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通过对曲面零件带筋拉深中筋的成形过程的分析 ,推导了拉深筋的成形力公式 ,并且进行了试验验证 .同时 ,又得到了保证拉深零件时压边圈不被抬起的最小压边力公式
The forming force formula of drawbead was deduced through the analysis of the forming process of the ribbing with curved surface, and the experimental verification was carried out.At the same time, the minimum pressure blanket was not lifted when the part was drawn Blank holder force formula