基于有限元的扭杆花键冷滚扎成形过程分析  

Analysis of Cold Rolling Forming Process of Torsion Bar Spline Based on Finite Element

作　　者：董西杰 王红杰 张新闻 DONG Xijie;WANG Hongjie;ZHANG Xinwen(Zhejiang Huifeng Auto Parts Co.,Ltd.,Taizhou 317600;Zhejiang University of Science&Technology,Hangzhou 310018)

机构地区：[1]浙江汇丰汽车零部件股份有限公司,台州317600 [2]浙江科技大学,杭州310018

出　　处：《现代制造技术与装备》2024年第9期111-113,共3页Modern Manufacturing Technology and Equipment

摘　　要：为分析转向扭杆在冷滚扎成形过程中的受力情况,先利用ANSYS软件建立转向扭杆的有限元模型,分析扭杆花键结构特征,标记其花键齿顶端、中间及齿根3处特殊接触点,然后针对扭杆花键实际加工过程中的等效应力、等效应变及破坏性进行有限元仿真。通过分析对比,成形过程中齿顶端受应力作用最易失效,齿根处受破坏性应力最大,这与扭杆花键材料和结构有直接关系。该结论可以指导扭杆花键冷滚扎成形模具的参数优化,从而提高扭杆整体刚度及可靠性。In order to analyze the stress of the torsion bar in the process of cold rolling forming,the finite element model of the torsion bar was established by using ANSYS software,the structural characteristics of the torsion bar spline were analyzed,and the three special contact points of the top,middle and root of the spline teeth were marked.Then the equivalent stress,equivalent strain and destructive force of the torsion bar spline were simulated by finite element method.Through the analysis and comparison,it is found that the top of the tooth is the most vulnerable to failure and the root is the most vulnerable to destructive stress,which is directly related to the material and structure of the torsion bar spline.The conclusion can guide the parameter optimization of cold rolling forming die for torsion bar spline,so as to improve the stiffness and reliability of torsion bar.

关 键 词：扭杆 花键 冷滚扎成形 有限元分析 

分 类 号：TG306[金属学及工艺—金属压力加工] TB115[理学—数学]