Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 28 - Shaping by press-cutting; Perforating
Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
07/2012
07/11/2012CN102554028A Hole edge chamfering processing technology
07/11/2012CN102554027A Symmetrical multi-cavity discharging technology
07/11/2012CN102554022A Piercing punch device for partition plates used in refrigerators
07/11/2012CN102554021A Punch for machining irregularly-shaped hole at thread of thin-wall part
07/11/2012CN102554020A Rotating punching machine for aluminum extrusion pieces
07/11/2012CN102554019A Novel punching machine
07/11/2012CN102554018A Explosive high-speed cutting test device
07/11/2012CN102554017A Punching tooth forming mould for sedan seat mop tube
07/11/2012CN102554016A Hobbing die of numerical-control punch
07/11/2012CN102554015A Upper die of trimming mould of numerical control punch press
07/11/2012CN102554014A Hobbing die of numerical-control punch
07/11/2012CN102554013A Tooth removal device for metal zipper sizing and cleaning and tooth removal method thereof
07/11/2012CN102554012A Die blanking process utilizing matching of large clearance and small clearance
07/11/2012CN102554011A Main drive mechanism for integral-feeding nominal pressure of mechanical servo numerical control turret punch press
07/11/2012CN102114507B Numerical control (NC) punching machine tool
07/11/2012CN101898213B Cutting device
07/05/2012WO2012090249A1 Method for forming taper hole in suspension component
07/05/2012WO2012063072A3 Piercing tool
07/05/2012DE112010002347T5 Metallverbundelement, Metallverbindungsverfahren und Metallverbindungsvorrichtung Sandwich panels, metal joining methods and metal connecting device
07/05/2012DE102011007937A1 Method for manufacturing structural component i.e. B-pillar, for e.g. motor car, involves rolling cut patches to form regions of different thickness, and connecting cut base components with cut patches
07/04/2012CN202291129U 起重机底板冲孔模具的卸料结构 Construction crane unloading floor punching dies
07/04/2012CN202291080U 一种切割海绵钛坨的油压机刀片冷却装置 A cutting titanium sponge lump hydraulic machine blade cooling device
07/04/2012CN202291044U 切边冲孔模具 Trimming punching die
07/04/2012CN202291041U 切边冲孔复合模具的冲孔凹模 Trimming punching composite die punching die
07/04/2012CN202291040U 切边冲孔模具的冲孔凸模 Trimming punching die punching punch
07/04/2012CN202291039U 切边冲孔模具的切边凹模 Trimming trimming die punching mold
07/04/2012CN202291020U 线路铁件用垫片一次成形模 Rail lines forming a mold with a gasket
07/04/2012CN202291015U Backflush punching and forming die
07/04/2012CN202291002U 下端盖上模 The lower lid mold
07/04/2012CN202290991U Punching hole switching device
07/04/2012CN202290986U 锂电池铝覆膜壳冲压机 Lithium aluminum coated shell stamping machine
07/04/2012CN202290985U 一种用于内六角螺塞冲压加工的辅助装置 Hexagon plug an auxiliary device for stamping
07/04/2012CN202290984U Universal punching die for metal protection cover plate
07/04/2012CN202290983U 轴承座模具的冲孔凹模 Bearing die punching die
07/04/2012CN202290982U 轴承座模具的冲孔凸模 Bearing mold punching punch
07/04/2012CN202290981U 车轮冲孔挤压复合冲头 Extruded composite wheel punching punch
07/04/2012CN202290980U 板材打孔模具 Sheet metal punching dies
07/04/2012CN202290979U Turned-punching punch structure
07/04/2012CN202290978U 滤清器止回阀体四道穿孔工装 Filter valve body four perforation tooling
07/04/2012CN202290977U 便携式手动冲孔机冲头 Portable Hand punching machine punch
07/04/2012CN202290976U 一种冲腰型孔的冲压模具 One kind of waist-shaped hole punch press die
07/04/2012CN202290975U 工字形冲孔模 I-shaped punching die
07/04/2012CN202290974U 一种带自卸料装置的冲孔模具 A self-piercing die with unloading equipment
07/04/2012CN202290973U 一种门架铰链冲孔装置 One kind of mast hinge punching device
07/04/2012CN202290972U 一种金属管材冲孔机 One metal pipe punching machine
07/04/2012CN202290971U 用于汽车离合器片生产加工的冲孔机 Clutch plates for automobile production and processing of punching machine
07/04/2012CN202290970U 自动卸料的金属板条复合冲孔机 Automatic unloading of metal lath composite punching machine
07/04/2012CN202290969U 一种自动冲孔机 An automatic punching machine
07/04/2012CN202290968U Positioning punching device for high-capacity battery tab
07/04/2012CN202290967U 双边异形打孔机 Bilateral shaped punch
07/04/2012CN202290966U 汽车侧围气缸冲侧孔装置 Car side panels cylinder side of the hole punch unit
07/04/2012CN202290965U 一种型钢打侧孔设备 One kind of steel hit the side of the hole equipment
07/04/2012CN202290964U Sidewise punching structure
07/04/2012CN202290963U Flywheel disc bar device for notching press
07/04/2012CN202290962U Chute punching power device for numerical control punching machine
07/04/2012CN202290961U 剖切模具 Die cut
07/04/2012CN202290960U 一种压缩机上壳体切边模具 A compressor on the housing trimming dies
07/04/2012CN202290959U 控制全尺寸的冲头 Control full-size punch
07/04/2012CN202290958U Blanking concave mould for chamfering inclined cutting edge
07/04/2012CN202290957U 工字钢切断模 I-beam cutting die
07/04/2012CN202290956U 冷轧卷料硅钢片一落二冲模 Cold rolled silicon steel sheet material of a fall two punch
07/04/2012CN202290955U Stamping die mechanism
07/04/2012CN202290954U 汽车交流发电机罩盖冲压连续模具 Automotive alternator cover stamping molds for
07/04/2012CN202290953U 一种手动式冲裁模具 A manual type punching die
07/04/2012CN202290952U 厚板精密冲裁模具 Thick precision punching die
07/04/2012CN202290951U 起重机油罩落料模结构 Crane oil cap blanking die structure
07/04/2012CN202290950U 一种切筋切边装管模具的凹模部分结构 One kind of cut tendons trimming tubing die die part of the structure
07/04/2012CN202290949U 一种摩托车车架管件端头成形加工模具 A motorcycle frame tube end forming mold
07/04/2012CN202290948U 一种在u型板材侧壁上加工v型切口的模具 A processing v u-shaped incision in the side walls of the mold type plate
07/04/2012CN202290947U 镶拼式下刀结构 Mosaic-type structure under the knife
07/04/2012CN202290946U 曲轴切边双托结构 Crankshaft trimming double-care structure
07/04/2012CN202290945U 一种冲裁模具 One kind of punching die
07/04/2012CN202290944U 滤清器外壳修边上模 The edge of the mold cleaner housing repair
07/04/2012CN202290943U 滤清器外壳落料模 Filter housing blanking die
07/04/2012CN202290942U 一种汽车侧围自动化开卷落料机构 An automobile side panels automation blanking agency
07/04/2012CN202290941U 一种带“十”定位装置的圆刀模 A circular die cutter with "ten" positioning device
07/04/2012CN202290940U Thin-wall resonance rod punching device
07/04/2012CN202290939U 花纹铝板气动切角模具 Notching mold pattern aluminum pneumatic
07/04/2012CN202290938U 一种金属尾蒂、毛刺、突起去除装置 One metal tail pedicle, burrs, projections removal device
07/04/2012CN202290937U 铜包铝排切断设备 Copper clad aluminum row cutting equipment
07/04/2012CN202290936U 一种旋切机构 One kind of peeling mechanism
07/04/2012CN202290935U 自动开料机 Automatic cutting machine
07/04/2012CN102548807A Method of manufacturing perforated pipe for gas generator, as well as gas generator
07/04/2012CN102548719A Knockout device
07/04/2012CN102528465A Hot-extrusion production line of prestressed anchorage device clamping piece
07/04/2012CN102527833A Technique for processing lug boss by using plate spring of automobile
07/04/2012CN102527827A Split type punching upper die
07/04/2012CN102527826A Upper mould of porous mould
07/04/2012CN102527825A Structural steel hydraulic piercing machine
07/04/2012CN102527824A Inclined plane punching die structure
07/04/2012CN102527823A Fin trimming device for steering wheel of automobile
07/04/2012CN102527822A Processing and cutting mold for front column inner skin of miniature vehicle
07/04/2012CN102527821A Processing and trimming die for inner skin of front pillar of minicar
07/04/2012CN102527820A Aluminum alloy die casting piece trimming die with smooth cut
07/04/2012CN102527819A Punching mold for seal assembly door inside of vehicle
07/04/2012CN102527818A Single-station multi-hole stamping die for automobile spoke
07/04/2012CN102527817A Punching die for products of diverse shapes
07/04/2012CN102527816A Stamping mechanism with high planeness
07/04/2012CN102527815A Fine trimming continuous stamping process
07/04/2012CN102527814A Power mechanism for large-tonnage mechanical servo numerical control turret punch press
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