Hardinge VMC 600

Possible cause of failure:

Front bearing failure from coolant contamination. Coolant washed out the bearing grease.
Taper has wear marks.
Drawbar force is low, 1340lbs (minimum is 1888 lbs.)
O-rings are worn.Repair action taken:
Clean, inspect overall dimensions.
Replace bearings.
Grind, chrome plate and finish grind the taper.
Replace Belleville washers.
Replace O-rings.
Adjust preload, balance, assemble and break in. Final quality control inspection.

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