应用田口方法优化扭杆弹簧工艺提高疲劳寿命

Application of Taguchi Method Optimization Process to Improve the Fatigue Life of Torsion Bar Spring

扭杆弹簧疲劳寿命是车辆制造过程中重点关注的内容之一。采用田口的参数设计思想,以扭杆弹簧预处理和终处理过程中的关键工艺参数为研究对象,通过优化设计加工工艺参数使得以扭杆弹簧的疲劳寿命达到4.5万次。重点介绍了采用田口方法优化扭杆弹簧的加工制作过程,获得了扭杆弹簧的最佳加工工艺,提高了其疲劳寿命。

Torsion bar spring fatigue life is one of the important elements of the vehicle manufacturing process. This re search adopts the taguchi parameter design thought, with a torsional bar key process parameters in the process of pretreat- ment and final treatment as the research object. Through the optimization design process parameters, Achieve the fatigue life of torsion shaft in 45 000 times This study focuses on the application of the Taguchi method to optimize the process of manufacture torsion bar springs affecting the fatigue life of key parameters, and get the best processing technology torsion bar to improve its fatigue life.