| Patents for B21J 1 - Preparing metal stock (1,586) |
|---|
| 10/17/2012 | CN102728754A Reinforced control cooling method for non-tempered steel forging |
| 10/16/2012 | CA2566045C Method and apparatus for optimizing forging processes |
| 10/10/2012 | CN102719634A Integrated temperature-control cooling equipment and cooling method thereof |
| 10/10/2012 | CN102717078A Process of tungsten alloy rotary swaging rod with high density and high performance |
| 10/10/2012 | CN102319845B Manufacturing process of forging stock of steel forging piece for oil extraction equipment in deep sea |
| 10/03/2012 | CN102703818A Material for overweight ring forging and manufacturing process for ring forging |
| 10/03/2012 | CN102019338B Punching method for forming integrated top cover |
| 10/03/2012 | CN101412066B Hammer forging technique of GH4169 alloy dish |
| 09/19/2012 | CN102672096A Precision die forging and shaping technical method for automobile steering knuckle rough type parts |
| 09/06/2012 | US20120222463 Method for manufacturing an insert pocket of a cutter body |
| 09/05/2012 | CN101985199B Method for preparing shell of electronics |
| 09/05/2012 | CN101767266B Manufacturing method of magnesium nut and magnesium nut component thereof |
| 08/23/2012 | WO2012111674A1 High-strength copper alloy forging |
| 08/22/2012 | CN102644038A Production method of steel for automobile connecting rods |
| 08/22/2012 | CN102641977A Optimizing control energy saving system for steel feeding and discharging of heating furnace |
| 08/15/2012 | CN102634646A Special temperature-control cooling thermal treatment technology |
| 08/15/2012 | CN102632173A Method for determining thickness-unequal blank for two-dimensional local loading and forming |
| 08/15/2012 | CN102632172A Method for determining uneven-thickness blank for realizing local loading forming of rib-plate-shaped three-dimensional component |
| 08/08/2012 | EP2484462A2 Use of a warm upsetting method, use of a reforming tool, method for producing a forge preform and warm upsetting device |
| 08/08/2012 | CN101920299B Steel tube end part inductive heating device with temperature detection system |
| 08/01/2012 | CN102618788A Support roll with high abrasion resistant performance and manufacturing method thereof |
| 08/01/2012 | CN102615478A Forging process of wind power main shaft |
| 08/01/2012 | CN102615224A Radial-axial rolling forming method for inner step section ring pieces |
| 08/01/2012 | CN102615223A Method for simultaneously rolling and expanding two trapezoid-cross-section flange ring forge pieces |
| 08/01/2012 | CN102343410B Separate blanking method of square ingots of small free forged pieces |
| 07/25/2012 | EP2478978A1 Upsetting press and upsetting method |
| 07/25/2012 | CN102605147A Method for carrying out normalizing heat treatment by using waste heat from forging of forged piece |
| 07/25/2012 | CN102601279A Train wheel blank manufacturing process by adopting swing rolling and forming technology |
| 07/18/2012 | CN102581188A Method for machining TC4-DT titanium alloy large-specification slab forged piece |
| 07/18/2012 | CN102581183A Method for determining blank with different thicknesses for two-dimensional integrated loading and forming |
| 07/11/2012 | CN102560043A Heat treatment process for large 35CrMo steel axis forgings |
| 07/11/2012 | CN102554114A Ring forging and rolling processing method of bearing ring parts used for large-scale wind turbine unit |
| 07/11/2012 | CN102554107A Cold forging forming process of small-module gear |
| 07/11/2012 | CN102554090A Forging method for forming through holes of working clamping plates by hot extrusion |
| 07/11/2012 | CN102554084A Forging method for water chamber head of steam generator of third-generation nuclear power station |
| 07/05/2012 | WO2012090892A1 Closed-die forging method and method of manufacturing forged article |
| 07/04/2012 | CN102534164A Method and tool for reducing deformation in large-scale thin-wall cylindrical forging heat treatment |
| 07/04/2012 | CN102527898A Bolt-heating upsetting-forming technology |
| 07/04/2012 | CN102527896A Middle diathermanous pre-heading process of through shaft |
| 07/04/2012 | CN102527892A Manufacturing method of martensitic stainless steel forged piece with high electric resistivity and high magnetic conductivity |
| 07/04/2012 | CN102019335B Cold forging processing method of hardened and tempered structural steel |
| 07/04/2012 | CN101934336B Method and device for semi-solid precision rheo-casting of light alloys |
| 06/28/2012 | WO2012086650A1 Method for producing formed material for brake piston |
| 06/27/2012 | CN102513488A Precise forging molding method for blank of automobile fork-shaped half shaft |
| 06/27/2012 | CN102513485A Two-step heat press-forging molding method of magnesium alloy thin-wall element and molding die |
| 06/27/2012 | CN102513483A Forging and striking production process for blank with rectangular section |
| 06/27/2012 | CN102513479A Production process for large-diameter fine isometric crystal tissue titanium alloy bar |
| 06/27/2012 | CN102230097B Preparation method of titanium alloy bars |
| 06/20/2012 | EP1952903B1 Method for forming a forged product |
| 06/13/2012 | CN202270898U 风电主轴锻件的红送保温筒 Wind power spindle forging red insulation tube feeding |
| 06/13/2012 | CN202270897U 带加强筋的风电主轴锻件的红送保温筒 Ribbed wind power spindle forging red insulation tube feeding |
| 06/13/2012 | CN102492907A Preparation method of TA7ELI titanium alloy cake material |
| 06/13/2012 | CN102489656A Bearing forging production process by blanking long bar at 900 DEG C and continuously heating to 1050 DEG C at intermediate frequency |
| 06/13/2012 | CN102489646A Method for processing steel ball |
| 06/13/2012 | CN102489644A Method for forging copper alloy anti-explosion tool |
| 06/13/2012 | CN102489639A Fine-grain roll-forming method for large annular piece made of high alloy steel |
| 06/12/2012 | US8197949 Blank for a ring member of a bearing, manufacturing method for the same, manufacturing method for a ring member of a bearing, and bearing |
| 06/07/2012 | US20120138199 Process for Producing a Threaded Spindle having a Large Bearing Seat |
| 06/06/2012 | CN101476078B Method for manufacturing super two-phase stainless steel large-sized sea water pump shaft |
| 05/30/2012 | CN202239415U Heat preservation structure of isothermal forging hydraulic press for magnesium alloy wheel hub |
| 05/30/2012 | CN202239414U Hot charging insulation barrel for wind power spindle forging |
| 05/30/2012 | CN202239413U Hot charging thermal insulation drum with drum cover being convenient to place |
| 05/30/2012 | CN102029352B Method for manufacturing pressboard for rail wagon |
| 05/18/2012 | WO2012063504A1 Method for subjecting difficult-to-process metal material to multiaxial forging, device for carrying out said method, and metal material |
| 05/16/2012 | CN202219310U Forging blank descaling machine |
| 05/16/2012 | CN102458712A Forging die heating apparatuses and methods for use |
| 05/09/2012 | CN102441629A Forging heating method of sleeve for forging steam turbine |
| 05/09/2012 | CN102441628A Forging heating method for sealing ring of forge piece |
| 05/09/2012 | CN102441627A Bimetallic forging forming method |
| 05/03/2012 | WO2012057329A1 Magnesium-alloy member, compressor for use in air conditioner, and method for manufacturing magnesium-alloy member |
| 05/02/2012 | CN202207889U Highly efficient processing system of tappet of seamless steel pipe puncher |
| 05/02/2012 | CN202207764U Before-forging constant-temperature heating furnace for valve |
| 04/25/2012 | EP2444170A1 Distribution extruding forming device and distribution extruding forming method |
| 04/25/2012 | CN101733348B 一种钛合金叶片的等温锻造方法 Kind vane isothermal forging titanium alloy |
| 04/19/2012 | US20120090290 Power transmission chain pin and manufacture method thereof |
| 04/18/2012 | EP2440346A1 Forging die heating apparatuses and methods for use |
| 04/18/2012 | CN102418042A Novel manufacturing process of phi 300 mm-phi 700 mm high-carbon high-chromium cold-working die steel forged round steel |
| 04/11/2012 | CN202185546U 一种钢管管端均匀加热的旋转定位装置 A rotational positioning means to uniformly heat the steel pipe end |
| 04/11/2012 | CN101780628B 一种压铆螺母的加工工艺 One kind of rivet nut processing technology |
| 04/04/2012 | CN102397977A 采用硅碳棒加热方式的钛合金汽轮机叶片超塑性成形方法 Superplastic forming titanium alloy turbine blades made of silicon carbide heating mode |
| 04/04/2012 | CN102397976A 钛合金紧固件冷镦成型工艺 Titanium fasteners cold heading molding process |
| 03/21/2012 | CN102380565A Method for forging large forging |
| 03/21/2012 | CN101947617B Double-chamber high-temperature forging and forming device of TiAl intermetallic compound forge piece and method thereof |
| 03/14/2012 | EP2427282A2 Device and method for heating workpieces which are to be hot-formed |
| 03/14/2012 | CN102371323A Technology for performing hot processing on plunger sleeve GCr15 bearing steel raw materials |
| 03/07/2012 | EP2425911A1 Process for producing cast aluminum alloy member |
| 03/07/2012 | EP2424688A1 Method for producing elongate products made of titanium |
| 03/07/2012 | CN101767169B Manufacturing method of magnesium screw and magnesium screw component thereof |
| 03/07/2012 | CN101468370B Amorphous alloy thermoforming apparatus and technique |
| 03/06/2012 | CA2620735C Method for cold forging high strength fastener with austenitic 300 series material |
| 03/01/2012 | DE102010040008A1 Hollow shaft i.e. motor shaft, for transmitting power within electric power steering system in vehicle, has different regions with surface structures and/or different outer and inner diameters, where regions are formed by rotary swaging |
| 02/29/2012 | CN102363194A Method for determining weight of round-section multi-stage sidestep axle freely forged blank auxiliary material |
| 02/29/2012 | CN101525715B Anticorrosion high-strength alloy and smelting method thereof, as well as product of alloy and processing method of same |
| 02/22/2012 | CN102357633A Method for manufacturing nickel-based high-temperature alloy forge piece |
| 02/22/2012 | CN102357631A Forming method for magnesium alloy part |
| 02/22/2012 | CN102357629A Free forging method for nickel-based magnetically soft alloy slab |
| 02/22/2012 | CN102357624A Valve pre-forging constant temperature heating furnace |
| 02/15/2012 | CN102352474A Forging and heat treatment method of 2A50 aluminium alloy die forging |
| 02/08/2012 | CN202137306U 蓄热式锻制加热炉 Regenerative forging furnace |
| 02/08/2012 | CN202137305U 中频感应透热炉粘料自动分离装置 Medium frequency induction heating furnace sticky material automatic separation device |