When selecting brake shoe, the dynamic friction coefficient must fulfill the request of both brake capability and stability.
选择鼓式制动器摩擦片时，动摩擦系数的选择既要满足制动性能，同时也要满足稳定性。
The composite brake shoe of cast iron is developed to improve the running speed on existing line. The ceramic particles are used in the brake shoe to improve the friction coefficient.
为提高既有线的运行速度，开发了铸铁合成闸瓦，该闸瓦利用陶瓷粒子来提高摩擦系数。
This article also introduces the on-line monitor of the friction coefficient of the brake shoe.
文章还介绍了闸瓦摩擦系数的在线监测。
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