双离合器自动变速器膜片杠杆弹簧载荷-变形特性的有限元分析  

Finite Element Analysis on the Diaphragm Spring’s Load-Deformation Characteristic of DCT

作　　者：吴天[1] 鲁统利[1] 吴明翔[1] 

机构地区：[1]上海交通大学

出　　处：《汽车技术》2008年第5期11-13,共3页Automobile Technology

基　　金：国家自然科学基金项目资助(60674094);国家高技术研究发展(863)项目资助(2006AA110110)

摘　　要：介绍了双离合器自动变速器膜片杠杆弹簧的工作原理,建立了膜片杠杆弹簧力学模型,并利用ANSYS有限元软件对膜片杠杆弹簧进行了非线性有限元分析,所得到的载荷-变形特性曲线与经验公式法计算曲线对比可知,有限元法计算精度更高。分析了分离指及其形状对膜片杠杆弹簧载荷-变形特性的影响。The operating principle of DCT diaphragm springs was introduced in this paper,and the mechanic model of diaphragm springs was established,the nonlinear FEM was performed by using software ANSYS,and the comparison between the load-deformation characteristic curve and the curve calculated with experiential formula curves showed that the calculation precision of FEM was higher.Finally,the influence of the separating finger and its shape on characteristic curves of diaphragm springs was analyzed.

关 键 词：双离合器自动变速器 膜片杠杆弹簧 载荷-变形特性 

分 类 号：U463.212[机械工程—车辆工程]