Abstract: the widening of gauge and the overturning of rail will effect the contact point and dynamic forces between wheel and rail.
文摘：轨距扩大和钢轨侧翻将影响到轮轨接触点位置和动力作用。
As the core parts for high speed spindle, the dynamic properties of Angle contact ball bearing has important effect on cutting performance and machining precision of whole machine.
角接触球轴承作为高速主轴的核心部件，其动力学特性对整机的切削性能和加工精度有重要的影响。
The widening of gauge and the overturning of rail will effect the contact point and dynamic forces between wheel and rail.
轨距扩大和钢轨侧翻将影响到轮轨接触点位置和动力作用。
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