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
Okamoto Spindle Repair
Our customer sent Northland Tool and Electronics this spindle because it started making noise while operating. Unfortunately this customer has had a history of poor life from their Okamoto spindles. Northland Tool modifies the front of the spindle to accept a seal that will help protect the front bearings from coolant contamination. We have found this modification dramatically increases the spindles lifespan.
This Okamoto spindle suffered a catastrophic bearing failure due to front bearing contamination. The #1 bearing feels particularly rough compared to the rest. No dimensional deviations were noted for this repair.
The following actions were performed on this Okamoto spindle:
- Modify front cover for contamination seal
- Clean, inspect overall dimensions
- Replace bearings, bolts, and o-rings
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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