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
Voumard VMX-65 Spindle Repair
This Voumard VMX-65 spindle is oil lubricated and stator driven, making it capable of running over 60,000 RPM.
This Voumard VMX-65 spindle rotated freely when it arrived at Northland Tool, but the bearings felt worn when spun by hand. The field failed our incoming testing, but once the spindle was taken apart and the power cord removed it passed. After a full dimensional evaluation, we noted that the rear bearing shoulder had high run out. There were no other dimensional deviations to record for this repair.
The following actions were performed on this Voumard VMX-65 spindle:
- Clean, inspect overall dimensions
- Replace bearings, bolts, o-rings, and power cord
- Kiss grind rear bearing shoulder
After reassembly of all components and adjusting bearing preload, we put the spindle through a rigorous break-in and testing procedure to make sure it passes our final quality inspection. See below for the passing test reports:
Front Bearings Vibration Analysis Spectrum: Rear Bearings Vibration Analysis Spectrum:
Motor Analyzer Summary:
This spindle passed our final quality inspection and was returned to our customer with a 1-year warranty.
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