This study utilizes the multibody program MEDYNA to explore the running stability of a two-axle bogie design through simulation.

项此研究利用了多体程序MEDYNA通过模拟探讨了两轴车厢的运行稳定性。

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The optimum parameters arc picked up which will ensure the single-axle bogie for better comprehensive performance including lateral stability, riding quality and negotiation.

首先，对初选的悬挂参数进行了分析，优选出使车辆的横向稳定性、平稳性及曲线通过综合性能较好的参数组合；

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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。

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