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
07/25/2012CN202343700U Stripper plate and driving sliding block type oblique punching mold
07/25/2012CN202343699U Punching die for automatic feeding bearing bush
07/25/2012CN202343698U Lower die of punching die for automobile part
07/25/2012CN202343697U Automobile component punching die
07/25/2012CN202343696U Punching die for U-shaped sheet metal parts
07/25/2012CN202343695U Swaging core with built-in oblique wedge punching die
07/25/2012CN202343694U Built-in wedge mechanism for punching die
07/25/2012CN202343693U Stamping part punching die
07/25/2012CN202343692U Square hole punching die
07/25/2012CN202343691U Stamping die for punching hinge
07/25/2012CN202343690U Manual punching mechanism
07/25/2012CN202343689U Punching machine capable of automatically punching wafer of loudspeaker
07/25/2012CN202343688U Punching device for lead frame of small outline transistor (SOT) 89 encapsulated patch type transistor
07/25/2012CN202343687U Cutting head split R-shaped die for plate spring coiling eye
07/25/2012CN202343686U Leaf spring cutting mold
07/25/2012CN202343685U Waveform punching shear plate for circular sheets
07/25/2012CN202343684U Signal transmission device for numerically-controlled high-speed notching machine
07/25/2012CN102612415A Device and method for the cutting shock damping of work machines
07/25/2012CN102601822A Mold for punching holes on hollow square tubes
07/25/2012CN102601267A Processing method for engine crankshaft vibration damping pulley wheel hub with end surface rat fluted disc
07/25/2012CN102601227A Punching mould and punching method suitable for labtop keyboard frame
07/25/2012CN102601221A Die holder replacing device for hydraulic edge trimmer
07/25/2012CN102601218A Die of cross cut shears
07/25/2012CN102601217A Warm dying device of braking flat-hole pin
07/25/2012CN102601216A Punching assembly of CH hole
07/25/2012CN102601215A Screw socket hexagon punching die
07/25/2012CN102601214A Punching die for two-hole cover plate of capacitor
07/25/2012CN102601213A Multi-blade cutting tooth punching die
07/25/2012CN102601212A Internal and external chamfering die for pan head torx self-tapping locking screw
07/25/2012CN102601211A Closed trimming die
07/25/2012CN102601210A Single side shearing die for plate spring reed
07/25/2012CN102601209A Punching die for car doorframe posts
07/25/2012CN102601208A Eccentric sleeve high-speed rotating type bar and tube precision blanking machine
07/25/2012CN102601207A Method for stamping magnesium alloy in cold state
07/24/2012US8227066 Annular disc of bent sheet material
07/19/2012WO2012096060A1 Work-punching method and work-punching apparatus
07/18/2012CN202336526U 一种开设管材贯通孔用的冲压模 One kind of pipe through holes opened by the stamping die
07/18/2012CN202336525U 滤清器旁通阀座二道翻孔成型工装 Turn the filter bypass valve two holes forming tooling
07/18/2012CN202336524U S型凹槽冲压模具 S-shaped groove stamping dies
07/18/2012CN202336523U 凹模的限位保护装置 Limit protection device of the die
07/18/2012CN202336522U 车体地板冲裁模具限位装置 Punching die-floor limit device
07/18/2012CN202336521U 一种轻便型气压半自动铝合金模具冲床 A lightweight aluminum die-type semi-automatic pneumatic presses
07/18/2012CN102587724A Electromagnetic lock positioning plate for high-voltage switch equipment and production method of electromagnetic lock positioning plate
07/18/2012CN102582099A 冲压机械中的伺服驱动系统和连续加工系统 Stamping mechanical servo drive system and continuous processing system
07/18/2012CN102581168A Method for manufacturing small-size lock keys and press forming trimming die
07/18/2012CN102581118A Integral die for numerical control sheet punching machine
07/18/2012CN102581117A Multi-station rotation punching machine
07/18/2012CN102581116A Punching die for inner and outer chamfers at head of screw
07/18/2012CN102581115A Flash cutting device for steering wheels of automobiles
07/18/2012CN102581114A Wafer blanking production equipment and processing method
07/18/2012CN102581113A Punching machine for automotive anti-collision beam
07/18/2012CN102581112A Light-weight manual-press flat steel arc forming cutting machine
07/18/2012CN102581111A Pressure forming method for thin plate aluminum alloy opening frames
07/18/2012CN102179443B Device for manually punching flange bolt of cargo tank of liquefied natural gas (LNG) ship
07/18/2012CN102029323B Ring forge piece punching and cutting composite type mould
07/18/2012CN101847713B Continuous sheet-making machine
07/18/2012CN101829733B Punching/hole flanging die for internal supporting tube of auto shock absorber
07/18/2012CN101604036B Aperture and method for manufacturing same
07/17/2012US8220301 Tool for and method of forming at tapped hole in a single pass
07/12/2012WO2012093523A1 Punch die of a punch press, die for deepening cutting, and method of forming long holes in a plate
07/12/2012DE102011002528A1 Machining tool for thin workpiece e.g. metal sheet, has processing punch and machining die that are relatively movable with respect to each other, where length of effective punch surface is greater than that of die surface
07/11/2012CN202316839U 用于钢瓶封头落料模的卸料板 Cylinder head for the stripper plate blanking die
07/11/2012CN202316805U 用于钢瓶封头落料模的固定圈 Fixed ring for cylinder head blanking die
07/11/2012CN202316776U 一种用于同时成型汽车半轴花键与中心孔的模具装置 An apparatus for simultaneously forming die vehicle axle splines with the center hole of
07/11/2012CN202316755U 可调节联合冲剪冲头下模 Adjustable ironworker punch lower die
07/11/2012CN202316754U 一种屏风支架冲孔组合模具 One kind of wall bracket combination punching dies
07/11/2012CN202316753U 板类工件预冲孔模具 Pre-punching mold plate workpieces
07/11/2012CN202316752U 一种两向冲孔的斜楔结构 A two to punch a wedge structure
07/11/2012CN202316751U 一种厚板精冲模具 One kind of plank fine blanking die
07/11/2012CN202316750U 冲孔模具 Punching die
07/11/2012CN202316749U 发动机底座水平安装面冲孔模 Base level engine mounting surface piercing die
07/11/2012CN202316748U 电机定子支架冲孔模 Stator bracket punching die
07/11/2012CN202316747U 发动机底座侧面冲孔模 Base engine side punching die
07/11/2012CN202316746U 管状构件立式浮动对冲孔模 Vertical floating tubular member for punching die
07/11/2012CN202316745U 圆形、异形金属管多孔冲裁模 Round, shaped porous metal tube punching die
07/11/2012CN202316744U 非对称深沟方管悬臂手动冲孔机 Asymmetric groove square tube boom manual punching machine
07/11/2012CN202316743U 管件快速定位冲孔装置 Fittings fast positioning punching device
07/11/2012CN202316742U 数控转塔冲床的防废料反弹装置 CNC turret punch scrap anti-kickback devices
07/11/2012CN202316741U 自动液压框架式精冲机 Automatic hydraulic frame fine blanking
07/11/2012CN202316740U 汽车驱动桥桥壳琵琶孔压模成型机床 Car drive axle housing lute hole compression molding machine
07/11/2012CN202316739U 一种高速冲孔机 A high-speed punching machine
07/11/2012CN202316738U 一种冲压模具冲头装置 A press die punch means
07/11/2012CN202316737U 冲压模具的托送料机构 Stamping dies care feeding mechanism
07/11/2012CN202316736U 一种薄壁零件的冲压模具 One kind of thin-walled parts stamping dies
07/11/2012CN202316735U 用于钢瓶封头落料模的凸模垫圈 Blanking for cylinder head gasket punch die
07/11/2012CN202316734U 用于钢瓶封头落料模的左导柱垫块 Left column-pad for the cylinder head blanking die
07/11/2012CN202316733U 用于钢瓶封头落料模的左导套垫块 Left guide sleeve for the cylinder head pad Blanking Die
07/11/2012CN202316732U 用于钢瓶封头落料模的导套 Bushing for cylinder head blanking die
07/11/2012CN202316731U Trimming die for packing box cover
07/11/2012CN202316730U 剪草机牙箱左挡板落料模 Lawnmower tooth box left bezel blanking die
07/11/2012CN202316729U 条形连接板落料模 Strip connecting plate blanking die
07/11/2012CN202316728U 用于锂离子电池极耳的定位冲切装置 Positioning device for punching a lithium-ion battery pole ear
07/11/2012CN102574189A Press drive arrangement of a machine tool, and machining method
07/11/2012CN102574188A Press drive and method for generating a stroke motion of a tool mounting by means of a press drive
07/11/2012CN102555272A 冲压机械中的伺服驱动系统和连续加工系统 Stamping mechanical servo drive system and continuous processing system
07/11/2012CN102554961A Intro-pipe punching device
07/11/2012CN102554572A Processing technology for plate hub of driven plate assembly and mould component adopted in the processing technology
07/11/2012CN102554558A Manufacturing method of special-shaped hole at threads of thin wall part
07/11/2012CN102554555A Compact automatic production line for blanking and stamping
07/11/2012CN102554045A Compound die for arc sheet metal parts machining
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