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JP2007175722 |
To provide a carrying technology and a heating technology for a metal sheet, which are sufficiently applicable for a hot press forming technology for molding a heated metal sheet with a metal die, more specifically, to provide a carrying...
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JP2007160319 |
To provide a practical pinless pressure-equalized die cushion device which can generate uniform blank holder pressure regardless of deflection in a press and a die, provides highly stable die cushion pressure, provides remarkably improve...
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JP2007160356 |
To control the pressure of a cushion to the desired one in a die cushion mechanism driven by a hydraulic cylinder.The controller 10 is provided with: a pressure command generation part 52 where a pressure command Pc is generated; and a p...
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JP2007144495 |
To provide a transfer press machine which can perform high-precision hot working while taking advantage of the high productivity of the transfer press, and can impart prescribed strength to a processed molded product.The transfer press m...
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JP2007144488 |
To provide a method and a device for cooling a material in low-temperature forming, with which the material can be cooled at a rate adequate for the mass production rate while saving the installation space.The material cooling device 30 ...
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JP2007136534 |
To provide a press forming method and a press forming apparatus where productivity of a formed product can be maintained while performing quenching.In the press forming apparatus, a heated metallic plate (11) is subjected to a forming st...
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JP2007136533 |
To provide a transfer press device which can maintain productivity of a finished product, while assuring forming accuracy of metal sheet and also improving strength of the finished product.The device comprises a plurality of metal die un...
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JP2007136536 |
To provide a press-forming device, and a press-forming method in which a work is conveyed by using a through hole formed in the work, and which requires no drive source for operating an elastic engagement part.An upper die 1 has a shaft-...
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JP2007136474 |
To provide dies, where a high strength steel sheet is pressed by a die quenching process and a molding having excellent fatigue strength can be obtained.The hot forming die is a pair of upper and lower hot forming dies operating to a ver...
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JP2007136535 |
To provide a transfer press device the high productivity of which is utilized, with which high-accuracy working by hot-working is performed and a prescribed strength can be imparted to the worked formed goods.This device is a transfer pr...
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JP2007136504 |
To provide a work positioning device for a press machine by which the occurrence of wear or damage is extremely lessened, the precision and productivity of a press machining are stably secured and also the occurrence of noise is suppress...
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JP3959455 |
To reduce the occurrence of residual stress in sequential forming. A rod-shaped pressing member 20 is sent down from an upper part, pressed against a plate material, and the sequential forming is carried out by plastically deforming the ...
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JP2007125585 |
To provide a molding method capable of improving the forming limit of the corner of a molded body compared with conventional molding methods, and provide a molding die used suitably for the execution of the same method.The molding method...
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JP2007125604 |
To perform stabilization of torque which a servomotor outputs and pressure regulation with high accuracy.The controller (10) of a die cushion mechanism has a force generating means (50) for generating force between a die cushion (20) and...
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JP2007118021 |
To improve the yield of a material by evading an increase in the margin of excess metal when the depth of drawing is deep or the like in drawing.A projecting-shaped forming part 3 for absorbing the surplus is beforehand provided on a die...
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JP2007118014 |
To provide a press-forming method and a press-forming apparatus by which stable local heating treatment is applied.By setting stress controlling stage after a drawing stage and before a trimming/piercing stage, residual stress is removed...
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JP2007118045 |
To provide a method and an apparatus of working sheet metal comprises the steps of; performing drawing and punching in the same stage; reducing the cost of die remarkably; mitigating severe allowable restrictions in the accuracy of the d...
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JP2007118022 |
To reduce a dead space generated between a press-formed good and parts when arranging the parts in the press-formed good.A method of arranging the parts is disclosed by which other parts are arranged, in the press-formed goods, near by t...
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JP2007118017 |
To provide a double-action press device which can be used jointly as a single-action press device and its press method.This device is a double-action press device A which is provided with a projected die 1 and a recessed die 2 between wh...
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JP2007111765 |
To provide a press forming method where a working limit in press forming for a TRIP (transformation induced plasticity) steel sheet in a ≥590 MPa class can be remarkably improved, and deep drawing therefor is made possible.When a high ...
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JP2007111704 |
To provide a die cushion controller that is capable of improving a follow-up performance in the case of changing a pressure command value during press molding.A die cushion controller 7A used for controlling the pressure, exerted on a pr...
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JP2007111703 |
To provide an apparatus for controlling a die cushion mechanism, wherein a work can be stably worked while abnormality caused upon the operation of a press machine is accurately detected so as to prevent the breakage of a die cushion.The...
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JP3945554 |
To manufacture a speaker diaphragm made of magnesium. After an upper die 21 is made to be in contact with a lower die 23 with a magnesium plate 28 inbetween, the upper die 21 and the lower die 23 both descend and reach a fixed stand 22. ...
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JP2007098422 |
To improve the productivity by shortening a period of time required for one process of a pressing motion.The controller (10) for a die cushion mechanism (20), which generates force applied to a slide (24) of a press with a servomotor (18...
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JP2007090426 |
To make the increase of the force of constraint possible by beads without accompanying the increase of peeling of the surface plating.In the holding state where a sheet blank W is held with wrinkle suppressing surfaces 11A-12B arranged o...
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JP3938170 |
To provide a tool pack structure which has a simple structure, and can easily be manufactured/assembled, and has no fear of water leakage, and can improve the cooling efficiency for a die portion. An ironing die module has such a structu...
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JP3939582 |
To provide a method for determining an apparent coefficient of friction for improving the calculation accuracy of a drawing force required to allow a work to pass a bead part of a plate holding part of a forming die, and a forming simula...
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JP2007083294 |
To provide a press forming method and a press forming system by which press forming is performed without causing twist on a formed product of a rail.By obtaining a resistance value in a specified place of a twist suppressing equivalent d...
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JP2007075846 |
To provide a die cushion device of a press which is simple in structure, high in durability and load resistance, high in stability of the die cushion pressure, and excellent in control accuracy of the die cushion force.The die cushion de...
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JP2007075834 |
To provide a die, an apparatus, and a method for hot press forming, by which die, apparatus, and method, a press formed product to be controlled in its strength can be obtained so as to have a strength stepwise changing at the boundaries...
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JP2007075835 |
To provide a die, an apparatus, and a method for hot press forming, by which die, apparatus, and method, draw forming and large curvature forming, which could not be realized by the conventional hot press forming technology, can be perfo...
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JP3931736 |
To increase depression effect in the inflow of a blank and to reduce bead forming force. A press forming die is provided with a punch for forming a product part, a blank holder 2 for holding the blank and a die. Beads 5 for depressing th...
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JP2007069248 |
To prepare the optimum speed command of a slide and/or a die cushion.The controller (10) of the die cushion mechanism by which force is generated to the slide (24) of a press is provided with a slide speed command preparing means (61) fo...
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JP2007061895 |
To provide a metal mold device, which suppresses generation of wrinkles and manufactures a panel excellent in appearance with a good yield.The metal mold device is provided with: a collapse punch 1, which is a lower die; a panel pressing...
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JP2007054855 |
To provide a method for press forming, which method can be utilized in forming processes, such as deep drawing and complicated shape forming for aluminum alloy, etc., and further to provide a die for press forming, which die is suitable ...
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JP3915194 |
To provide a die cushion method and a device therefor which prevents the breakage and the noise of a die by executing the rising of a movable part of the die cushion device at the time of changing a die without using an air pressure cyli...
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JP2007038255 |
To provide a method and an apparatus of manufacturing a press formed product by which local processing is made possible in one die and the processing of an inverse shape is made possible.By the method and apparatus of manufacturing the p...
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JP2007038238 |
To provide a controller in a die cushion mechanism using a servo motor as a driving source which executes a highly precise force control allowing the die cushion mechanism to generate a required force with high responsiveness.The control...
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JP3913417 |
To provide a split forming method in press working and die device therefore that productivity is high and a press formed part is obtained at an advantageous cost. This device is provided with a die 2 having recessed parts 14 on a working...
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JP2007030009 |
To control the force produced between a slide and a die cushion mechanism as intended even when the slide is operated with the maximum dynamic pressure in a servo press machine.A controller 10 controls force F of a press machine 12, whic...
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JP3910514 |
To enhance general applicability to forming molds having different pressing pads and to reduce production cost by constructing an assembly of a plurality of cylinders and facilitating changes of setting in each pressing force. In a press...
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JP2007021577 |
To enhance drainability by providing unevenness continuously formed on the inner side walls, corners and bottom of a sink and lessening a hydrodynamic resistance coefficient of the unevenness and increasing the capillary force.The invent...
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JP2007021582 |
To provide a shell forming method capable of removing a countersink between a center panel and a chuck wall.An apparatus and a method for forming a shell with a central panel connected to a chuck wall with a z-fold located between the ce...
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JP3908518 |
To prevent a defective drawing molding or ironing molding of a seamless pipe shell by controlling the temperature of a punch by heating, cooling, or keep warming the punch from the outside. According to a production method for the resin-...
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JP2007014998 |
To enable a controller for controlling the operation of a duplex type die cushion mechanism to generate a requested force in individual die cushion mechanisms highly precisely with high responsiveness.The controller 10 comprises: a force...
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JP2007014964 |
To provide a controller for a servo die cushion which can perform a correct force control without using any force detector.The controller 10 comprises: a slide position detection unit 10a for detecting the position of a slide 16; a stora...
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JP2007014987 |
To provide a hydrostatic forming method of a metallic sheet by which deep drawing into a cylindrical shape is possible especially even when the sheet is an aluminum alloy which is low in formability.This method is a hydrostatic forming m...
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JP2007014977 |
To provide a controller, wherein when abnormality is generated in either a slide or a die cushion, the position of the other is suitably controlled, and, the unsuitable increase of the power between both is prevented.The controller 10 co...
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JP2007015007 |
To provide a control system by which a plurality of controllers for controlling die cushions can perfrm the switching between a force control and a position control at a preferable timing in a press machine using a plurality of die cushi...
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JP2007014965 |
To perform a force control that a requested force is generated appropriately with high responsiveness in a die cushion mechanism by a controller for the die cushion mechanism adopting a servo motor as its drive source.The controller 10 c...
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