发明名称 Punching die
摘要 Provided is a punch tool which enables improvement in accuracy of processing a work by suppressing rattling between a punch body and a punch guide and eliminating almost all steps in a punched surface (cut surface) of the work. A punch tool includes a cylindrical punch guide; a punch body movably provided in the vertical directions in the punch guide; a punch head provided at an upper end of the punch body; a stripper spring provided on a lower side of the punch head; and a plurality of rotation control modules including key grooves and formed so as to vertically extend in the punch guide or the punch body and keys and which are provided in the punch body or the punch guide and are movably fitted in the vertical directions to the key grooves.
申请公布号 US8714065(B2) 申请公布日期 2014.05.06
申请号 US20050719496 申请日期 2005.11.18
申请人 TAKAHASHI YUKIO;SHIMIZU SATOSHI;NAKAI HIROSHI;AMADA COMPANY, LIMITED 发明人 TAKAHASHI YUKIO;SHIMIZU SATOSHI;NAKAI HIROSHI
分类号 B26D7/06;B21D28/34;B21D45/00;B26D7/26 主分类号 B26D7/06
代理机构 代理人
主权项
地址