| Document |
Document Title |
|
WO/2008/140122A1 |
Assuming at least any one of a punch and a die is a die to be measured, a press molding device has a distortion quantity measuring means, which is installed in the die to be measured and measures the quantity of distortion of the die due...
|
|
WO/2008/134990A1 |
The invention relates to a drive system of a multi-ram forming press having a plurality of rams (2.1-2.2), each independently controllable by at least one servomotor (7, 7.1-7.n), developed such that the energy consumption from the suppl...
|
|
WO/2008/092486A1 |
The invention relates to method for deep drawing blanks (10) punched out of sheet metal that is painted or coated with film material, for example made of steel or aluminum, into flangeless molded blanks, wherein the blanks are formed to ...
|
|
WO/2008/087888A1 |
A deep-drawing device that applies optimum heating and cooling to a plate material to increase a limit drawing ratio, performing working of a deeper product, and that can control the uniformity of the plate thickness of a product. The de...
|
|
WO/2008/075527A1 |
[PROBLEMS] To provide a die cushion device, and method of controlling the behavior of die cushion, capable of attaining a shortening of cycle time and downsizing of a die cushion drive source. [MEANS FOR SOLVING PROBLEMS] The vertical po...
|
|
WO/2008/064619A1 |
The invention relates to a forming press in which the drawing cushion functions (3) or parts thereof, such as, for example, the drives (5) and the displacement and force transmission means, are integrated into one or more sliding tables (1)
|
|
WO/2008/064669A2 |
The invention relates to a die cushion device (50) for a forming press (51) for generating a blank retaining force (F53) between a bottom die (5) and a top die (3). Said die cushion device (50) comprises at least one hybrid drive unit (5...
|
|
WO/2008/053604A1 |
A method of metal sheet press forming at reduced cost that without the need of amending the configuration of press forming mold including a punch, die, etc. and changing the configuration and material of blank to special ones, enhances t...
|
|
WO/2008/047764A1 |
Provided is a press-working apparatus capable of forming a clear character line. The press-working apparatus (110) forms a product having a character line. The press-working apparatus (110) comprises an upper die (138) and a lower die (1...
|
|
WO/2008/032172A1 |
A press machine includes a bolster (7) on which a lower die is placed and a bolster carrier (9) that supports at least a part of a peripheral portion and a substantially center portion of the bolster. In this way, a portion of press load...
|
|
WO/2008/022607A1 |
The invention relates to a method and a device for dampening cutting shock, in which the press ram (4) is supported on piston rods (25) of a hydraulic system which is in operative connection with the lower die part or the press table (10...
|
|
WO/2008/012188A1 |
The invention relates to a press, wherein the press comprises a cylinder (6a) for the movement of a pressure element (5), the cylinder (6a) being connected with a toggle lever (16a), wherein the toggle lever (16a) is connected with a dri...
|
|
WO/2008/013507A1 |
The present invention provides a sheet metal drawing die assembly (100). The die assembly (100) comprises a drawing member (130) having two or more die segments (134) and a collar (140) for binding the two or more die segments together w...
|
|
WO/2008/001530A1 |
A pressing machine (10) having a drive motor (3) for performing pressing, a first conversion mechanism (5) for converting rotational motion of the drive motor (3) into reciprocation motion, a slider (7) connected for reciprocating motion...
|
|
WO/2007/108295A1 |
A press die cushion controller includes: a position instruction signal output unit (45) for outputting a die cushion pad position instruction signal; position detection means (36) for detecting the position of die cushion pad; a position...
|
|
WO/2007/102538A1 |
A press forming method for an aluminum alloy sheet capable of forming a large panel having a shape hard to be formed which is an automobile body outer panel such as a luggage outer panel, and a pressing device. A method of press-forming ...
|
|
WO/2007/101795A2 |
The invention relates to a method for determining the quality of a metallic surface of a metallic substrate, especially a steel or steel alloy substrate, and to a device for determining the quality of a metallic surface of a metallic sub...
|
|
WO/2007/099892A1 |
A die cushion controller comprising a position command signal output section (45) for outputting a die cushion pad position command signal, position detecting means (36) for detecting the position of the die cushion pad, a position compa...
|
|
WO/2007/100053A1 |
A hot-forming die for a press-forming device press-forms a heated metal plate (body to be formed) (4) and cools the body by jetting a refrigerant to the body. The hot-forming die has a main feeding passage (10a) for allowing the refriger...
|
|
WO/2007/097360A1 |
A cushion load control device for a press machine comprises a hydraulic cylinder (2) forming a die cushion, a hydraulic control valve (4) connected to the hydraulic cylinder (2), a hydraulic source (6) connected to the hydraulic cylinder...
|
|
WO/2007/085041A1 |
This invention concerns an active reconfigurable stretch forming tool, and in another aspect the invention is a method of stretch forming. The tool comprises an array of extensible shape forming elements which are driven in extension to ...
|
|
WO/2007/085550A1 |
Method and deep-drawing device for the deep drawing of sheet metal (8) by means of a press (6), a table (2), a drawing punch (3), and a drawing die (5) and a counterpressure plate (4) interacting with the drawing die (5), which together ...
|
|
WO/2007/065360A1 |
A numerically controlled hydraulic double-acting stretcher includes an upright machine frame (1) and a numerically controlled hydraulic mechanism (2). An upper cylinder (3) and a low cylinder (4) drived by the hydraulic mechanism are mou...
|
|
WO/2007/028680A1 |
Combination oil/gas spring comprising a first hollow casing (1), a piston (2) capable of fluid-tightly sliding within said casing (1), a rod (4) connected rigidly with an end portion thereof to a central portion of said piston, a first c...
|
|
WO/2006/123452A1 |
A die cushion device for a press machine, where a discharge opening of a liquid hydraulic pump/motor is directly connected to a pressure chamber on the cushion pressure production side of a liquid hydraulic cylinder and the torque of a r...
|
|
WO/2006/107088A1 |
A closing machine (1) for closing an opening end of an workpiece (9) by pressing a die (4), heated by a high frequency heating device (2), against the workpiece (9) rotated about its axis. The die (4) has a die body (601) coming into con...
|
|
WO/2006/099845A1 |
The invention relates to a method for controlling and regulating servo-electric die cushions (8, 9) on forming presses and to a device for carrying out said method. A stabile and precise operation in the phase of the force-regulated (15)...
|
|
WO/2006/098257A1 |
A die cushion controller for controlling the elevating/lowering speed of a die cushion based on a predetermined pressure pattern (56). The pressure pattern (56) has a low pressure target value PL that allows a cushion pressure to follow ...
|
|
WO/2006/098256A1 |
A die cushion control device (40) for controlling the moving up/down speed of a die cushion pad(15) based on specified pressure pattern (56) and positional pattern (54), wherein a position/pressure control switching unit (51) always moni...
|
|
WO/2006/094485A1 |
A die cushion device (1) is proposed in which the pressure cheek (11) is moved and pressurized by means of electromotive drives (7), and in which a hydraulic pad (14) is arranged between a spindle nut (9) and the pressure cheek (11).
|
|
WO/2006/092989A1 |
Disclosed is a press molding apparatus comprising a die (2), a punch (3) and a cushion ring. The cushion ring is composed of a first cushion ring (5) and a second cushion ring (6). The first cushion ring (5) is arranged around the punch ...
|
|
WO/2006/093112A1 |
A heat molding method and a heat molding system. The heat molding system (10) comprises a boiler (20) generating steam by boiling water, a heating chamber (22) heating the steam generated from the boiler (20) and controlling it to a set ...
|
|
WO/2006/090895A1 |
A press forming device and method in which press formation limit can be enhanced as compared with conventional warm pressings without causing any breakage. Especially, when a metal plate is drawn into a shape having two, three or more cr...
|
|
WO/2006/087918A1 |
A die cushion control apparatus for providing an improved precision of pressure control for a die cushion pad. When a pressure feedback control is selected by switching a position/pressure control switch part (51), a velocity comparing p...
|
|
WO/2006/082693A1 |
A method of molding a container half body (10) by using a precoated steel sheet (21). An L-shaped part (36) in cross section is formed while retaining, by a blank holder (33) in a second drawing step, a first flat part (27) formed on the...
|
|
WO/2006/075659A1 |
A pressing machine (1), comprising a bed (6) in which a die cushion device (10) is installed and a bolster (51) installed on the bed (6). An internal space (61) for lifting a die cushion pad (13) forming the die cushion device (10) is fo...
|
|
WO/2006/075660A1 |
A die cushion device, wherein a die cushion pad (13) is divided into four small pads (15) and one large pad (16). Accordingly, the deflection of the small pads (15) can be suppressed since loads acting on the points of application of the...
|
|
WO/2006/057196A1 |
A draw forming method for drawing a blank material (15). In this method, a restraint region (98) that is an outer peripheral section (21) of the blank material is held by a first holder means (22), and then a tension region (97) inside t...
|
|
WO/2006/054512A1 |
A die cushion device of a pressing machine, wherein a controller controls the opening of a proportional flow control valve to a proper opening to control a flow flowing out from the lower chamber of a hydraulic cylinder supporting a cush...
|
|
WO/2006/040105A2 |
The invention relates to a method for production and/or machining of pieces, in particular for the production of stamped pieces, comprising at least one tool (1), which may be subjected to pressure or a force, whereby the pressure/force ...
|
|
WO/2006/038855A1 |
Striker plate (1) for a sheet-metal forming tool (2) designed to be arranged between a gas-filled spring (3) having a striking surface on a piston rod stop (5) and a surface situated on the sheet- metal forming tool (2) and thereby to re...
|
|
WO/2006/013907A1 |
An apparatus for hammer-forming triggering projections that are used to obtain a trigger signal, where the projections are formed on the outer periphery of a tube section of a yoke that has the bottom and a tubular shape. The apparatus i...
|
|
WO/2006/011585A1 |
The problem of a conventional press molder is insufficient rigidity of an annular cushion ring receiving inward force, which cannot prevent a lower portion of the cushion ring from deforming, i.e., bending and expanding outward. A press ...
|
|
WO/2006/000188A1 |
The invention relates to a hybrid drawing cushion facility which comprises a combination of fluid cylinders (6) and one or more electric drives (7, 15) acting upon the pressure box (3). The fluid cylinders (6) perform the force function ...
|
|
WO/2006/000187A1 |
The invention relates to a die cushion device with numerically controlled (NC) drives (15). The aim of the invention is to use an electric drive (15), which is independent from adjacent straining points, for each straining point of a hol...
|
|
WO/2005/077560A1 |
A method for local forming of a work piece (19) where a force is used for forming a part of said work piece (19) and where a predefined local region of the work piece (19) is heated and that the heated area (6) is formed while the surrou...
|
|
WO/2005/075183A1 |
The invention relates to a hydraulic press wherein the slide (2) is locked to the lower belt (1) after the advancing stroke, and at least one working cylinder performs the working stroke.
|
|
WO/2005/072887A1 |
A method of forming a metal sheet blank (7) by deep-drawing the sheet blank (7) so as to produce a deep-drawn pre-form (7) having a base portion (8) and a skirt portion (9) extending at substantially right angles thereform. The height of...
|
|
WO/2005/065927A1 |
A single- and double-acting mechanical press device capable of press-forming large-sized blanks under high pressure in a usage manner of single-acting type despite being double-acting type. A mechanical press device provided with a drivi...
|
|
WO/2005/044480A1 |
A die for press and a die for punch press, the die comprising a fosse-like groove (3) disposed so as to surround a punched hole (2) and through-slits (4a), (4b), (4c) and (4d) extending in a district between the peripheral edges of the p...
|
