基于ABAQUS的轮轴配合的有限元分析

Research on Axle Assembly Based on Finite Element Software ABAQUS

本文基于ABAQUS对轮轴配合进行的有限元分析,分析了过盈量、摩擦系数、几何误差等对接触应力的影响。结果表明:轮轴压装后接触应力沿轴向分布的总体趋势为中间低,两端高,高应力区的位置出现在轴毂配合面边缘附近,并有明显的应力集中现象;过盈量是造成轮对压装合格与否的主要原因。

In this paper,the finite element analysis of wheel-axle fit based on ABAQUS wa carried out,and the effects of interference,friction coefficient and geometric error on contact stress were analyzed.The results show that the overall trend of contact stress distribution along the axis is low in the middle and high at both ends.The location of the high stress zone appears near the edge of the hub mating surface,and there is obvious stress concentration phenomenon.The interference is the main reason for the qualifications of the wheelset pressing.