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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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