差厚拼焊板车门内板冲压成形焊缝移动数值模拟研究  

Study on Weld-line Movement of Tailor-Welded Inner Door with Different Thickness in Stamping Process

作　　者：龚小涛[1] 杨帆[1] 党杰[1] 陆演[2] 

机构地区：[1]西安航空职业技术学院,陕西西安710089 [2]北京汽车研究总院有限公司,北京100021

出　　处：《热加工工艺》2012年第9期94-96,共3页Hot Working Technology

基　　金：陕西省教育厅科研计划项目资助(11JK0815)

摘　　要：对差厚拼焊板汽车后门内板零件在冲压成形时的焊缝移动进行研究,设定了有限元数值模拟前处理的一些关键参数;建立了车门内板及其模具的三维模型;用分析软件Dynaform进行数值模拟仿真。研究了焊缝位置对成形性及焊缝移动的影响,同时对焊缝移动控制等进行了大量模拟拉深试验。对这些模拟结果进行了分析讨论,最终得到了较合理的结果,并用于指导模具设计。The weld-line movement of TWB auto inner door with different thickness in stamping process was studied.A number of key parameters of finite element numerical simulation of pre-treatment was set;the door-inner and three-dimensional model of the die was established.With the FEM software Dynaform,various forming condition were simulated in door-inner drawing process.The effects of welding seam position on sean formng and movement were studied,and a lot of extension simulation were carried out.The simulation results presented by the diagrams were discussed,and proper results were attained,which were used for desinguide.

关 键 词：差厚拼焊板 车门内板 冲压成形 焊缝移动 

分 类 号：TG386[金属学及工艺—金属压力加工]