加工诸如纸垫、绝缘绸、橡胶板等薄片类零件,通常采用简易冲头,以手工冲制。它有以下缺点:(1)劳动强度大,效率低;(2)用手工敲击冲头柄,冲裁方向掌握不准,冲头刃口容易损坏;(3)垫板一般采用软质材料,如夹布胶木板、铅板、铝板等,冲几件就要调换位置,浪费垫板材料。 Processing such as paper pads, silk insulation, rubber sheet and other parts of the sheet, usually using simple punch to hand-punched. It has the following shortcomings: (1) labor-intensive, low efficiency; (2) by hand percussion ram handle, blanking direction is not allowed, punch cutting edge easily damaged; (3) pad generally use soft materials , Such as folder cloth bakelite, lead board, aluminum, etc., will be a few pieces of the swap position, a waste pad material.