The rear roller bearing failed in this spindle. The tooling taper had 9 microns of run out and needed to be reworked.
This machine was an intricate part of our customers production process and they could not have the machine down for to long. We worked with them to make sure we had the bearings needed for the repair in stock when the spindle arrived. We were able to rework the taper in our grinding department the day the spindle was approved. In fact the spindle was in our clean room being assembled before the end of the approval day. The next day the repair was completed, test run and passed our strict final QC by noon. The spindle shipped that day and our customer was up and running within two days of removing the spindle.
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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…