Hurco VM1 Spindle Feels Rough When Rotated



CHALLENGE

Cause of failure: #1 front bearing failed from coolant contamination, does not feel smooth when rotated. Gripper fingers have significant wear. Shaft taper runout, gaugeline & tool contact are all good.  

SOLUTION

Action Taken: Clean, inspect overall dimensions. Replace bearings, gripper fingers, Bellevilles, o-rings & screws. Adjust preload, balance, assemble and break in. Final quality control inspection.

DETAILED CAUSE OF FAILURE

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