This paper perfects the sink-bulging craft, provides theoretical foundation for optimum design, and offers sound references for its real production.

• 本文完善了液压胀形工艺理论,为液压胀形汽车桥壳的优化设计提供了理论依据,为液压胀形桥壳应用于实际生产提供了可靠的参考。