The reverse-drawing process in the combination stamping forming for a squirrelcage unclosed end face covering and a closed one was analyzed.

• 分析了鼠笼端面透盖和闷盖冲压组合成形反拉深工艺,介绍了反拉深模具设计要点,计算了反拉深模的冲压力,设计了拉深模和反拉深模。