Matsuura MC-800VG Spindle Repair

Matsuura MC-800VG Spindle Rebuild

This spindle was shipped to us by a customer in Latvia. It’s not uncommon for us to receive spindles from outside the United States but this is our first Latvia repair.

Possible cause of failure:

Incoming spindle does not spin freely, #1 bearing has failed.
Spindle was previously taken apart by customer and re-assembled.
Taper is Big Plus and showing signs of wear.
Gripper fingers are worn.
Shaft threads are slightly damaged.

Recommended action:

Clean, inspect overall dimensions.
Replace bearings, orings, crush rings and screws.
Grind, chrome plate and finish grind the Big Plus taper.
Repair shaft threads.
Adjust preload, balance, assemble and break in. Final quality control inspection.


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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.