发明名称 METHOD FOR PRODUCING PRESS-MOLDED PRODUCT, PRESS-MOLDED PRODUCT, AND PRESSING DEVICE
摘要 This method for producing a press-molded product comprises: a first step in which a blank is pressed to mold an intermediate molded product (30) comprising a long top plate (2), edge line parts (32a, 32b) on both ends in the lateral direction of the top plate, and vertical walls (33a, 33b) which face one another extending from the edge line parts, and at least one of which is a curved wall which is curved when viewed from above the top plate, and a step part which protrudes to the opposite side from the side in which the vertical walls face one another is formed on the curved wall, along the longitudinal direction of the top plate; and a second step which entails pressing the intermediate molded product to reduce the protruding width of the step, and/or pressing the intermediate molded product to pinch the step in the curved wall, moving the part on the opposite from the top plate side towards the side opposite from the side in which the walls face one another.
申请公布号 WO2016171229(A1) 申请公布日期 2016.10.27
申请号 WO2016JP62682 申请日期 2016.04.21
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 KUBO, Masahiro;YOSHIDA, Hiroshi;MIYAGI, Takashi;SUZUKI, Toshiya;NAKAZAWA, Yoshiaki
分类号 B21D22/26;B21D5/01;B21D53/88 主分类号 B21D22/26
代理机构 代理人
主权项
地址