短路环上的触电与电机配件上的刀片均匀接触，电刷与环接触应紧密。各刷间的压力差不应逾越其平均值的20%有举刷装置的绕线转子异步电动机。接触面积达60%以上，防止造成转子单相运转或触头过热失去弹性。对于电机配件面轻微烧痕、麻点、刷痕等缺陷，可用油石、细锉打磨，**后用零零号砂布打光。一般情况下，不应轻易车削电机配件，因车削一次便会降低很多寿命.

电(dian)机(ji)(ji)(ji)配件的分(fen)类(lei)(lei)大(da)概可以依照(zhao)电(dian)机(ji)(ji)(ji)的组(zu)(zu)成(cheng)局部(bu)来分(fen)类(lei)(lei)，大(da)概可以分(fen)为电(dian)机(ji)(ji)(ji)定(ding)(ding)(ding)子(zi)，电(dian)机(ji)(ji)(ji)转(zhuan)子(zi)，定(ding)(ding)(ding)子(zi)绕(rao)组(zu)(zu)，电(dian)机(ji)(ji)(ji)外(wai)壳(qiao)，端盖，电(dian)机(ji)(ji)(ji)风叶(ye)，轴承等(deng)部(bu)分(fen)组(zu)(zu)成(cheng)。电(dian)机(ji)(ji)(ji)定(ding)(ding)(ding)子(zi)是(shi)发(fa)电(dian)机(ji)(ji)(ji)和起动(dong)机(ji)(ji)(ji)等(deng)电(dian)机(ji)(ji)(ji)的重(zhong)要(yao)(yao)组(zu)(zu)成(cheng)局部(bu)。定(ding)(ding)(ding)子(zi)是(shi)电(dian)动(dong)机(ji)(ji)(ji)重(zhong)要(yao)(yao)的局部(bu)。定(ding)(ding)(ding)子(zi)由定(ding)(ding)(ding)子(zi)铁(tie)芯、定(ding)(ding)(ding)子(zi)绕(rao)组(zu)(zu)和机(ji)(ji)(ji)座三部(bu)分(fen)组(zu)(zu)成(cheng)。定(ding)(ding)(ding)子(zi)的主要(yao)(yao)作(zuo)用(yong)是(shi)发(fa)生(sheng)旋转(zhuan)磁(ci)(ci)场，而(er)转(zhuan)子(zi)的主要(yao)(yao)作(zuo)用(yong)是(shi)旋转(zhuan)磁(ci)(ci)场中被磁(ci)(ci)力线切割(ge)进而(er)发(fa)生(sheng)（输出）电(dian)流。