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    A Study on the Starting Process of Plane Contact Pair
    平面接触副起动过程的研究
    Effect of Electric Currents on Static Adhesion for Cu /Al Contact under Ultrahigh Vacuum Condition
    超高真空下电流对铜/铝接触副静态粘着的影响
    Finite element model is set up according the geometric shape, contact condition, and boundary condition.
    3、根据微动接触副的几何结构和接触状态,建立了微动疲劳损伤的有限元模型,并采用该模型进行了有限元计算分析。
    Analysis of Lubricating Effects on the Cylinder Roller Loaded Surface
    圆柱线接触副(非修形)表面润滑效应分析
    With this finite element model, the exact contact stress during the fretting fatigue procedure can be got by calculation, which greatly simplified the research work, and the effect of varied friction coefficient can be easily recognized instead of experiment.
    该微动疲劳损伤有限元计算模型实现了对微动疲劳损伤的数值化分析,从而简化了研究过程。 该模型对于准确确定微动过程中微动接触副接触表面及其附近(以及构件整体)的应力变化过程具有重要作用。
    1. The vibration of ball bearings is caused by the tribology action of contact pairs of ball and ring races and has the essential of tribo-dynamics. Any factors affecting the tribology characteristics of contact pairs will affect vibration and noise of bearings consequently.
    1)球轴承振动是钢球—滚道接触副中的各种摩擦学作用引起的,具有摩擦动力学的本质,任何对接触副的摩擦学特性有影响的因素都将对球轴承的振动和噪声特性产生影响;
    By means of introducing a structural damping and an oil film stiffness in Hertzian contact area, a contact mechanics model of the contact pair between roller and ring race is proposed comprehensively.
    本文通过引入Hertz 接触区的结构阻尼和油膜刚度,较全面地建立了滚子-滚道接触副的接触力学模型,通过虚滚子的假设提出了圆柱滚子轴承的动态负荷模型。
    Moreover, the similarity of the pressure and temperature distribution is investigated to discover the influence of the crowning design on the temperature distribution.
    使用Eyring非牛顿流体有利于改善此类接触副的承载能力和润滑状况,但Eyring非牛顿效应对这种滚子的凸度设计没有明显影响。
    Through analyzing a simple belt conveyor virtual prototyping model, it is proven that the belt conveyor virtual prototyping model based on the contact force mode is the reasonable and the feasible and the more dynamic parameter could be obtained than the current method.
    通过对简化的带式输送机系统实体虚拟样机仿真分析,说明利用接触副建立的系统模型是可行的和合理的,并且可以比现有的方法得到更全面的带式输送机动态参数。
 

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