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JPWO2014061473A1 |
It prevents the steel sheet from being locally overheated or the temperature of other parts of the steel sheet from being locally lowered due to the generation of stray current. Another object of the present invention is to provide an en...
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JP5982560B2 |
Provided is a press apparatus which ensures high production efficiency and has less chances of breakdown. Specifically, the press apparatus has a base placed on a floor, and a platform arranged over the base to face the base and move up ...
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JP5978533B2 |
Provided is a metal processing method that can manufacture press processed products replete with ductility while providing high strength. When press deformation processing of a ferrous material in which an austenite state has been formed...
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JP5974331B2 |
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JP2016150366A |
To provide a cross-sectional hollow material large in rigidity and excellent in dimensional accuracy by easy work by press work of two plate materials.A core mold 19 capable of fitting and separating the undersurface side in and from a r...
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JP2016147270A |
To elongate an exchange cycle of a seal material by suppressing deterioration of the seal material caused by heat at the molding time, when disposing the seal material by forming a passage for a cooling medium extending over a plurality ...
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JP2016523719A |
To provide a method capable of eliminating at least some of the limitations and drawbacks of the prior art. The method of the present invention for producing a standard part from a heat-treated aluminum alloy blank includes a step of pre...
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JP5968385B2 |
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JP5968298B2 |
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JP5967223B2 |
A draw bead (1d, 47c, 59c) is formed in a plate-shaped material (1, 47) in which a drawn portion (1a) is formed, outside the drawn portion (1a), the draw bead (1d, 47c, 59c) being used to adjust an inflow of the plate-shaped material (1,...
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JP2016140893A |
To provide a hot press molding apparatus and a hot press molding method, which are enabled to improve productivity and to down-size of the apparatus.A positioning device 61 drives a lifting device 63, when an upper die 41 is moved upward...
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JP5963184B1 |
[Subject] Provide restricted material excellent in friction performance, restricted material which a coefficient of friction was high and controlled the friction characteristic arbitrarily especially according to a use, a processing devi...
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JP5958644B2 |
In a press forming step of obtaining, from a blank (300) of high-tensile strength steel sheet of 390 MPa or more, a press-formed product with a shape of cross section having at least a groove bottom part (101), ridge line parts (102), an...
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JP5961832B2 |
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JP5957613B2 |
An object of the present invention is to stably support steel sheets for hot stamping accommodated in a far-infrared radiation multi-stage type heating furnace over a long period of time using steel sheet support members having a small p...
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JP5951591B2 |
There are provided a die cushion force control method and a die cushion device (200) that can improve response delay of die cushion force without changing die cushion waiting position upward. In the die cushion force control method, a se...
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JP5949856B2 |
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JP5952881B2 |
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JP5949724B2 |
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JP5950374B1 |
[Subject] A deep-drawing processing machine suitable for deep drawing from which it can miniaturize, and composition of a device is also comparatively simple and a reducing work ratio becomes two or more is provided. [Means for Solution]...
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JP5945948B2 |
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JP2016117087A |
To reduce to the utmost the frequency of a scale removal treatment in a press die.A hot press molding facility includes a discharger 3 for discharging a steel plate W molded by a press die 2 from the press die 2. The discharger 3 include...
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JP5942437B2 |
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JP5942606B2 |
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JP5941141B2 |
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JP5938074B2 |
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JP5937024B2 |
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JP2016110950A |
To provide a heating method of a plated steel plate capable of suppressing irregularity of plating and to provide a heater.The heating method includes: making a current for generating a magnetic field in which a magnetic flux penetrates ...
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JP5934272B2 |
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JP5934389B2 |
There is provided a switching unit (34, 35) that is capable of switching in a stepwise manner a relative position of a second die (31) with respect to a cutting member (32) in an approaching-and-separating direction. The switching unit c...
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JP2016516582A |
To provide a hot-formed part which performs trimming, drilling or flange forming after hot forming, which does not cause delayed fracture and does not need to be annealed, and an apparatus and method for manufacturing the hot-formed part...
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JP5931770B2 |
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JP5931769B2 |
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JP5933299B2 |
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JP5929846B2 |
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JP5927355B2 |
The present invention provides a far-infrared radiation heating furnace for steel sheets for hot stamping configured to inhibit thermal deformation of the furnace body and furnace body parts. A far-infrared radiation heating furnace (10)...
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JP5920485B2 |
Provided is a technique capable of inexpensively working a steel sheet. A step (S1) for working a workpiece (W) with an apparatus (1), includes: a drawing step (S2) for performing drawing with a drawing device (2) having an upper die (22...
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JP5917952B2 |
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JP5920280B2 |
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JP5915632B2 |
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JP5910305B2 |
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JP5910306B2 |
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JP5907997B2 |
End-group components for superconducting accelerator cavity used in acceleration of charged particles are manufactured by subjecting pure niobium sheet materials to press forming composed mainly of flat-bottomed cylindrical drawing, pref...
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JP2016052677A |
To further surely prevent that a problem occurs on a life of shearing double edges, and on the accuracy of a finished product when forming the finished product by shearing the other portion from a press-forming part which is formed at on...
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JP5902939B2 |
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JP5904094B2 |
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JP5904095B2 |
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JP5901493B2 |
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JP5897710B2 |
The present invention concerns a forming process for hot forming of a steel sheet of a rotor blade to be produced of a wind power installation, including the steps heating the steel sheet in a furnace while the steel sheet is lying on a ...
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JP5890654B2 |
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