壳体缩口工艺及模具

摘要

介绍了壳体缩口模具结构及成形工艺，若对凹模加以更换，完全可以用一副模具完成壳体两次缩口成形。%The paper has described the necking die structure and the formingprocess for shell bodies. If the necking die was changed, two necking process can be finished with a set of die.