Bridgeport VMC 760

Beware of the spindle rebuilder that is not qualified!!

This customer sent his spindle to be repaired to a repair house who frankly did not know what they were doing. This is a list of the damage they did to the spindle in their attempt to repair it:

Front bearings were installed wrong (backwards), rear roller not loaded, hydraulic nuts are made wrong and not functioning properly, shaft taper has 50 microns run out, front journal has 37 microns out, front and rear shoulder have 15 microns run out, tail of shaft has run out. Rear housing is over sized. dremmel cut in the hydraulic nut area of the shaft, rear bearing was spinning in the housing.

This made our job much more difficult but we were able to salvage the spindle and it currently runs as good as new!!!



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