圆柱体镦粗模型单元单位变形力及边界条件的比较分析  

Compare and Analyse of Unit Deforming Force and Boundary Conditions in Model Element of Cylinder Upsetting

作　　者：盛志刚[1] 王华昌[1] 陈永波[1] 吴彦西[1] 

机构地区：[1]武汉理工大学材料科学与工程学院,湖北武汉430070

出　　处：《锻压装备与制造技术》2006年第3期73-75,共3页China Metalforming Equipment & Manufacturing Technology

基　　金：国家自然科学基金资助项目(50275112)

摘　　要：镦粗中接触表面的摩擦边界条件为库仑摩擦、最大摩擦力条件、常摩擦条件以及翁克索夫等提出的准确摩擦条件,本文将讨论各边界条件在理论求解圆柱体镦粗模型单元单位变形力中的应用,结论将有利于准确选择摩擦边界解题。The different boundary conditions such as Coulomb condition,maximum condition,constant friction condition and conditions developed by E.P.Unksov et al which are involved in calculating unit deforming force for model element of cylinder upsetting,have been discussed of which results should be helpful to choose suitable boundary conditions.

关 键 词：机械制造 摩擦条件 镦粗 圆柱体 单位变形力 

分 类 号：TG316.11[金属学及工艺—金属压力加工]