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……Read More
Pope P922 AA Spindle Repair
The front bearing set in this spindle is obsolete. We modified the spindle shaft and housing to use standard angular contact bearings. This makes the spindle useful for many years to come.
The front roller bearing in this Pope P922 AA is an old design Pope special, and quality exact replacement bearings are unavailable. Upon inspection of the spindle we noted that the spanner holes and threads were damaged on the nut. The stator was showing signs of overheating issues. Lastly, the tapers had 3 to 6 microns of run out.
The following actions were performed on this Pope P922 AA spindle:
- Clean, inspect overall dimensions
- Change front bearing set
- Manufacture a new sleeve for the bearing conversion
- Manufacture a new nut
- Rewind stator
- Kiss grind the tapers
After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.
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