By the conditions of plastic stability of a column, the critical coning of die cavity is derived. conditions under which plastic instability can be avoided during upsetting are proposed.
利用压杆塑性稳定条件，导出了锥腔的临界角；提出了不产生塑性失稳镦锻的综合条件。
By the conditions of plastic stability of a column, the critical coning of die cavity is derived. conditions under which plastic instability can be avoided during upsetting a...
利用压杆塑性稳定条件，导出了锥腔的临界角；提出了不产生塑性失稳镦锻的综合条件。
应用推荐