Mori Seiki NL 3000 LC Spindle Taper Run Out Repaired


Our customer reported to us they were sending in a tailstock from a Mori Seiki NL-3000. They had galled the taper and needed it fixed before further damage was done. Our incoming analysis showed the taper was worn and pitted.


Recommended action: Clean, inspect overall dimensions. Grind, plate & regrind #4 Morse taper, kiss grind taper, front & rear shaft shoulders. Replace bearings, o-rings, lock nut, lock washer & screws. Adjust preload, balance, assemble and break in. Final quality control inspection.

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