摘要
以某型汽车方向盘设计要求为基础,完成三维模型设计及有限元分析模型。按照方向盘实际工况,利用计算机CAE技术,采取随机有限元疲劳分析法对其疲劳强度进行分析。分析结果表明:(1)在方向盘垂直面内,幅值为350N~-150N、频率为1Hz、循环次数4×10^(6)次的交变载荷下,最大疲劳应力值为70.68MPa;(2)在方向盘水平面内,幅值范围为±200N、频率为1Hz,循环次数为4×10^(6)次的交变载荷下,最大疲劳应力值为52.66Mpa。以上分析结果均小于方向盘骨架材料镁合金AM50A的疲劳极限强度81.36MPa,设计符合要求。
A 3D model design and finite element analysis model are completed with regard to the design requirements of a certain type of automobile steering wheel.According to the actual working condition of the steering wheel,the fatigue strength of the steering wheel is analyzed by using the fatigue analysis method of the random finite element.The results show that:(1)in the vertical plane of the steering wheel,the maximum fatigue stress is 70.67MPa under the alternating load of 350N~-150N,frequency of 1Hz and cycles of 4×10^(6) times;(2)in the horizontal plane of steering wheel,the maximum fatigue stress value is 52.66Mpa under the alternating load with amplitude range of±200N,frequency of 1Hz and cycle times of 4×10^(6).The above analysis results are less than the permissible Stress 81.36Mpa of material AM50A for the steering wheel frame,which implies that the design with respect to selected steering wheel meets the requirements.
作者
于鹏
王清清
高涛
Yu Peng;Wang Qingqing;Gao Tao(Anhui Institute of Information Technology,Wuhu,Anhui 241000,China)
出处
《黑龙江工业学院学报（综合版）》
2021年第1期78-82,共5页
Journal of Heilongjiang University of Technology(Comprehensive Edition)
基金
2019年度安徽高校自然科学重点研究项目“基于模糊控制算法的码垛机械臂运动位置检测试验研发”(项目编号:KJ2019A1294)。
关键词
方向盘
疲劳强度
有限元分析
CAE技术
steering wheel
fatigue strength
finite element analysis
CAE technology
