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JP2022033617A |
To provide warm press forming apparatus and method which directly heat a tip portion of a punch that is brought into contact with a workpiece to turn a processing region of the workpiece into a warm state selectively.A warm press forming...
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JP7028028B2 |
To provide a press-formed product 1 in which both 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.Both workpieces 2 and 3 are heated without being...
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JP7019970B2 |
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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JP7019267B2 |
To provide a press machine, whose operation speed can be increased more than before.A press machine 10 according to the present invention comprises upward-movement restricting member 25 that receives power of a driving source (a motor 70...
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JP7018832B2 |
To provide a vehicle structural materials having multiple levels of different strength in a short manufacturing lead time.A method for manufacturing a vehicle body member 1 having partially different strengths includes: a step S1 at whic...
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JP7017164B2 |
To provide a press device capable of restraining the occurrence of molding failure in press molding.A disclosed press device includes a die body 111, a pressing member 112, a first supporting mechanism 113, a punch 121, and a blank holde...
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JP6996605B1 |
To provide a press forming method and a press forming apparatus for an outer panel for an automobile which prevents line deviation and forms a character line. A method for press-molding an automobile outer panel according to the present ...
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JP6998216B2 |
A shell, a container employing the shell, and tooling and associated methods for forming the shell are provided. The shell includes a center panel, a circumferential chuck wall, an annular countersink between the center panel and the cir...
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JP2022020313A |
To suppress pressure drop in a channel of air while supplying the air to a ram shaft through the inside of a reciprocating liner motion mechanism, and to stably release a can after molding from a punch.A reciprocating linear motion mecha...
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JP2022020316A |
To provide a frame for a drive mechanism, which can increase mounting accuracy of a reciprocating linear motion mechanism and which can facilitate maintenance of the reciprocating linear motion mechanism, and can molding equipment compri...
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JP7008159B1 |
To provide a bending apparatus capable of bending a work made of high-strength steel or ultra-high-strength steel without cracking and so as to significantly reduce the amount of springback. A work 4 made of a steel plate is bent so that...
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JP7003341B1 |
A pressure command generator that outputs the first pressure command (P1a) of the pressure or force generated between the die cushion mechanism and the slide (1) by the die cushion control device (200A) that controls the die cushion mech...
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JP7000459B2 |
A molding recessed part of a lower mold constituting a press molding device is provided with a first blank holder, and a circular second blank holder is freely movably provided on one outer peripheral side of the first blank holder. Mean...
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JP7001073B2 |
To provide a press forming method in which variation in shape of a press-formed article resulting from difference between material strengths of metal plates is reduced when forming a press-formed article having a hat type cross section s...
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JP7000674B2 |
The present invention aims to provide a mold to be used for blanking a metal plate to shape a blank to be drawn. The mold has a surface treatment film that is effectively prevented from a progress of peeling. The mold of the present inve...
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JP6992015B2 |
The present disclosure discloses a method for improving yield strength of one or more workpieces. The method includes positioning the one or more workpieces in a punch and die assembly and operating the punch and die assembly such that, ...
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JP2022002852A |
To provide a press forming method for a metal plate, by which spring back can be further suppressed compared to a conventional method.A press forming method for a metal plate 1, in which a metal plate 1 is disposed between a die 31 and a...
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JP6987692B2 |
To allow an age-hardened aluminum alloy to be molded at a lower cost.In step S101, a plate material consisting of an aluminum alloy and subjected to precipitation hardening treatment is heated in a state that the precipitation hardened s...
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JP2021195618A |
To provide an inexpensively available general process for manufacturing a press-hardened work of hot-formable blanks.The invention relates to a method for press hardening blanks 1 composed of hot-formable steel with the following process...
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JP2021194700A |
To provide a die cushion device of a press machine that is equipped with a locking mechanism that can be easily installed in an existing die cushion device and can easily secure a function of temporarily stopping a cushion pad.A die cush...
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JP2021196047A |
To provide a hydrolocking gas spring device which is simple in a structure, and favorable in cooling efficiency.In a hydrolocking gas spring device, a piston 3 is slidably arranged in a cylinder chamber 2 which is formed at a main body 1...
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JP2021194687A |
To provide a manufacturing method for a press-molded product, a pressing die, and a press-molding device which can prevent a crack and a wrinkle from occurring on a top plate of a press-molded product, in manufacturing the press-molded p...
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JP6985989B2 |
A method for manufacturing a press-molded article includes: preparing a patchwork blank 1 in which a thickened portion 4 is formed by welding patchwork 3 to basework 2; bending only the thickened portion 4 of the patchwork blank 1; and b...
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JP6981502B2 |
A press forming tool 13 according to the present invention are configured to form a press forming part 1, the press forming part 1 including: a top portion 3 having a convex and concave outer edge part 11 in which a convex outer edge par...
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JP2021190151A |
To provide a load beam capable of avoiding instability of a distance between a load beam for a disc device suspension and a flexure.A load beam 16 has: a pair of flange bending parts 43 and 44 which include first bending parts 41 and 42;...
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JP6975580B2 |
To provide a press molding method capable of molding by using less material by reducing inflow of the material to a vertical wall part.A press molding method for pressing a blank material 50 by moving a die relatively to a punch, and for...
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JP6973236B2 |
To provide a press forming method for forming a press-formed article having an L-shape in a planar view while preventing the occurrence of wrinkle.The press forming method according to the invention is a method for forming a press formed...
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JP6972405B1 |
To provide a hot press molding die capable of easily and surely closing a passage hole of a die main body with a plug member. A mold body 12 formed of a mold material for hot press molding is provided. A cooling structure 14 having a ref...
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JP6969133B2 |
To provide a press forming method being a manufacturing method of a molding having a stretch flange which is suppressed in the thinning of a plate thickness caused by an influence of compression deformation, being a molding which can be ...
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JP6959903B2 |
To provide a command generating apparatus capable of easily generating a die cushion force command or a slide speed command during a press-molding period, according to the human force sense.A command generating apparatus attached to a di...
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JP6959993B2 |
To suppress springback of the press-formed product, in improving rigidity of a press-formed product having a low rigidity shape produced by press-forming a sheet material by a rigidity adding shape to suppress springback at a time when t...
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JP6954207B2 |
To suppress surface strain of a circumference of an embossed portion and to simply constitution of a press forming apparatus.A press forming apparatus 1 is provided that comprises:, at a top part 5 provided in a forming region R, a punch...
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JP6951541B1 |
To provide a hot press molding apparatus capable of preventing delayed fracture of a molded product. This is a hot press molding apparatus 1 having a molding portion 4 and a trimming portion 3 and performing molding and trimming on a hea...
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JP2021164937A |
To solve such a problem that conventional press forming causes an SS mark in a thin sheet and which results in inferior quality depending on a raw material of a thin sheet, the production condition thereof and the like at press forming.A...
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JP2021164956A |
To provide an apparatus for controlled return of stems in cylinders applied to stamping presses.An apparatus comprises fluid-operated cylinders (11), and at least one hydraulic accumulator (20) which is fluidically connected to at least ...
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JP2021162182A |
To provide a heating furnace which enables an atmosphere around a heated object while the same is heated to be easily controlled.A heating furnace comprises: a furnace body; a forward-and-backward section which can be moved forward and b...
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JP6946571B2 |
This heating furnace includes a housing having a pair of side walls, a workpiece support material configured to support a workpiece having a flat plate shape in a horizontal posture between the pair of side walls, a planar heater configu...
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JP6941413B2 |
To provide a die cushion device capable of certainly locking a die cushion pad when the die cushion pad reaches a bottom dead center, even when operating a press machine at high speed.In a die cushion device 100, a moving portion is conf...
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JP2021146365A |
To provide a press molding die that can stabilize molding quality and extend the service life based on an idea contrary to the conventional idea.The present invention is a die used for press molding of a material, and has a convex part c...
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JP2021137851A |
To provide a press metal mold which can prevent the generation of a season crack and a stress corrosion crack of a press molding in a process which is simpler than before, and the press molding which is reduced in the season crack more t...
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JP2021524905A |
To provide a multi-chamber type heater capable of efficiently performing a blank heating step while occupying a small installation space. The present invention is a multi-chamber type heater for heating a blank in order to solve the abov...
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JP6929832B2 |
A draw pad reduces instances and the extent of earing when a blank of metal is clamped and punched during a drawing process that results in the formation a cup-shaped body from the blank. A draw pad for a cupping press includes an inner ...
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JP2021122839A |
To provide a manufacturing method for a press molded article in which fracture and crack of a side wall part with respect to a bottom surface part can be suppressed in molding a press molded article having the bottom surface part and the...
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JP6926186B2 |
A process and a system for forming of a workpiece using a press including a pressure generator, a forming tool, and an at least in part elastically deformable element, are disclosed. At least one of the workpiece or the forming tool is h...
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JP6926437B2 |
To provide a heating apparatus in which uniformity of heating in a heating target region is enhanced when partially performing heating on the heating object and also to provide a light shading member used for the same.A heating apparatus...
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JP6923044B1 |
To provide a press molding die and a press molding method which can be applied to a press-molded product in which wrinkles and cracks occur in the flange itself and can suppress wrinkles and cracks in the flange at the same time. A press...
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JP6922584B2 |
The present disclosure is applied to a press molding method for press-molding a workpiece by a press die composed of an upper die and a lower die while holding the workpiece by a die cushion. The press molding method according to the pre...
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JP6919690B2 |
To provide a lower die shape capable of inhibiting wrinkles from being formed due to shrinkage deformation of a flange part.This method includes a bending forming step of bending-forming a side wall part 11 and a flange part 12 by press-...
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JP6923043B1 |
To provide a press molding method capable of simultaneously suppressing wrinkles and cracks generated in a flange. In the press molding method according to the present invention, a top plate portion 3 and a vertical wall portion 5 contin...
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JP6901772B2 |
To provide a press device capable of easily applying compression pressurization means for executing compression drawing processing even to an existing press device body.A press device comprises a lower die set 4 attached on a press devic...
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