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直流电机维修换向器修理后检查方法

来源:子昂电机维修 日期:2020-04-24 11:22:14

直流电机维修换向器修理后检查方法

直流电机维修换向器修理后检查方法:

1、用小铁锤(chui)轻敲换(huan)向片,依据(ju)发(fa)出(chu)(chu)的声(sheng)(sheng)音来判断安装是否牢(lao)固。若发(fa)出(chu)(chu)较清(qing)脆的声(sheng)(sheng)音,表(biao)明(ming)换(huan)向器(qi)装配牢(lao)固;如果发(fa)出(chu)(chu)空(kong)壳声(sheng)(sheng),则表(biao)明(ming)换(huan)向器(qi)松弛,要(yao)重新装配。

2、检查换向(xiang)(xiang)(xiang)片的轴向(xiang)(xiang)(xiang)平行度(du),使换向(xiang)(xiang)(xiang)片沿轴线的偏斜度(du)不超过片间云母片的厚度(du),否则(ze)会造成换向(xiang)(xiang)(xiang)不良。

3、做对(dui)地耐压试验(yan),试验(yan)电压通常为(wei)两(liang)倍的额定电压加1000V,持续(xu)时间为(wei)1min。

4、用(yong)220V检(jian)(jian)验(yan)灯逐(zhu)片检(jian)(jian)查片间是否短(duan)路,若有(you)短(duan)路应加以排除。

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