Okuma B-300-Multus Spindle Repair

Okuma B-300-Multus Spindle Rebuild

Possible cause of failure:
Customer indicated that the spindle was crashed, but not while it was turning.
Customer measured shaft pilot runout at .0005” in assembly.
Shaft pilot runout measured after spindle disassembly is only 0-1µ.
No drawbar assembly was supplied incoming. Capto insert appears to have some tooling wear.

Recommended action:
Clean, inspect overall dimensions.
Replace all bearings and o-rings.
Adjust preload, balance, assemble and break in. Final quality control inspection.

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