Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
08/2008
08/27/2008CN100414463C Integrated support system for supporting sheet metal machining
08/21/2008US20080196471 Method and Device for Cutting High-Tensile Sheet Metal, and Press
08/21/2008DE4232211B4 Verfahren zum Schneiden eines Rohlings aus einem Metallband A method of cutting a blank from a metal strip
08/21/2008DE102008009264A1 Workpiece contour edge forming method, involves pre-stamping contour in pre-stamping station, precision stamping of profile in precision stamping station, and separating material strip
08/21/2008DE102007008698A1 Punching machine tool pre-tooling method, involves arranging machine tool in detection area of receiver unit, and arranging machine tool during exceeding of difference limit values for spatial arrangement by using difference data
08/21/2008DE102007008653A1 Workpiece i.e. sheet-metal board, cutting method, involves subjecting deformation zone of local pre-heating unit limited on section or contour line with optical or electromagnetic radiation, before deformation of workpiece
08/20/2008CN201102050Y Swing material feeder of punch press
08/20/2008CN201102048Y Spacing pole punch die
08/20/2008CN101245842A Main transmission system of full electric servo ball screw type numerical control rotating tower punch
08/20/2008CN101244509A Stainless steel net belt process method
08/20/2008CN101244442A Punching apparatus for electric motor end cap radial direction through hole
08/20/2008CN101244441A Main unit of numerical control notching press
08/19/2008US7412865 Method for forming sheet material with bend controlling displacements
08/14/2008US20080193714 Method for precision bending of sheet of materials, slit sheets fabrication process
08/14/2008DE102004049995B4 Vorrichtung zum Materialvorschub an Bearbeitungsmaschinen Apparatus for feeding material to processing machines
08/13/2008CN201098712Y Copper bar side-corner cutting punch die device
08/13/2008CN101239369A Punching technique for hypogynous metal bumper of heavy-duty car
08/13/2008CN100410002C Making process of thin wall stainless steel ring
08/13/2008CN100409967C Method for processing large-plane metal thin screen plate and production line
08/13/2008CN100409962C Processing method of capillary tube and its punching press shaping equipment
08/07/2008WO2008093449A1 Press shearing die with rotary cutter
08/07/2008DE10322895B4 Lochblech für Bauteile und Anlagen zur Bearbeitung von schüttfähigen Kleinteilen Perforated metal sheet for components and systems for processing pourable small parts
08/06/2008EP1952936A2 Punch and drill machine for structural angle
08/06/2008CN101237745A Punch and its using method
08/06/2008CN101234581A Aluminum alloy rim and method for manufacturing rim body
08/06/2008CN101234466A Vehicle rear axle assembly breast beam production method and special-purpose mold therefor
08/06/2008CN101234407A Harmonic oscillation column processing technique
08/05/2008CA2336897C Long, slender lamina stacks of non-uniform laminae and method and apparatus for the manufacture thereof
07/2008
07/30/2008EP1949985A1 Method for manufacturing ring-shaped member
07/30/2008EP1949984A1 Method of manufacturing ring-shaped member
07/30/2008EP1464417B1 Method and device for manufacturing slip prevention material of construction machinery
07/30/2008CN201091896Y Motor rotor punching die
07/30/2008CN201091895Y Gouging machine
07/24/2008DE102007004165A1 Carriage assembly for use as controller and/or drive of handling device i.e. workpiece transporting device, has carriage guided inside housing, and cam disk formed and supported on sides of housing, where disk is formed as single piece
07/24/2008DE10107484B4 Hublagenregelung der Stößel von Stanzpressen Hublagenregelung the plunger of punch presses
07/23/2008EP1946862A1 Method of manufacturing ring-shaped member
07/23/2008EP1773523A4 Fatigue-resistance sheet slitting method and resulting sheet
07/23/2008CN201088989Y Blanking die
07/23/2008CN201088988Y Die for blanking battery electrode and battery electrode making machine containing the same
07/23/2008CN101224479A Bar stock pneumatic radial impact blanking method with high-efficiency and precision
07/23/2008CN101224478A Pneumatic radial impact blanking machine
07/17/2008WO2008084536A1 Method of working platelike material and die assembly
07/17/2008WO2008052174A3 Forming three dimensional object
07/16/2008CN201086326Y Highly suitable automatic beam cutter special for electronic factory
07/16/2008CN201086105Y Antenna dome piercing die
07/16/2008CN101222988A Sub-assembly for slot cutting robots, comprising a direct drive
07/16/2008CN100402178C Upper die device
07/16/2008CN100402177C Punch process of integral automobile metal bumper
07/09/2008CN201082444Y Device for forming round-smooth roll rim for metal sheet eyelet work
07/09/2008CN201082443Y Waterproof zipper outer teeth composite blanking die
07/03/2008DE202008003634U1 Vorrichtung zum Trennen und/oder Umformen von Werkstücken An apparatus for separating and / or forming of workpieces
07/02/2008EP1937426A1 Multipart punch for hydro piercing
07/02/2008EP1560669B1 Method of forming hydroformed member with opening
07/02/2008CN201079903Y Punching device capable of jointing punching component
07/02/2008CN201079810Y Punching flanging composite forming die for digital control turret punching machine
07/02/2008CN201079808Y Combined blanking die
07/02/2008CN201079806Y Cutting press
07/02/2008CN101209477A Method for forming end socket of beam-like part
07/02/2008CN101209475A Method for forming part with hole
07/02/2008CN101209473A Method of preparing fluid dividing cover
07/02/2008CN101209472A Method of preparing lining for cars
06/2008
06/25/2008EP1936705A2 Apparatus and Method for Forming HTS Continuous Conductor Elements
06/25/2008CN201076888Y Plate repositioning system of numerical control flat puncher
06/25/2008CN201076882Y Male die assembly for motor rotor combination press tool
06/25/2008CN101208163A Methods for manufacturing flanged article
06/25/2008CN100396395C Mechanical arrangement for machining plate-like workpieces
06/19/2008US20080141750 Metal stamping process using a wire preform
06/19/2008DE19500614B4 Revolverstanzvorrichtung Turret punch device
06/19/2008DE102006057576A1 Rotationsschneidlinie Rotary cutting line
06/18/2008EP1932635A2 Apparatus and method for trimming
06/18/2008EP1535097B1 High precision optoelectronic components
06/18/2008CN201073673Y Medium pieces blanking automatic aligning acceptor
06/18/2008CN201073669Y Ratchet side-hole punching device
06/18/2008CN101203974A Separator, process for producing separator, and apparatus for producing separator
06/18/2008CN101203338A Tool fastening device for a v-belt drive
06/18/2008CN101202484A Stator punching slice scouring machine
06/18/2008CN101199975A Apparatus and method for trimming
06/18/2008CN100395042C Section rolling mill
06/17/2008US7386938 Method of joining hydroformed tubular members
06/12/2008WO2008070539A2 Stamped clutch pocket plate, method for making the pocket plate, and clutch including the pocket plate
06/12/2008WO2008067692A1 A manufacture method of a milan chain graphical sheet
06/12/2008WO2008033175A3 Fabrication of heat-treated laminations for high-speed rotors in electrical machines
06/12/2008US20080135369 Stamped clutch pocket plate, method for making the pocket plate, and clutch including the pocket plate
06/12/2008US20080134508 Method to Provide Slots in Pipes
06/11/2008CN201070655Y Punch machine structure
06/05/2008WO2008065217A1 Tool holder for punching
06/04/2008CN201067777Y Reversal inclined wedging flanging device
06/04/2008CN201067776Y Punching die
06/04/2008CN101190492A Method for processing liquid crystal screen panel frame suitable for laser welding
06/04/2008CN101190450A Internal welded radiator header tube hole punched device and process thereof
06/04/2008CN100392538C Information processing system for manufacturing building material, building material manufacturing method
06/04/2008CN100391672C Process for manufacturing knob and ringer of rigging screw
06/03/2008US7380484 Continuous rotary hole punching method and apparatus
06/03/2008US7380376 Non-slip structure
05/2008
05/30/2008CA2612998A1 Electromagnetic (em) metal forming techniques for hydroforming pierce punches drive via em energy, for forming tubular metal workpieces over a mandrel, and for making camshaft assemblies
05/29/2008WO2008062556A1 Trimming press working apparatus
05/28/2008EP1925375A2 Method and system for processing plate material, and various devices concerning the system
05/28/2008EP1924371A1 Device for assembling machine components using adiabatic energy change
05/28/2008EP1597000B1 Device for processing a thin metal foil
05/28/2008EP1535676B1 Die
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