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
Gamfior E13833 Spindle Repair
The Gamfior E13833 spindle is oil mist lubricated and equipped with a built in spindle motor. It is capable of running up to 24,000 rpm and has a HSK tooling taper.
Our customer was having continuous failures on this type of spindle in their plant. The spindles were only lasting 2 to 3 months between repairs from the previous vendor. They sent us this Gamfior E13833 spindle to be broken down and evaluated to extend the life of their spindles. Upon inspection, we found a catastrophic failure of the #2 bearing. The bearing may have failed from a piece of debris from the casting when they installed or the oil supply line was contaminated. The #1 bearing was contaminated with debris from the #2 bearing failure. Lastly, the thermistor from the field is passing all tests, but the wire to the connector was disconnected. No dimensional deviations were noted for this repair.
The following actions were performed on this Gamfior E13833 spindle:
- Clean, inspect overall dimensions
- Replace bearings, o-rings, and assembly screws
- Replace thermistor wiring to connector
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. The attention to detail and quality of work at Northland Tool and Electronics helped our customer extend the life of these spindles exponentially.
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