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 MoreMori Seiki SH-630 Spindle Repair
The Mori Seiki SH-630 is a large CNC horizontal machining center. It is equipped with an oil mist lubricated and belt driven spindle capable of running up to 12,000 rpm.
CHALLENGE
Our customer sent in this Mori Seiki SH-630 spindle for repair. Once it arrived at our facility we completed a full breakdown and evaluation. Upon inspecting the spindle, we found that there was a catastrophic failure of the the #3 bearing. The tooling taper was in rough shape and will need to be ground. Lastly, the housing flange and front cover were damaged. No other dimensional deviations were noted for this repair.
SOLUTION
The following actions were performed on this Mori Seiki SH-630 spindle:
- Clean, inspect overall dimensions
- Replace bearings
- Kiss grind the taper
- Machine front cover damaged
- Machine housing flange
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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