基于径向疲劳仿真的铝合金轮毂寿命分析  

Life Analysis of Aluminum Alloy Hub based on Radial Fatigue Simulation

作　　者：单萍 郑忠才[1] 高岩[2] 刘娜[1] 李达 Shan Ping;Zheng Zhongcai;Gao Yan;Liu Na;Li Da(School of Mechanical and Electrical Engineering,Shandong Jianzhu University,Jinan,Shandong,250101,China;Shandong Vocational College of Electronics)

机构地区：[1]山东建筑大学机电工程学院,山东济南250101 [2]山东电子职业技术学院

出　　处：《小型内燃机与车辆技术》2020年第1期49-53,共5页Small Internal Combustion Engine and Vehicle Technique

基　　金：山东省高校科技计划项目:J18KA006。

摘　　要：为了降低汽车的能源消耗和尾气排放,采用轻质材料铝合金作为轮毂的主要应用材料。为确保轮毂的安全性,对其进行径向疲劳寿命仿真试验分析,考虑胎压对轮毂的影响,在有限元分析中对轮胎与车轮接触部分的应力采用以余弦函数的方式进行施加,并选取3个特殊位置点进行应力分析,使径向载荷更加接近轮毂的现实工况,最后利用名义应力法预测出车轮的径向疲劳寿命。In order to reduce the energy consumption and exhaust emissions of automobiles,lightweight aluminum alloy is used as the main application material for the hub.In order to ensure the safety of the hub,the radial fatigue life simulation test analysis is carried out,and the influence of the tire pressure on the hub is considered.In the finite element analysis,the stress on the contact portion between the tire and the wheel is applied by a cosine function,and three special position points are selected for stress analysis to make the radial load closer to the actual working condition of the hub.Finally,the nominal fatigue method is used to predict the radial fatigue life of the wheel.

关 键 词：节能减排 径向疲劳 有限元分析 寿命分析 铝合金轮毂 

分 类 号：U463.343[机械工程—车辆工程]