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WO/2012/118223A1 |
A method for bending a sheet metal, which comprises: a hardness adjustment step wherein a blank (10) that has a high hardness region (11) and a low hardness region (12) having a lower hardness than the high hardness region (11) is formed...
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WO/2012/117967A1 |
The present invention provides a load applying device for a press-molding die, the load applying device being provided with: a rod which has a first end part, a second end part, and a flange; a stacked disc spring which is formed by stac...
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WO/2012/104442A1 |
The invention relates to a gas spring that can absorb movements perpendicular to the working axis thereof. For this purpose, the invention comprises: a hollow cylindrical body (1) having an open end, a movable rod (2) located in the holl...
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WO/2012/101826A1 |
Provided are press forming dies susceptible to wear. Dies (2, 4) are press forming dies produced by a casting process. The dies (2, 4) are provided with grooves (2a, 2b, 4a, 4b) formed on both sides of crests which make contact with a wo...
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WO/2012/097812A1 |
The invention relates to a method and device for drawing sheet metal by means of a drawing device comprising an upper tool, a lower tool, preferably a punch and die, and blank holders, the sheet metal to be drawn being held at the edge a...
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WO/2012/067122A1 |
This press mold (100) is equipped with a lower mold (101) that supports the work (W) and an upper mold (102) arranged opposing the lower mold (101). The lower mold (101) has a punch (120) used for draw forming, a blank holder (130) arran...
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WO/2012/055109A1 |
A processing method and an equipment for chamfering press-connection regions of a metal terminal are provided. The processing method includes transferring a metal terminal to an upper chamfering process position (301); performing the upp...
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WO/2012/043833A1 |
Provided is press forming equipment comprising a heating furnace and a press forming machine, for press forming a thin steel plate using the press forming machine after heating the thin steel plate in the heating furnace to a temperature...
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WO/2012/037915A1 |
The invention relates to a method for drawing metal sheets by means of a drawing apparatus that comprises a tool upper part, a tool lower part, preferably a male and a female die, and a metal sheet holder, wherein the metal sheet to be d...
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WO/2012/026442A1 |
A galvanized steel sheet (W) is cooled, during which a surface of the galvanized steel sheet (W) is examined for change in emissivity in the range of temperatures which are lower than the boiling point of the zinc but not lower than the ...
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WO/2012/022720A1 |
The drawing press (10) according to the invention has a stationary blank holder (35) which is supported on the press frame (11). The blank holder (35) is assigned a slide (15) with a die tool (18), the slide (15) being moved via a slide ...
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WO/2012/020569A1 |
Provided are a method for hot-pressing a steel sheet by means of a servo press, and a servo press, wherein a holding torque is not applied to a servo motor when the bottom dead center of a slide is being maintained. A method for hot-pres...
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WO/2012/011224A1 |
The present invention reduces energy consumption to a minimum to cut running costs, continuously obtains final formed products with stable quality, and has high productivity. Specifically, a primary forming step (4) for forming a primary...
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WO/2011/159677A2 |
A guided keeper includes a base having a mounting face, one marginal fastener aperture to mount the base to a die shoe, and a central guide aperture. A guide pin is received in the central aperture of the base. One end of the guide pin h...
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WO/2011/148880A1 |
When forming a cross-sectional hat-shaped member which has, on the cross section perpendicular to the longitudinal direction, vertical wall sections (1b, 1b) on both sides, flange sections (1a, 1a) on both sides which are connected to ea...
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WO/2011/118126A1 |
Disclosed are: a method for producing an ultra high strength member having a tensile strength (TS) of 1,180 MPa or more, by which an ultra high strength member having excellent delayed fracture resistance can be produced by hot pressing ...
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WO/2011/086263A1 |
Said tool comprises: at least one slide (5) intended to be provided with at least one punch (6) and to be movable between a rest position, in which the punch (6) is intended to be set back from the sheet metal (3), and a work position, i...
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WO/2011/083008A1 |
The invention relates to a method for producing a half-shell part having a drawing mandrel (1) and a drawing die (2). The aim of creating a method for the process-secure and cost-effective production of highly dimensionally stable half-s...
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WO/2011/072847A1 |
A method for severing a component (42) along a severing line (54) is described. The method has the steps of: (a) arranging the component (42) and at least one first electrode (16) in contact with each other, so that the component (42) is...
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WO/2011/009769A9 |
The invention relates to a method for hot forming steel parts, particularly blanks or semi-finished products made of steel, wherein the steel parts are heated in a furnace to a temperature above the Acl temperature to at least partially ...
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WO/2011/070859A1 |
Disclosed are: a method for heating a steel sheet for hot pressing use, which has such advantages that a hot-pressed molded article having excellent spot weldability can be produced with high productivity and others; and others. The meth...
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WO/2011/055416A1 |
A technique which can, in order to guarantee the molding accuracy of hot press molding, accurately measure the temperature of a workpiece being subjected to the hot press molding. A hot press mold (1) is a mold used for hot press molding...
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WO/2011/050443A1 |
Disclosed herein is a sheet metal stamping device and method for substantially inhibiting recoil from a neutral stamped position of a scrap part region. A sheet metal stamping device for stamping a sheet metal part comprising a first die...
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WO/2011/045845A1 |
Provided is a technique in which blanks in different shapes are uniformly heated using energization heating. An energization heating step (S1) is a method for heating a blank (1) by connecting a pair of electrodes (10, 10) to two differe...
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WO/2011/038716A1 |
In order to achieve the simplest and most reliable possible detectability of the position and/or motion and/or thickness of a thin body (1), a device for detecting the position and/or motion and/or thickness of the thin body (1) made of ...
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WO/2011/038947A1 |
The invention relates to a device (2) for the cutting shock damping of work machines (1), in particular presses, stamping or nibbling machines, comprising a machine frame (3) and a work drive (5) for moving a work tool (10) along a work ...
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WO/2011/029966A1 |
Device and method for electromagnetic deformation of plates achieving complex geometries with high degrees of quality in their finish and reduced energy consumption, which comprises a matrix (3) with a forming surface (4) delimited by a ...
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WO/2011/027720A1 |
A press machining device comprises a lower die (31) including a die and a blank holder (33) which is arranged around the die and which can be moved away from a stationary plate and close to the stationary plate; an upper die (30) which c...
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WO/2011/016518A1 |
A region is formed in some of a surface of a metal plate to be subjected to radiation heating with near infrared rays, the region having a lower reflectance of radiation rays than the original metal plate surface. As a treatment for redu...
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WO/2011/001053A1 |
The invention relates to a machine (3) for stamping a blank (1), including a die (7), a punch (5), a blank holder having a curved surface (9), and nests (13) for centering a blank (1) to be stamped relative to said blank holder. The mach...
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WO/2011/002039A1 |
A press machine (1) is provided with a lower die which supports a steel plate (10), an upper die (31) which is provided so as to face the lower die, a lower holder (22) which is provided around the lower die with a gap therebetween and i...
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WO/2010/150683A1 |
Before hot press-forming a flat plated steel sheet (K) that has been uniformly heated to a temperature equal to or greater than an A1 transformation point, a partial rapid cooling stage (11) rapidly cools a prescribed region of the plate...
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WO/2010/121946A1 |
A gas cylinder actuator (10, 110) with a safety device for controlled ejection of the piston stem, which has, on the side of the region (19, 119) for fixing the head portion (14, 114) to the jacket (11, 111), a region in low relief (21, ...
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WO/2010/109103A1 |
The invention relates to equipment, including: a lower portion (20); an upper portion (10) that is translatably movable relative to the lower portion (20) so as to be able to grip said sheet metal edge (30); a sheet metal edge trimming t...
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WO/2010/084864A1 |
Proposed is a method of press-forming an embossed steel sheet which enables sufficient quenching of the embossed steel sheet. In the method, an embossed steel sheet (10) having a projected portion is press-formed by means of an upper die...
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WO/2010/082686A1 |
Disclosed is an exposure apparatus which has a highly reproducible positioning precision and in which a photomask with high adhesion even to a forming die having a complicated solid shape can be easily manufactured and a repetitive expos...
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WO/2010/063866A1 |
Method and device for detecting drawing defects, whereby it is possible to detect limit thinning or creep and cracks or breaks in the drawing or forging of sheet metal components in a press by means of analysis of the temperature generat...
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WO/2010/058710A1 |
A die cushion device for a press machine, provided with a hydraulic cylinder (3) for supporting a cushion pad (2) and generating die cushion pressure when a slide of the press machine descends, a proportional valve (10) and a hydraulic p...
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WO/2010/010922A1 |
Provided is a method for determining the molding conditions of a press, which can reduce the cost. A method for determining the molding conditions of a press comprises a step for determining a minimum wrinkle reducing power which may cau...
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WO/2009/142112A1 |
Provided is a die-cushion device that can shorten the build-up time of the pressing force on slides. The die-cushion device is provided with a cushion pad, a support, a servomotor, and a cushioning device (12). The support holds the cush...
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WO/2009/142132A1 |
Provided is a die cushion device which can control a pressing force precisely at the time of rising. In a die cushion device, a shock absorber has a damping section and an elastic section and relaxes an impact between a cushion pad and ...
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WO/2009/124860A1 |
The invention relates to a method for controlling the flow of material when deep-drawing a workpiece. The aim of the invention is to devise a method which better utilizes the drawing capacity of a workpiece and produces a more accurate s...
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WO/2009/111745A2 |
A member has a wave inhibitor adapted to control the effects of a wave of longitudinally displaced material positioned ahead of an expansion mandrel used to expand the member. The wave inhibitor has a decreasing transverse cross-sectiona...
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WO/2009/096272A1 |
Provided is a machine-error simulation press, in which a machine-error between the simulation press and a mass-production press or the like as a simulation target press. The machine-error simulation press (10) comprises mold-holding memb...
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WO/2009/078237A1 |
A control device (10) for a die-cushion device (5) comprises a speed detection unit for detecting the speed of a slide (11) or a movable portion (21) during press molding and outputting the detected speed, an operation control unit (27) ...
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WO/2009/075134A1 |
An energization heating device which can feed an energization heated work stably to the process downstream the energization heating while preventing distortion of the work by energization heating as much as possible. A hot press forming ...
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WO/2009/075132A1 |
Hot press forming device and method suitable for die quenching in which the time required after the start of heating a blank until the end of forming can be shortened. A hot press forming device that can be downsized and a hot press form...
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WO/2009/075133A1 |
Provided is an electrode support structure in which local heating can be prevented from occurring in a workpiece during the electric heating. The electrode support structure is usable for applying a load to the electrodes (4, 5) used for...
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WO/2009/069461A1 |
This aims to provide a press-apparatus mold capable of improving the yield of a raw material while preventing wrinkles and cracks in a finished product, and an open-drawing method according to the press-apparatus mold. Within a range cor...
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WO/2009/066572A1 |
This aims to provide a press process for drawing a plate material (50) into a predetermined shape. This press process performs a first unwrinkling treatment and a second unwrinkling treatment sequentially for unwrinkling the material (50...
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