This grinding spindle came to us with the power leads cut off the stator. The incoming inspection showed contamination in both the front and rear bearings. When the customer cut the wires they were no longer able to connect the spindle as it is wound for high or low voltage. We were able to trace the leads and label them for easier installation. We assembled the spindle in our clean room with ABEC 7 bearings. After the completion of the assembly our technicians test ran the spindle at the top rated speed and trim balanced it. It was then put through our comprehensive final quality check and was approved for shipment.
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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…