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
Mori 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.
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.
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
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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