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
Hurco VMX 42 Spindle Repair
A long time customer of Northland tool called us to look at two Hurco spindles to see if we could make one good out of them. After evaluation of both spindles we determined that we could use the housing from one and the rest of the parts from the other. With a little machining and grinding we were able to restore this spindle to OEM specifications for less than a third of the cost of replacement.
When this Hurco VMX 42 spindle arrived at Northland Tool and Electronics we performed a full breakdown and evaluation. Upon inspection, we found the rear shaft nut that preloads the bearings was hand tight. The bearings had failed from coolant contamination, mostly in the #1 and #2 bearings. Lastly, the grippers were very worn and would need to be replaced. No critical dimensional deviations were noted for this repair.
The following actions were performed on this Hurco VMX 42 spindle:
- Clean, inspect overall dimensions
- Replace bearings, bellevilles, seals and grippers
After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.
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In this helpful guide to spindle bearing preload, Northland Tool & Electronics will answer all the basic questions about your spindle bearing preload calculations.Read More