预应力张拉施工中夹片、钢绞线和锚环之间存在着很大的摩擦阻力。
There is much prestressing loss for friction resistance among wedge, steel strand and anchor-ring in engineering.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
结果表明：随着锥角和摩擦系数在一定范围内增大，锚环的应力会逐渐减小；
The results show that with the increase of the cone angles and the coefficients of friction in the certain range, the stress of the anchor ring can gradually decrease.
该方法考虑了闭气环与衬套之间的摩擦力，比常规方法更接近实际；
Taking into account the friction force between obturator ring and liner, this approach is closer to the real condition than the conventional one.
结果表明：在环-块滑动摩擦实验中，随时间延长，试样摩擦系数均趋向平稳，质量磨损量均增长。
The result shows that in the ring-block sliding wear test, with time prolonging, the friction coefficient of all samples becomes more and more stable, and the mass wear loss increases.
分析了动环密封圈轴向摩擦力与密封开启失效的必然联系。
The inevitable relation between axial friction force of movable sealing ring and sealing ope...
作者结合发动机试验台，设计了一套对活塞环-缸套动态摩擦力进行采集的装置。
Based on the bench test, a system is developed for measuring the variation of the friction between piston ring and cylinder liner.
作者结合发动机试验台，设计了一套对活塞环-缸套动态摩擦力进行采集的装置。
Based on the bench test, a system is developed for measuring the variation of the friction between piston ring and cylinder liner.
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