/12/2014CN203470620U Punching female die of belt pulley of automobile air-conditioner compressor
03/12/2014CN203470619U Lower mould structure of step-type annular disc body punching hole
03/12/2014CN203470618U Punched hole die structure designed in optimized mode
03/12/2014CN203470617U Flat hole stamping mould
03/12/2014CN203470616U Guiding device used for punching central moment holes
03/12/2014CN203470615U Former for inserting hole of fuel tank float
03/12/2014CN203470614U Structured packing punching device
03/12/2014CN203470613U Auxiliary device for punching holes in equipment cable clamp
03/12/2014CN203470612U Compensation shearing die for punching plate
03/12/2014CN203470611U Floating waste knife mechanism
03/12/2014CN203470610U Arc-punching forming device for rail end
03/12/2014CN203470609U Cutting-off mechanism used for multi-position progressive die of air conditioner heat transfer piece
03/12/2014CN203470608U Door frame punching die
03/12/2014CN203470607U Punching die body of door frame punching die
03/12/2014CN203470606U Large replaceable blanking male die
03/12/2014CN203470605U Sinusoid type blanking cutting edge
03/12/2014CN203470604U Blanking mechanism for stamping die
03/12/2014CN203470603U Delay cutting-off device
03/12/2014CN203470602U Parallel flow evaporator spacer groove machining device
03/12/2014CN203470601U Punching machine for air valve waste material
03/12/2014CN103624207A Self-lubricating punching mold for large-specification link plate
03/12/2014CN103624146A Edge trimming, punching and hole flanging one-time forming process for basin stand
03/12/2014CN103624140A Multi-piece filter screen blank-punching composite die
03/12/2014CN103624139A Salad hole punching machining die
03/12/2014CN103624138A Inclined hole punching die
03/12/2014CN103624137A Fully-automatic numerical control high-speed punching machine
03/12/2014CN103624136A Salad hole punching machining method and machining die thereof
03/12/2014CN103624135A Punching composite die for machining shaft sleeve and machining method thereof
03/12/2014CN103624134A Stamping die for discharge chute of mixer truck
03/12/2014CN103624133A Trimming process of circular stretching workpiece
03/12/2014CN102581168B Method for manufacturing small-size lock keys and press forming trimming die
03/12/2014CN102527818B Single-station multi-hole stamping die for automobile spoke
03/12/2014CN102500681B Method for processing and forming pipe fitting connection end of motorcycle frame
03/12/2014CN101912915B Front and rear pilot mechanism for longitudinally cutting die
03/11/2014US8667823 Apparatus and method using reduced volume electro-hydraulic chambers for trimming and joining panels
03/11/2014CA2760923C Apparatus for texturing the surface of a brake plate
03/11/2014CA2658982C Multipart punch for hydro piercing
03/06/2014WO2014034670A1 Method and device for trimming square container
03/06/2014WO2014032921A1 Device for working elongated articles
03/05/2014EP2701863A1 Generating channel letters using profiles
03/05/2014DE202012011658U1 Stanzvorrichtung mit einem Sensor A punching device with a sensor
03/05/2014CN203460255U Carrier band punching device
03/05/2014CN203460242U Waste collecting device of hydraulic punching machine
03/05/2014CN203460241U Punching device capable of avoiding blocking
03/05/2014CN203459911U Punching cutting combined machining system
03/05/2014CN203459568U X-direction positioning device for punching U-shaped beam of automobile
03/05/2014CN203459507U Hole punching machine for arc-shaped guide track
03/05/2014CN203459506U Dual-host device for punching U-shaped beam abdomen surface
03/05/2014CN203459505U Punching die for punching small holes
03/05/2014CN203459504U Scraps-jumping-prevention stamping die
03/05/2014CN203459503U Automatic internal punching machine for tapered and spherical roller bearing retainers
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