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JP7160917B2 |
Examples of methods of hot forming structural components are provided. The methods include heating a blank made from an Ultra High Strength Steel with an aluminum coating and forming the heated blank in a multi-step apparatus.
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JP2022162536A |
To provide a drawing method which can improve the yield rate of a raw material and avoid inferior quality of surface in which a shape mark of a draw bead is formed at a portion on a product surface in a molding panel.A drawing method com...
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JP7158153B2 |
To provide a manufacturing method of a hot-stamp molding which can prevent the generation of a dross at laser cutting, and a cutting failure while maintaining productivity and suppressing a cost, a metal mold for the hot-stamp molding an...
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JP2022161582A |
To provide a wrinkle elimination plate that significantly reduces the price while also maintaining fabrication precision.The present invention provides a wrinkle elimination plate 3 that is used in a press for forming a material 4 to be ...
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JP7155839B2 |
To reduce manufacture management cost, when manufacturing a structural member excellent in collision characteristic.A manufacturing method of a structural member includes (a) a step for preparing a flat steel sheet for a body, (b) a step...
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JP7155578B2 |
To provide a processing device 100 that can form complex concave-convex shapes and deep drawing without wrinkles.A processing device 100 for deep drawing a blank 88 comprises an upper structure 10 and a lower structure 12. The upper stru...
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JP7153273B2 |
To provide a press molding method for a vehicular member component, by which die durability can be ensured and spring back, warp, etc. of the entire vertical wall portion can effectively be prevented, and to provide a press die therefor....
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JP2022156614A |
To restrain formation of wrinkles on a management surface without increasing press processing load during press-molding of a press molding having a management surface that requires molding accuracy, by providing a clearance for receiving...
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JP2022153827A |
To provide a press forming method for a metal plate, capable of preventing generation of cracks.A press forming method for a metal plate comprises: a first stage in which a metal plate is arranged between a die and a punch, and a portion...
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JP7151507B2 |
A lower mold includes: refrigerant ejection ports in its press-molding surface; refrigerant guide grooves in the press-molding surface to guide a refrigerant ejected from the refrigerant ejection ports to an outer portion of the press-mo...
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JP2022149922A |
To prevent wrinkling and warping of a formed product in press forming.A press forming method includes: a first step in which a die 14 and a blank holder 16, which sandwiches an end portion 1b of a blank 1, are moved along a press directi...
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JP2022147646A |
To provide an assembly method of mold which can elongate tool life by greatly reducing the occasion where a punch comes into contact with a die.An assembly method of mold includes steps of: acquiring coordinates of an upper die and coord...
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JP7147586B2 |
To cool a work-pice efficiently in a hot press-working.A hot press-working device comprises: a plurality of refrigerant discharging ports 212 opened onto a press-molding surface 201 of a lower die 204 with an interval in a longitudinal d...
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JP2022142533A |
To provide an atmosphere controller capable of suppressing generation of a scale of a welded portion when heating a welded workpiece, by making it possible to control an atmosphere only in the vicinity of the welded portion, by suppressi...
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JP2022142283A |
To provide a hot press molding apparatus and a hot press molding method which can prevent generation of a portion which is partially insufficiently quenched by performing cooling of complementing cooling by a cooling passage, while suppr...
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JP7142525B2 |
To suppress formation of wrinkles on an outer part when manufacturing a metal foil compact which has a three-dimensional shape such as a protrusion part or the like on an inner part, thereby providing a product with improved beauty.A met...
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JP2022139470A |
To provide a new press device which reduces tensile residual stress generated in the inside of bending in a bent part of a press molded article in a pressing step.A press device (100) includes a punch (10), a pad (30), dies (20L and 20R)...
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JP2022139485A |
To reduce tensile residual stress generated in the inside of bending in a bent part of a press molded article in a pressing step.A method for manufacturing a press molded article (50) includes a first step and a second step. The first st...
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JP7140132B2 |
In a method for producing an outer panel having a character line, a punch includes a projecting portion for forming a bent surface of the character line at a punch top portion, and a punch shoulder R portion. A contact pressure applied t...
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JP7135905B2 |
To provide a method of manufacturing an electrode exterior body allowing for improvement of a yield of a deep drawing step.The method of manufacturing an electrode exterior body includes a deep drawing step in which an end of the electro...
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JP7133049B2 |
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JP7131076B2 |
To provide a method of manufacturing a pressed article having a desired shape while inhibiting a wrinkle and a break.The method of manufacturing a pressed article comprises a disposing step, a third area constraining step, a first area p...
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JP7127331B2 |
A hot press processing apparatus 1 includes: a heating step of heating a workpiece W; a pressing step of press-molding, by an upper die 11 and a lower die 12, the workpiece W heated in the heating step after loading the workpiece W betwe...
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JP7119988B2 |
Provided is a manufacturing method for a rectangular can according to which it is possible to bring an angle formed by a step surface of a step provided in a rectangular can body and an inner wall surface of the rectangular can body clos...
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JP2022119602A |
To provide a hot stamp processing technique for an aluminum alloy plate which can improve productivity, while enhancing moldability and a degree of freedom of forming.An aluminum alloy plate processing method includes: a heating step of ...
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JP2022119588A |
To suppress the generation of cracks on a panel wall.While a metal plate is held between a die core ring that is a lower mold and a pressure sleeve that is an upper mold, a chuck wall portion is formed in a shape in which a first curving...
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JP7120044B2 |
A lower mold includes: refrigerant ejection ports in its press-molding surface; and three or more independent refrigerant guide grooves extending in the press-molding surface from the refrigerant ejection ports to guide the refrigerant e...
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JP2022119601A |
To provide a hot stamp processing technique for an aluminum alloy plate which can improve productivity, while enhancing moldability and a degree of freedom of forming.An aluminum alloy plate processing method includes: a heating step of ...
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JP2022119587A |
To provide the generation of cracks even if a buckling phenomenon occurs.A chuck wall portion is formed, and by rising with respect to a die core ring and a pressure sleeve while a center portion of a metal plate is held between a panel ...
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JP2022118331A |
To provide a mold for press working that can eliminate necessity of reconfiguration of a prospective amount even when being fitted to a different press machine or requiring only slight modification.A mold 20 for press working comprises: ...
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JP7117065B2 |
To enhance material yield in press molding.The press-molding die comprises a die 10 and a blank holder 20 having pressing surfaces 11 and 21 for gripping an end part of a blank material W and a punch 30 having a molding surface 31. In th...
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JP7115444B2 |
To suppress the deformation of a hat-shaped cross-sectional component at the time of mold releasing, with a simple structure, even if bending occurs in a mold in the hat-shape cross-sectional component.A press device 1 molds a hat-shaped...
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JP2022114712A |
To provide a manufacturing method for a press molded product that can suppress defects in press molding such as a line-deviation defect and a surface-strain defect and improve a quality of a press molded product, so as to enhance yields....
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JP7113624B2 |
To realize deep drawing with a high drawing ratio and a complicated shape by a single-acting type press molding device.In first deep drawing, a slide plate 6 is moved downward by a drive mechanism 7, thereby causing a punch 14 and an inn...
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JP2022112954A |
To provide a die cushion device which suppresses the inclination of a die cushion unit in operation.A die cushion device comprises: a die cushion unit 12 which bears a plurality of cushion pins 11 that upwardly bias a blank holder 9 at e...
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JP7110685B2 |
To provide a press molded product manufacturing method that can improve strength as needed, a press molded product, a center pillar outer and a hot press molding die.The press molded product manufacturing method comprises steps of: heati...
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JP2022111444A |
To provide a bending forming method and a bending metal mold thereof, in which required accuracy of dimension or surface quality can be easily secured, bending process can be performed in one operation, and a material yield ratio can be ...
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JP7109633B1 |
A mold parts device with a cooling function according to the present invention lowers the temperature of a mold using a cooling channel, secures the life of mold parts and product quality, and improves production efficiency. A press die ...
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JP2022109019A |
To prevent separation of a lower die and an upper die during a thickening process.A press machine M includes: a lower die 1; an upper die 2 that can be raised and lowered relative to the lower die and that sandwiches a work piece W betwe...
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JP7106170B2 |
A manufacturing method of a hot forming mold of a center pillar including a cooling unit is provided. The method includes a step of preparing a material by dividing the material, a cooling channel processing step of processing cooling ch...
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JP2022533376A |
A device (1) for forming a member (2), which includes a first tool (3) and a second tool (4), and the first tool (3) and the second tool (4) are the tools ( In order to form the member (2) placed between 3 and 4), it can move with respec...
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JP7103330B2 |
To provide a press molding method that press-molds a press-molded product curved along a longitudinal direction in a planar view, by bending forming.The press molding method according to the present invention press-molds a press-molded p...
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JP7103494B2 |
To provide a manufacturing method, a press device and a press line, of a press formed product capable of securing dimensional accuracy of the press formed product, with such a simple constitution that there is no pad on the die side.A ma...
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JP7104237B2 |
Provided is a press molding method in which a plate material is molded into a target molded body including a ridge section, said method including: a first step for molding an intermediate molded body; and a second step for forming the ta...
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JP7103294B2 |
A manufacturing device manufactures a component having a hat-shaped section as a pad and a punch sandwiching a center portion of a metal plate, and a die and a holder sandwiching both side portions of the metal plate are moved relative t...
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JP7101730B2 |
A die press-forms a tailor welded blank (12A) in a heated state, the tailor welded blank being formed by welding a first plate portion (34) made of a first metal plate material and a second plate portion (35) made of a second metal plate...
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JP2022102104A |
To provide a die cushion device capable of preferably controlling die cushion force inexpensively.A die cushion device comprises: a first hydraulic cylinder 120 for supporting a cushion pad 110; and a first hydraulic circuit 140-1 for dr...
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JP7096535B2 |
A method for incrementally forming includes: preparing a tool T disposed on one side of a metal plate W, a fixing jig 1 to hold a periphery of the metal plate W, and a template P1 including a molded edge E that follows at least a part of...
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JP7089482B2 |
Centering systems for centering blanks outputted from a furnace in a hot stamping line are provided, the centering system comprising a centering table and a heating system for heating one or more selected zones of the blank while arrange...
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JP7087568B2 |
To provide a press-formed product 4 in which workpieces 2 and 3 are at least partly superposed on each other and are engaged with each other so as not to cause positional displacement.A first workpiece 2 having an engaging part 5 is fitt...
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