In this paper, a driving axle housing of a car is taken as a model, and the driving axle housing is modeled based on the actual size in the Pro/E 3D modeling software and imported into the ANSYS Workbench finite element analysis software. In the ANSYS Workbench, the static analysis of the axle housing in four conditions and the modal analysis in the free state are carried out, and the corresponding deformation, stress cloud and the first six modes and frequencies are obtained. According to the analysis of the stress distribution position, deformation and vibration frequency of each condition, the appropriate suggestions for improving and optimizing the drive axle housing are put forward.%本文以某汽车的驱动桥桥壳为模型,在Pro/E三维建模软件中对驱动桥桥壳基于实际尺寸进行建模,并将其导入到ANSYS Workbench有限元法分析软件中.在ANSYS Workbench中对桥壳进行四种工况的静力学分析和自由状态下的模态分析,得到对应的变形、应力云图和前六阶振型及频率.根据各工况的应力分布位置、变形量和各阶振动频率的分析结果,对驱动桥桥壳提出相应的优化改进建议.
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