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 MoreKitamura Mycenter 0 Spindle Repair
The Kitamura Mycenter 0 is a compact CNC vertical machining center. It comes standard with a grease lubricated and belt driven spindle capable of running up to 8,000 rpm.
CHALLENGE
This Kitamura Mycenter 0 spindle was pulled by our customer because it started “growling” when it was run. Upon breakdown and evaluation, we first noted that the spindle bearings were noisy when spun by hand. Deeper into the inspection, we found that the #1 front bearing was bad, but the grease looks clean in #2 bearing. The critcal dimensions (bearing journals, housing, taper, etc.) were measured and we noted that the taper was worn. No other dimensional deviations were noted.
SOLUTION
The following actions were performed on this Kitamura Mycenter 0 spindle:
- Clean, inspect overall dimensions
- Replace bearings, bellevilles, and orings
- Kiss grind the taper
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.
DETAILED CAUSE OF FAILURE
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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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