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san xiang yi bu dian dong ji chang jian gu zhang
Author(s): 
Pages: 15
Year: Issue:  3
Journal: Farm Machinery

Keyword:  走内圈三相异步电动机电动机转速轴器紧固件轴向窜动端盖接触不良止口电源电压;
Abstract: <正> 机械故障轴承电动机两端发热,振动增加,轴承走内圈或外圈,转子的轴向窜动量超过3毫米。这种故障主要发生在用联轴器传动的情况,如水泵、卷扬机和减速器等。风扇和端盖由于电动机工作时振动,紧固件松动,以及碰撞等而使风扇和端盖损坏。另外,由于拆装保养时,3个对称螺钉没有能同时拧紧而导致止口
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