Mazak VTC20B Spindle Repair

Possible cause of failure:

  • Bearing failure from contamination
  • Taper has runout
  • Bellevilles are worn

Repair action:

  • Clean, inspect overall dimensions
  • Replace bearings and bellevilles
  • Kiss grind taper
  • Adjust preload, balance, assemble and break in
  • Final quality control inspection


DETAILED CAUSE OF FAILURE

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Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.