Niigata SPN50 Spindle Repair

Niigata SPN50 Spindle Rebuild

Possible cause of failure:

  • Spindle was crashed
  • Drawbar, grippers and collet are worn
  • Hydraulic nut is damaged and needs to be replaced
  • Taper is out of ISO

Repair action:

  • Clean, inspect overall dimensions
  • Replace bearings and bellevilles
  • Replace drawbar, grippers and collet
  • Manufacture new hydraulic nut
  • Kiss grind shaft 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.