Aim To realize optimized construction and volume of railwheel and axle in complex loads with finite element analysis.
目的通过对火车轮轴在复杂载荷作用下的有限元分析，实现火车轮轴结构与体积的优化。
2
Optimized design of railwheel and axle is finished. Conclusion This result satisfies our national railway standard. The maximum stress is less than the yield stress.
结论实现火车轮轴的优化设计，优化后轮轴的最大应力均小于屈服应力，满足我国铁路的标准要求。
3
When the increasing of the speed and loading of the freight train, the heat load of the wheel will certainly increase, the life of the railwheel may be influenced terribly.