Matsuura R.Plus-800 Spindle Repair

Matsuura R.Plus-800 Spindle Repair

The Matsuura R.Plus-800 is a CNC vertical machining center.  It comes equipped with a grease lubricated and belt driven spindle capable of running up to 12,000 rpm.



This Matsuura R.Plus-800 was sent in for a breakdown and evaluation.  Upon inspection, we noted that it suffered a catastrophic rear roller bearing failure.  The shaft taper also had 5 microns of runout and will need to be addressed.  No other dimensional deviations were noted for this repair.



The following actions were performed on this Matsuura R.Plus-800 spindle:

  • Clean, inspect overall dimensions
  • Replace bearings, o-rings, and assembly screws
  • Kiss grind the shaft 40 taper



After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.

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