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BLANK STEEL PLATE, PRODUCTION METHOD AND PRODUCTION DEVICE THEREFOR, AND PRODUCTION METHOD FOR PRESS-FORMED PRODUCT USING BLANK STEEL PLATE
BLANK STEEL PLATE, PRODUCTION METHOD AND PRODUCTION DEVICE THEREFOR, AND PRODUCTION METHOD FOR PRESS-FORMED PRODUCT USING BLANK STEEL PLATE
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机译:空白钢板,其制造方法和制造装置以及使用该空白钢板的压制成型品的制造方法
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摘要
A blank steel plate is planar and used for producing a press-formed product that has an open cross-section including a bent portion. The blank steel plate is homogeneous in its entirety and includes a belt-shaped thick area that has an increased thickness, thin areas that are adjacent to both sides of the thick area and have a thickness smaller than the thickness of the thick area. On the front surface of a front surface and a back face of the blank steel plate, a step height in thickness is formed along one of both side portions of the thick area, and on the back face, a step height a thickness is formed along the other of both side portions of the thick area. By using the blank steel plate in producing the press-formed product, it is possible to optimizing the strength of the press-formed product, and suppress manufacturing costs.
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