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
Jung Surface Grinder Spindle Repair
This Jung Surface Grinding spindle is grease lubricated, belt driven, and capable of running up to 3,200 rpm.
After breaking down this Jung Surface Grinder spindle to clean and inspect the overall dimensions, we determined that the cause of failure was from contamination of the front and rear bearings.
We also noted that the front housing was egged, had 7 microns of runout, and was tapered. No other dimensional deviations were noted for this repair.
The following actions were performed on this Okuma MC-V4020 spindle:
- Clean all parts of the spindle
- Replace bearings, o-rings, and assembly screws
- Grind, chrome plate, and finish grind the front housing
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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Downtime is inevitable for any machine, but knowing how to reduce downtime or minimize its likelihood is critical.Read More