Analysises and summarizes the design method of leaf spring,finally builds up the leaf spring parametrization design system by the second-development to CATIA with Visual Basic6.0.

• 分析总结了叶片弹簧的设计方法，最后利用VB语言对CATIA进行二次开发，建立了具有可视化界面的叶片弹簧参数化设计系统。