The rotor shall have an interference fit to the shaft and the rotating assembly shall be dynamically balanced to ISO 1940, G. 6.3.
定子应该通过压配合与轴结合在一起，旋转总装动态平衡应该符合ISO 1940， G.6.3标准。
In this, can use repair drive shaft and bushing method to recover its normal fit clearance.
遇此，可采用修主动轴或衬套的方法恢复其正常的配合间隙。
If the drive shaft wear mild, just press the old bush changed after standard size bushing, fit clearance can be restored to allow range.
若主动轴磨损轻微，只需压出旧衬套后换上标准尺寸的衬套，配合间隙便可恢复到允许范围。
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