Most researches have indicated that wheel-rail wear is resulting from comprehensive function of multiple factors, and the heavy haul freight car bogie plays a very important role.
研究表明,轮轨磨损是多种因素综合作用的结果,而重载货车转向架性能对轮轨的磨损起着重要的作用。
参考来源 - 重载货车轮轨磨耗研究·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了重载车辆的特点、国外概况、国内现状及我国重载货车的改进研究。
The characteristics, general conditions abroad, present state at home and the improvement research of heavy haul cars in our country are described.
但是这些连接方法由于自身的缺点和局限性，不能满足重载货车的要求，因此需要采用新型的连接方式。
But these joined methods can not satisfy the requirement of the heavy load wagon because of the shortcoming and self limit, therefore needs adopt the new way of joining.
基于非线性有限元软件MARC，对重载货车中大量使用的BOM连接器力学行为进行了数值仿真研究。
Based on nonlinear FE software MARC, numerical simulation of BOM fastener mechanics in heavy load wagon is studied. The key technology in constructing the finite element model is discussed.
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