Northland Tool replaced the sensor, kiss ground the taper , reworked the drawbar and rebuilt the spindle. During the installation process we stayed in close contact with the installation personnel to make sure everything went smoothly.
The main cause of failure for this spindle was rear bearing failure. When the rear bearing failed the encoder sensor was damaged. The 40 taper had run out and needed a kiss grind. The drawbar was worn where the belleville washers sit and needed to be reconditioned to insure proper drawbar actuation.
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Catastrophic bearing failure was the main cause of this spindle malfunction
Continue reading to learn how Northland Tool performed this repair and converted a Weiss GHK 176239 spindle from grease-injected to permanent grease lubrication…