发明名称 |
Press molding die and manufacturing method of same |
摘要 |
A press molding die capable of preventing a workpiece from moving is provided. The press molding die includes a punch for pressing a workpiece; a molding die having a molding surface on which the workpiece is placed and a concave portion which is formed on the molding surface and which has a shape corresponding to the punch; a pad for pressing a part of the workpiece placed on the molding surface and which is on the periphery of the concave portion; and a micro-rough layer which is formed by performing a particulate coating process on at least one of a portion of the pad, for pressing the workpiece, and a portion of the molding surface, corresponding to the portion of the pad. Preferably, the height of roughness of the micro-rough layer is 0.01 to 0.06 mm, and the particulate coating process is performed using a silicofluoric chrome plating solution.
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申请公布号 |
US7340934(B2) |
申请公布日期 |
2008.03.11 |
申请号 |
US20040802815 |
申请日期 |
2004.03.18 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA;TEIKOKU KUROMU CO., LTD. |
发明人 |
KUROKAWA TAKANORI;FUKAYA KAZUO;ICHIKAWA TAKAHIRO;YONEDA TAKASHIGE;MINAMI TAKETOSHI |
分类号 |
B21D37/00;B21D24/00;B21D24/04;B21D28/34;C25D7/00 |
主分类号 |
B21D37/00 |
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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