但在有关凸轮的教科书中，对接触应力的计算过程论述较少。
But in the textbook about CAM, the contact stress calculating process is seldom discussed.
主要讨论了影响自动扶梯主轮受力的因素及主轮应力的计算。
This article mainly discusses the force factors affecting on the escalator driver and its stress calculation.
并把此条件下得到的力学特性参数用于冰温度膨胀应力的计算。
Also the ice mechanics parameters obtained under such conditions are employed to calculate ice thermal expansion stress.
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