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1·By using non-linear finite element theory, a non-linear finite element model for hydroforming for rear axle housing is established.

利用非线性有限元理论方法，建立了后桥壳液压胀形有限元模型。

2·According to the characteristic of hydroforming for rear axle housing, rigid-plastic material model is elected as tube blank material model process simulation analysis.

根据后桥壳液压胀形的特点，选择刚塑性材料模型进行模拟分析。

3·The differential is part of the rear-axle-housing assembly, which includes the differential, rear axles, wheels and bearing.

差速器是后桥壳总成的一个部件，后桥壳总成包括差速器、后桥、车轮和轴承。

4·The process of vacuum electron beam welding for rear-axle housing semiaxis of coach was introduced and the major problems in the process of welding was analysed.

介绍了用真空电子束焊接大型客车后桥壳半轴的工艺方法，并就焊接过程中存在的主要问题进行了分析。

5·The result of welding experiment and production practice show that the welded rear-axle housing have quality stability and high precision and fatigue strength.

通过试验和生产验证，所焊接的后桥壳体精度高、抗疲劳性能好、质量稳定。

6·The analysis of calculated results shows that overloading is the main reason for tho damage of rear axle, housing of the truck.

对计算结果的分析认为，超载是该车后轴壳损坏的原因。

7·With coil springs, the rear-suspension system requires some method of holding the axle housing in place.

螺旋弹簧后悬架系统固定于后桥壳上。