特种车体大型结构件焊接的三维有限元分析及工艺优化  

Special Car Body Welding Large Structural Three-dimensional Finite Element Analysis and Process Optimization

作　　者：陈泳[1] 冯和永[1] 李巍[1] 王成[2] 张宝东[1] 刘兴成[1] 

机构地区：[1]北京北方车辆集团有限公司,北京100072 [2]中国人民解放军驻618厂军事代表室,北京100072

出　　处：《新技术新工艺》2016年第1期5-7,共3页New Technology & New Process

摘　　要：应用WELD-PLANNER有限元分析软件对特种车体大型结构件焊接过程进行数值模拟仿真分析,设计了多种焊接顺序的焊接工艺,分析了不同的焊接顺序对大型结构件的焊接变形影响,从而选择了合理的焊接顺序,优化了焊接工艺,减少了焊接变形,提高了大型结构件的精度。该方法对于工程应用具有一定指导意义。The WELD-PLANNER finite element analysis software for big special car body structure of welding process in the numerical simulation analysis is introduced.Design a variety of welding procedure,and the welding sequence of different influence on the welding deformation of large structure is analyzed.Welding sequence is choosed to select the reasonable welding sequence,it can optimize welding process,reduce the welding deformation,and improve precision of the large structure.The method has a certain guiding significance for engineering application.

关 键 词：特种车体大型结构件 有限元分析 焊接顺序 焊接变形 工艺优化 

分 类 号：TG404[金属学及工艺—焊接]