• Aim To realize optimized construction and volume of rail wheel and axle in complex loads with finite element analysis.

    目的通过对火车轮轴复杂载荷作用下的有限元分析,实现火车轮轴结构体积优化

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  • Optimized design of rail wheel and axle is finished. Conclusion This result satisfies our national railway standard. The maximum stress is less than the yield stress.

    结论实现火车轮轴优化设计,优化后轮轴最大应力小于屈服应力,满足我国铁路标准要求。

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  • The bond graph models of wheel-rail creep forces, of free wheel set, and of two-axle vehicle are developed with associated numerical calculations.

    文中建立轮轨蠕滑力、自由两轴模型,并给出了部分数值计算的结果。

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  • The results show that both of the wear rates of wheel and rail materials rise linearly with the increase of axle-load, and the wear rate of rail specimen is larger than wheel.

    结果表明轮轨试样磨损均随轴重增加呈现线性增加趋势,且钢轨试样磨损大于车轮试样磨损率。

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  • The results show that both of the wear rates of wheel and rail materials rise linearly with the increase of axle-load, and the wear rate of rail specimen is larger than wheel.

    结果表明轮轨试样磨损均随轴重增加呈现线性增加趋势,且钢轨试样磨损大于车轮试样磨损率。

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