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Question #: 14028

Question: Hello, I have a chinese 2.2KW spindle that is nearly new purchased with a CNC I bought while in china, I have noticed at lower RPM there is a distinct squeal. Does this indicate bad bearings?

Current Solution

The squeal you hear from your spindle running at low RPM is probably not associated with bad bearings (I guess it depends on the sound). All of our spindles running at low RPM has a distinct sound, probably caused by the coils and the magnets.


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