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 DIS E12371 Spindle Repair
The Gamfior DIS E12371 grinding spindle is stator driven and oil mist lubricated. This makes it capable of reaching speeds up to 120,000 rpm!
This Gamfior DIS E12371 spindle was crashed during operation. This crash destroyed the front nut and the bearings. We then measure the critical dimensions (Bearing journals, housing, taper, etc.) and found that the pilot and face had significant run out.
The following actions were performed on this Gamfior DIS E12371 spindle:
- Clean all parts of the spindle
- Replace all bearings, o-rings, and assembly screws
- Manufacture a new front nut in our machining department
- Grind, plate, and finish grind the pilot
- Kiss grind the face
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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In this helpful guide to spindle bearing preload, Northland Tool & Electronics will answer all the basic questions about your spindle bearing preload calculations.Read More