The precise blanking technology for the fine gaskets,the calculation of the precise stamping force and the design of the precise blanking die to be used on an ordinary punch are introduced.

• 分析了精密垫片的冲压工艺性,介绍了精密垫片的精冲工艺和精冲压力的计算及在普通冲床上实现精密冲裁的精冲复合模的设计。