Studer S20 Workhead
This Studer S20 workhead arrived here seized. The shaft had scored the oil bearing and friction welded themselves together. We were able to grind plate grind the shaft and remanufacture the bearings to complete the repair. After the parts work was complete the spindle was assembled and the bearing clearance was adjusted. We test ran the spindle on our test stand and shipped the spindle with less than .00005″ of run out. We were able to repair this spindle for much less than the replacement cost quoted by the machine OEM.
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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…