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电刷

一对碳刷

电刷(Brush)是电机的重要组成元件,负责在旋转部件与静止部件之间传导电流。因多用石墨制成,故又称碳刷

电刷多装配于换向器或滑环,是滑动型接触体[1]。需有光滑、耐磨、导电性良好等特性。根据不同的应用,除了一些只有部分是金属部件(铜、银、钼)、其他都是大部分或完全由金属制成。实际使用中,一个滑环通常配最少两个电刷,避免因单个电刷接触不良而变成断路

参考资料

[编辑]
  1. ^ 电刷的作用. 湘潭电机碳刷厂. [2010年11月15日]. (原始内容存档于2015年2月22日) (中文(简体)). 
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电刷
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