火车车轮压痕工艺数值模拟  

Numerical simulation of embossing in railway wheel pre-forming process

作　　者：许章泽[1] 李胜祗[1] 阎军[1] 孙中建[1] 李小宇[2] 安涛[2] 李翔[2] 

机构地区：[1]安徽工业大学冶金与材料学院,安徽马鞍山243002 [2]马鞍山钢铁股份有限公司车轮分公司,安徽马鞍山243010

出　　处：《安徽工业大学学报（自然科学版）》2002年第4期281-283,292,共4页Journal of Anhui University of Technology（Natural Science）

基　　金：安徽省"十五"科技攻关计划项目(01012026)

摘　　要：用商业有限元软件MARC/Autoforge对火车车轮预成形工步进行了弹塑性有限元热力耦合数值模拟,研究了压痕定尺对车轮成形的影响,进一步证实了成形坯在变形过程中存在分流面的理论。Large strain thermo -mechanical cou pled elastic -plastic FEM simulatio n for pre -forming process of railway wheel was investigated by using MARC /Autoforge commercial soft ware,the paper with elastic -plastic thermo -mechanical coupled FEM.The effect of embossing depth on preform ing process was studied.The existen ce of the neutral planes in embossing an d forming workpieces during forming processes was further verified.

关 键 词：火车 车轮 压痕工艺 数值模拟 预成形 压轧工艺 弹塑性有限元热力耦合模拟 

分 类 号：U260.331.1[机械工程—车辆工程] U260.64[交通运输工程—载运工具运用工程]