装载机蹄式制动器的活塞，一直采用外表面电镀铬工艺，加工效率低，成本高。
The piston of shoe type brake in shovel loader is used to be chrome plated, which is poor in processing efficiency and expansive in cost.
对领从蹄式鼓式制动器制动力矩的效能因数法几种常用的计算公式进行了分析及计算验证。
In this paper, the formulae for calculating braking torque of leading shoe and trailing shoe brake are analyzed.
车轮上有两种不同的制动机构：蹄一鼓式制动器和盘式制动器。
There are two different types of Brake mechanisms at the wheels, the drum-and-shoe type, and the disk type.
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