The Bridgeport Torq-Cut 22 is a smaller CNC vertical machining center. It comes fitted with a grease lubricated and belt driven spindle capable of running up to 7,500 rpm.
Read MoreOkamoto 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.
CHALLENGE
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.
SOLUTION
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
RESULT
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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More Case Studies
Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.
It’s a fact of machining — eventually, even top-of-the-line turning machines will experience a spindle failure. Spindles endure tension, torsion, heavy loads, and speeds up to and beyond 150,000 RPM, to name a few of the standard stressors.
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