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JP6662445B1 |
To propose a die cushion device capable of die cushion control with high accuracy and high rigidity. A die cushion device (200) has a double-acting hydraulic cylinder (210) that moves a cushion pad (140) up and down, and an oil tank (T) ...
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JP6662113B2 |
To provide a press die capable of suppressing wrinkles generated on a flange, in press molding for molding a member having a bent part, and having a flange on the bent part, because shrink flange wrinkles are generated when press molding...
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JP6659733B2 |
A hot-stamping formed article is formed of a single steel sheet, and includes: a top sheet portion; a pair of standing wall portions; and a protrusion portion which connects the top sheet portion to the standing wall portion and protrude...
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JP6658465B2 |
To provide a press-molding die for a press-molded article which keeps the top plate part curved, has a vertical wall part shrunk by being continuously molded from the top plate part to undergo flange deformation, and makes the vertical w...
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JP6659380B2 |
A manufacturing method of a press-formed article includes arranging a member to be pressed between first and second dies, and relatively moving the first and second dies so as to approach each other, thereby press forming to a portion to...
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JP6654896B2 |
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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JP6654839B2 |
To provide a press working machine capable of restraining an increase in man-hours, when removing pieces generated by fragmenting a scrap.A press working machine comprises relatively movable upper die 14 and lower die 15, a first molding...
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JP6649384B2 |
A tool for manufacturing hot formed structural components having locally different microstructures and mechanical properties, the tool comprising upper and lower mating dies, each die being formed by two or more die blocks comprising one...
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JP6652092B2 |
To provide a press molding method in which spring-back is prevented and there is less variation in molded shapes in press molding of a metal plate such as a steel plate.This press molding method is a press molding method for press moldin...
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JP6651057B1 |
The press forming apparatus may be a press forming apparatus that presses and forms a heated work while cooling it. The press molding apparatus may include a first mold that supports the work. The press molding apparatus may include a se...
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JP6646588B2 |
A method for manufacturing a hot-stamp-molded article is provided with a heating step (E1) for heating a steel sheet blank (12), a pressing step (E2) for molding the heated blank (12) by hot-stamp molding into a high-strength pressed com...
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JP6647353B2 |
Provided is a hot stamping die apparatus including sub-assemblies constructed by making a plurality of plates erect and sequentially overlapping the plurality of plates in a face-to-face manner. A first cooling channel extending along ov...
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JP6648870B1 |
The method for manufacturing a saddle-shaped press-molded article according to the present disclosure is to bend the top plate constituent portion of the blank formed on the top plate portion, and in the bending, the top plate constituen...
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JP6646697B2 |
A cushion pin pressure equalizing device that can absorb a variation in height of a plurality of cushion pins and control a die cushion load highly accurately, a die cushion device with a cushion pin pressure equalizing function, and a c...
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JP6646637B2 |
In a press machine having a die cushion device which supports a cushion pad and which generates a die cushion force when a slide of the press machine is lowered, the wrinkle generation detection device (550) includes: a slide position de...
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JP6645519B2 |
A method for manufacturing a press-formed product includes a first step and a second step. In the first step, a concavity (8) is press formed in a blank (S) by use of a punch (13) and a first die (11). The punch (13) has a shape correspo...
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JP6642336B2 |
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JP6638806B2 |
This method for manufacturing a panel-like formed article has preparing a blank material made of a metal sheet having a tensile strength of 390 MPa or more and 980 MPa or less; and press-forming the blank material in a cold manner using ...
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JP6629891B2 |
A press forming apparatus that produces a character line in a design surface of an outer panel by press forming includes an upper die and a lower die. The upper die has a die surface that is configured to form a design surface of an oute...
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JP6629781B2 |
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JP6628746B2 |
A tool for manufacturing hot formed structural components having locally different microstructures and mechanical properties is described. The tool comprises upper and lower mating dies, each die being formed by two or more die blocks co...
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JP6631759B1 |
It reduces molding defects such as cracks, wrinkles, and deterioration of dimensional accuracy of pressed parts that have a curved shape so as to be convex toward the top plate along the longitudinal direction. When viewed from the side,...
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JP2020001052A |
To provide a press molding abnormality detection method that controls a molding operation in response to an abnormality caused by a fractured piece generated from a workpiece in a mold during operation of a press molding device to minimi...
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JP6619595B2 |
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JP6619645B2 |
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JP6619636B2 |
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JP2019534789A |
A container having a first side wall, a second side wall, and a bottom portion extending between the first side wall and the second side wall, for example, a beverage can or a food can. The bottom material is stretched relative to the fi...
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JP2019206014A |
To provide a double blank detector for a press machine which can reliably detect a double blank when the double blank is supplied to the press machine, and a metal mold protector for the press machine.A double blank detector 302 for a pr...
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JP6614160B2 |
A panel-shaped formed product (1) made of a metal sheet includes a top panel portion (2), an opening portion (3), and a vertical wall portion (4). The top panel portion (2) is polygonal. The opening portion (3) is provided in the top pan...
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JP6616664B2 |
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JP6602321B2 |
A method of forming a part from sheet metal alloy is provided, for example, forming a part from aluminium alloy. The method comprises heating (A) the sheet metal alloy to a temperature at which solution heat treatment of the alloy occurs...
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JP6597942B1 |
The hold device is used by being attached to a mold device. The holding device includes a distance member that is swingably attached to the holder and a swing device that is mounted on the first mold unit and swings the distance member. ...
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JP6598129B1 |
To provide a pouch forming method and a pouch forming device capable of preventing the occurrence of cracks when forming an accommodating portion accommodating an electrode assembly on a pouch sheet. This is a pouch forming method in whi...
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JP6597941B1 |
The mold device includes a distance member that is swingably supported by a holder, and a swing device that is provided in the first mold unit and swings the distance member. The holder is provided so as to be movable in the press direct...
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JP6593944B1 |
To manufacture a press machine having higher punch cooling performance and higher operating speed than before, a method for manufacturing a component of such a press machine, and a container using such a press machine. Provide a method. ...
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JP6592118B2 |
A motor control device includes a pressure command unit calculating a pressure command for commanding pressure generated in a pressure control object, a pressure detection unit detecting the pressure generated in the pressure control obj...
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JP6590129B1 |
Provided is a technique capable of further reducing molding defects such as cracks, wrinkles, and deterioration of dimensional accuracy for a hat-shaped cross-sectional pressed part having one or more curved portions when viewed in a pla...
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JP6591378B2 |
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JP2019528178A |
A can body maker with a ram and a redraw sleeve assembly for holding cups or other preforms against the redraw die. The redraw sleeve assembly includes a redraw sleeve, a redraw carriage in which the redraw sleeve is detachably connected...
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JP6586895B2 |
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JP6588047B2 |
The invention relates to a process for making a hot stamped coated steel sheet product, comprising the steps of pre-coating a steel strip or sheet with aluminum—or aluminum alloy, cutting said pre-coated steel strip or sheet to obtain ...
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JP2019166558A |
To provide a press processing apparatus that can efficiently manufacture a press-molded body having a plurality of side plates.The press processing apparatus comprises: a fixed mold 20 that has a top surface and four side surfaces; four ...
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JP6580740B2 |
A cooling apparatus consisting of a pump (210), a pre-heater (220), a control valve (240), a condenser (320) and a reservoir (100) for a hot stamping die (10) is configured such that a refrigerant in a two-phase coexisting state of a liq...
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JP6581165B2 |
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JPWO2018083814A1 |
Even if the blank material in a high temperature state is trimmed, by eliminating the occurrence of burrs in the press-molded product, the deburring work performed after molding is eliminated, and the work man-hours are reduced. Achieve ...
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JP2019150865A |
To provide a metal-molding metal mold capable of, when press-molding a plate-like member configured by welding a plurality of metal plates, suppressing damage of a metal mold generated by a weld bead part formed by the plate-like member,...
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JP6556594B2 |
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JP6551523B2 |
[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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JP6551553B2 |
A press formed product includes a top panel part, vertical wall parts, and ridge line parts between the vertical wall parts and the top panel part, and includes a shape-changing part in a part of the ridge line parts. A producing method ...
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JP6551637B1 |
Provided is a press molding technique capable of reducing molding defects for a molded part having a hat-shaped cross section having a shape curved so as to be convex toward the flange portion when viewed from the side. The vertical wall...
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