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JP6760554B1 |
This molded product is a long molded product including a vertical wall portion formed of a metal plate, a protruding portion, and a top plate portion adjacent to the vertical wall portion via the protruding portion. In the protruding por...
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JP6760417B2 |
To remove effectively generation of a crack on a vertical wall of a hot press molded article having a hat-shaped or ditch-type cross section.A hot press molded article 13 is produced by performing hot press molding to a blank 20 by using...
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JP6758710B2 |
To provide a press device for an inexpensive hot press method capable of heightening productive efficiency by cooling a mold efficiently by forming a circulation passage in a desired shape.A mold 3 for a hot press method includes a first...
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JP6760539B1 |
This molded product includes a top plate portion extending in the longitudinal direction, a vertical wall portion extending downward from both widthwise edges of the top plate portion, and a portion extending outward from both ends of th...
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JP6757939B2 |
The purpose of the present invention is to achieve high tensile strength and partial thinning of a steel plate in press-processing so as to achieve both weight reduction and high strength in a vehicular member component. A vehicular memb...
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JP6753939B2 |
The invention relates to a method for press hardening sheet steel components in which a blank is detached from a sheet steel band composed of a hardenable steel alloy and the blank is then austenitized, in that it is heated to a temperat...
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JP6753502B1 |
To provide a press molding method and a press molding apparatus for an automobile outer panel to prevent line deviation and form a character line. A method for press-forming an outer panel for an automobile according to the present inven...
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JP6750569B2 |
To flatly mold an area used as a part of a product in a press molding process among a formation area of a bead part formed in an interposingly pressing part of a raw material plate.A bead part is formed in an interposingly pressing part ...
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JP2020131255A |
To provide a press molding method which can suppress both of crack and wrinkle of a metal plate, and can increase a drawing depth.A press molding method generates a cushion load which holds a part of a panel W between a die 11 and a cush...
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JP2020131216A |
To efficiently reduce the weight of an upper die and efficiently suppress generation of burrs in a cut panel member in a panel cutting device.A panel cutting device includes: an upper die 1 and a lower die 2; and a die 4 which has a blad...
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JP2020127964A |
To provide a die device capable of absorbing errors in a cushion pin length, parallelism on a press machine side and the like, simply at low cost, as well as, of achieving enhancement and stabilization in quality of formed products.A die...
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JP2020525744A |
It is a technical subject of the present invention to provide a multi-chamber type heater capable of efficiently performing a blank heating process while occupying a small installation space. The present invention is a multi-chamber type...
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JP6748255B1 |
To provide a mold for hot press molding in which a stepped portion of a metal plate material is also hardened to increase the hardness. This is a mold used for press molding of a heated metal plate material 12, and one end is connected t...
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JP6744416B2 |
The invention relates to a method for press hardening sheet steel components in which a blank is detached from a sheet steel band composed of a hardenable steel alloy and the blank is then austenitized, in that it is heated to a temperat...
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JP6738055B2 |
An object is to suppress falling or rising of an end of a press-formed product and twisting of the press-formed product due to springback so as to suppress a shape defect of the press-formed product due to the springback, and, in designi...
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JP6739620B2 |
The present invention provides a cushion pin that is used for a press molding device and has a constitution such that a large stroke width can be assured by a plurality of springs and loading characteristics caused by spring manufacturin...
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JP6737374B2 |
[Solution] Provided is a press-working apparatus configured to provide a molded product by performing press working on a work, the molded product including, in a cross-section, a U-shaped portion including a bottom, a wall, and a punch-n...
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JP2020110837A |
To provide a distance block adjustment height presentation device which presents height adjustment of a distance block and can shorten a distance block height adjustment time, and a distance block adjustment height presentation method.A ...
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JP6727255B2 |
The invention relates to an apparatus, an installation and a method for machining a workpiece made of metal, such as steel, by a machining processes such as forming, pressing, drawing, compressing and cutting. The invention includes at l...
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JP6722190B2 |
Press systems for manufacturing hot formed structural components may be provided. The systems comprise a fixed lower body (2), a mobile upper body (3)and a mechanism configured to provide upwards and downwards press progression of the mo...
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JP2020104140A |
To provide a hot press working device which can suppress excessive reduction in metal die strength while assuring excellent cooling efficiency for a work-piece, and can reduce time and cost required for processing the metal mold and a me...
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JP6717269B2 |
To provide a press forming method of a vehicle outer plate panel, by which the vehicle outer plate panel is press-formed and a character line is formed by suppressing line displacement.A press forming method of a vehicle outer plate pane...
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JP6710405B2 |
To solve a problem in a forming using a die cushion device; in which accuracy differences or deformations in the die cushion device including a cushion pin causes unequal pressures received by a blank holder resulting in formation not co...
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JP6708310B2 |
Provided is a coated steel sheet including a steel sheet, a first aluminum coating layer provided on a first surface of the steel sheet, a zinc compound layer or a metallic zinc layer provided on a surface of the first aluminum coating l...
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JP6702491B1 |
To suppress a surge pressure generated from a hydraulic cylinder in die cushion pressure control. A die cushion device includes a hydraulic cylinder (10) that moves a cushion pad (14) up and down, a hydraulic pump (P) that supplies hydra...
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JP6705449B2 |
This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continu...
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JP6702522B1 |
In a method for manufacturing a curved member having a top plate portion and a vertical wall portion and having a curvature in at least one of a connection portion when viewed from the top plate portion side and the vertical wall portion...
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JP6699724B2 |
A structural member of an integral shaped article using steel sheet having a tensile strength of 590 MPa or more improved in formability, produced using a die or blank holder provided with a space at least at part of a position contactin...
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JP6699207B2 |
To provide a press apparatus that can reduce or eliminate failure in pressing.The disclosed press apparatus includes: a die body 111; a pressing member 112; a first support mechanism 113; a punch 121; and a blank holder 122. The die body...
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JP6702004B2 |
To provide an A-pillar lower outer panel without generating cracks or wrinkles in one step by a hot-stamp process.By using a punch 31, a blank holder 32, a die 33, and a bending die 34, through a hot-stamp process, a portion formed in a ...
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JP2020514066A |
The present invention relates to a device (10) for punching a blank (50) to manufacture a punched part. The device includes a punch (21) including a seat (211), an anvil (22), and a means for generating a magnetic field (34). In the punc...
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JP2020514059A |
A method for manufacturing a sheet metal part with high dimensional accuracy is described. This method is a step of forming a sheet bar into a preformed product (10,10'), in which the preformed product (10,10') has an excessive unfolded ...
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JP6691898B2 |
To provide a press device capable of formation with high strength by invariably cooling the whole area of a high-temperature press molding during pressurized holding.An upper die 5 is provided with a slide mold 54 movable in a direction ...
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JP6692911B2 |
The invention relates to a method for press hardening sheet steel components in which a blank is detached from a sheet steel band composed of a hardenable steel alloy and the blank is then austenitized, in that it is heated to a temperat...
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JP6692667B2 |
To prevent refrigerant from drooping on a work 3 to be subjected to hot press molding from a coolant discharge port 17 opened in a press molding surface 4 of a lifted-up upper die 1.In a hot press working device in which a refrigerant re...
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JP2020066046A |
To provide an in-mold locking device capable of maintaining processing quality of a press finished article by a press machine and accelerating a press processing speed.An in-mold locking device 10 comprises: a movable block 12 which is a...
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JP6686853B2 |
To provide a press molding apparatus which can suppress formation of wrinkles when molding.A press molding apparatus 1 comprises: an upper die 40; a lower die 10; an upper die cushion 50 which can be displaced in a vertical direction wit...
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JP6681239B2 |
To avoid the problems, such as poor molding and poor transport, in a press molding of a patchworkpiece blank 2 obtainable by welding a tabular patchworkpiece 6 onto a tabular base workpiece 5.A press molding method includes transporting ...
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JP6677289B1 |
To provide a press molding method for forming a press-molded product which is curved in a convex or concave shape in the height direction by suppressing cracks and wrinkles. The press molding method according to the present invention has...
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JP2020049545A |
To provide an automatic press processing device for automobile plate material which improves press efficiency, and on the other hand, alleviates impact force from a punch when performing press processing, prevents breakage of punches and...
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JP6672932B2 |
To manufacture a hat cross section part comprising a high strength material having a comparatively complicated shape, by a movable pad pressure at a mold opening time after press molding, without deforming a press molding.A joint link pr...
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JP6672933B2 |
To provide a structural member for vehicle in which shape defect by camber or twist, one of springback is rectified without using a generally used additional process such as emboss or bead influencing the shape of the structural member a...
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JP6672989B2 |
To provide a mold for a U-shaped molding, which can prevent deterioration of yield without increasing man-hours.A mold is to obtain a U-shaped molding by press molding a metal plate in a shape including a curved portion with a curvature ...
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JP6670864B2 |
A press system providing excellent energy efficiency for a whole press system and capable of achieving low prices is provided. A die cushion apparatus 160-1 constituting a press system 10 supports a cushion pad 128, includes a hydraulic ...
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JP6670409B1 |
To perform a plurality of moldings in one pressing operation without using a mold having a complicated structure. In a press device 100 for forming a plate material 9 by a mold 2 having an upper mold 4 and an upper movable mold 6 provide...
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JP6665211B2 |
A first-face forming portion of a workpiece and a second-face forming portion spaced apart from it by the length of an intermediate portion are clamped with a first-face forming die and a second-face forming die, respectively. The first-...
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JP6664556B1 |
It is desired that a region of an arbitrary size at an arbitrary position of a press-molded product formed by a hot stamp (also referred to as a hot stamp or the like) or a cold press can be efficiently softened. The method for manufactu...
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JP6665958B1 |
To provide a joint structure of a vehicle body skeleton component, a vehicle body skeleton component, and a method for manufacturing the vehicle body skeleton component, which improve the rigidity of a joint portion with another vehicle ...
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JP6662128B2 |
To provide a method for manufacturing a press-formed article which has high formed height by hot-stamping, and a press apparatus.The method for manufacturing a press-formed article comprises a preparation step, a heating step, and a hot-...
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JP6662142B2 |
To provide a manufacturing method of a panel-like formed product which is difficult to form, and has high-strength with less defective such as a wrinkle.A manufacturing method includes a preparation process, an intermediate pressing proc...
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