The relationship between ball rolling speed and screw rotational speed is developed based on the compatibility condition of sliding velocity vectors.
根据接触点处的位置矢量和滑动速度矢量之间的协调条件，确定了滚珠与滚道之间接触点的位置。 根据滚珠稳定状态时角加速度等于零，求解出了滚珠滚动速度与丝杠轴转速之间的关系。
参考来源 - 大导程滚珠丝杠副动力学性能及加工方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity.
试验发现，摩擦系数随滑动速度的增加而增加，存在临界滑动速度。
However, the friction coefficient between Ni and APS increased with sliding velocity increasing and reduced with load increasing.
而镍与APS间的摩擦系数随滑动速度的增大而增大，随载荷的增大而减小。
The characteristics of loess interface landslide and loess-mudstone layer plane landslide are low sliding velocity, short sliding distance and low stability after sliding.
黄土接触面滑坡、土泥岩顺层滑坡的滑速低、滑距短，滑体具有稳定性差、活性强的特点。
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