Abstract: In this paper,through stress analysis of region about conical and spherical parts during drawing,a calculating formula of maximum tangential compressive stess in unsupported wall region is deduced.And this is condition of causing internal wrinkl
Abstract: In this paper,through stress analysis of region about conical and spherical parts during drawing,a calculating formula of maximum tangential compressive stess in unsupported wall region is deduced.And this is condition of causing internal wrinkl
文摘:通过对球形和锥形零件在拉深过程中各部分的应力分析，得到了拉深过程中悬空区切向压应力最大值的计算公式，以此作为引发内皱的条件，在保证工件不被拉裂的前提下，建立了临界计算公式。