Motor upper and lower guide bearing wear limit, to replace the bearings, rotor shaft eccentric wear limit, to replace bushings;
电机上下导轴承磨损极限，要更换轴承；转子上下轴套偏磨极限，要更换轴套；
In the last treatment, it was discovered that the problem was caused by loose rotor pole that led to augmented shaft swing and bigger clearance of lower guide bearing.
在最后的一次处理中找出机架振动大的根源就是转子磁极松动，导致大轴的摆度加大，下导间隙变大，从而引致机架振动不断增大。
A second guide seat is provided with a second guide channel and an upper guide surface as well as a lower guide surface.
第二导向座上设有第二导槽和上导引面和下导引面。
A second guide seat is provided with a second guide channel and an upper guide surface as well as a lower guide surface.
第二导向座上设有第二导槽和上导引面和下导引面。
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