Mori Seiki MH-630 spindle repair

6,000 RPM

This spindle came in with the coupling for the drive motor attached to the rear of the shaft. Our incoming evaluation found the mating surfaces of these two parts was fretted and out of specification. This was causing vibration in the spindle resulting in poor part finish. This is one of the reasons we request you send as many of the rotating parts of the spindle that is reasonable. If we had not received the coupling and addressed the wear, the lifespan of the repair would have been reduced from the strain of the vibration and wear.

We ground plate ground the spindle shaft and the spindle drive coupling as a matched set. We replaced the bearings, adjusted preload, balanced, assembled and broke in the spindle before sending it through our vigorous QC process.



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