Boneham and Turner MGS952AM

3600 RPM
When we received this stator driven, grease lubrication 3600 rpm spindle it was contaminated with oil. The front seal wore allowing cutting oil into the spindle. The shaft taper was measured and we found 10 microns of run out. The spindle would need the bearings and seal replaced. We would have to kiss grind the shaft taper to bring it back to ISO specifications. The outgoing report from our rebuild technician shows that the spindle shipped with less than 1 micron of run out and at the maximum rpm the spindle vibration analysis was very good. This spindle shipped back to the customer two days after it was received in.

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