发明名称 METHOD FOR PRESS-FORMING L-SHAPED COMPONENTS
摘要 The present invention provides a forming method that forms a press component with an L shape from a blank metal sheet, the press component having a top sheet section and a vertical wall section which is connected to the top sheet section via a bent section having a part curved in an arc shape and which has a flange section on an opposite side to the bent section, the top sheet section being arranged on an outside of the arc of the vertical wall section, the method including: disposing the blank metal sheet between a die amd both of a pad and a bending die; and forming the vertical wall section and the flange section while at least a part of the blank metal sheet is caused to slide on a part of the die corresponding to the top sheet section, the forming of the vertical wall section and the flange section being performed in a state where the pad is made close to or brought into contact with the blank metal sheet.
申请公布号 EP2572811(A1) 申请公布日期 2013.03.27
申请号 EP20110783613 申请日期 2011.05.19
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 TANAKA YASUHARU;MIYAGI TAKASHI;OGAWA MISAO;UCHIYAMA SHIGERU
分类号 B21D22/21;B21D22/20;B21D22/26;B21D53/88 主分类号 B21D22/21
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