Analysis of Three-Dimensional Nonlinear Finite Element Contact Simulation of Spiral Springs Based on ANSYS
Spiral spring,as one of the important elastic components in vehicle suspension,directly affects the quality of vehicle operation.To study the influence of geometric parameters of spiral springs on spring stiffness,a finite element model was established by using ANSYS's APDL language parameterization for calculation.The results were compared and analyzed with the theoretical formula of spring stiffness based on whether the contact problem between the support ring and the working ring was considered.The rationality of the three-dimensional nonlinear contact finite element spiral spring model was verified,and the influence of cone angle on spring stiffness was fur-ther analyzed.Three different conical angle spiral spring models with 0 °,5 °,and 10 ° by changing parameters was quickly established,the load displacement curves of each model was calculated,and then the influence laws of spring stiffness,Mises stress,contact stress,etc were analyzed.This article suggests setting the taper of the conical spiral spring within 5°,which can not only increase the ultimate load,but also reduce contact stress,reduce mate-rial fatigue failure,and thus improve its service life.It provides a reference basis for the design of conical spiral springs.
spiral springspring stiffnesscone anglenonlinear model
万方数据
维普
