Siga Spindle Repair



CHALLENGE

Cause of failure: Double-direction thrust bearing cage had failed & broken, contaminating the two roller bearings. Shaft pilot oversized (tapered) +6/+10µ. Shaft pulley journal OD undersized -16/-73µ. *Similar wear could be expected on the pulley ID.

SOLUTION

Course of action: Clean, inspect overall dimensions. Grind, plate & finish grind: shaft pilot & shaft pulley journal. Replace bearings, o-rings & screws. Adjust preload, balance, assemble and break in. Final quality control inspection.

DETAILED CAUSE OF FAILURE

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More Case Studies

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.