发明名称 Hydraulic servo valve controlled cupping press
摘要 A cupping press used for forming deep drawn cups that are made into drawn and ironed cans, and which includes an arrangement utilizing servo valve controlled hydraulic cylinders for the forming operation. Specially constructed multistage cylinders for the blanking and forming operations are operated with a closed loop control so that the cutting and forming operations are accurate and reliable.
申请公布号 US3908429(A) 申请公布日期 1975.09.30
申请号 US19740434908 申请日期 1974.01.21
申请人 MTS SYSTEMS CORPORATION 发明人 GRAM, MARTIN M.
分类号 B21D24/00;(IPC1-7):B21D22/22 主分类号 B21D24/00
代理机构 代理人
主权项
地址