Hardinge SV150 Spindle is loud and has poor part finish



CHALLENGE

Possible cause of failure: Customer indicated that the spindle was noisy in operation. Bearings failed from contamination (likely coolant.) Bearings still contained grease but it was degraded. Encoder ring has several damaged teeth and the mounting bolts were missing.  

SOLUTION

Recommended action: Clean, inspect overall dimensions. Replace bearings, encoder ring & mounting bolts, o-rings & screws Adjust preload, balance, assemble and break in. Final quality control inspection

DETAILED CAUSE OF FAILURE

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