This spindle had coolant contamination to the front bearings that washed the grease lubrication from the raceways. We reviewed the machining process with our customer and working together we determined the best plan of action to increase their spindle life.
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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…