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
Okuma Cadet V4020 Spindle Repair
Upon initial inspection, this Okuma Cadet V4020 spindle’s bearings were very noisy when rotated by hand. After disassembly, our technician discovered that the front and rear lnpro seal bearing isolators had failed, and the rear bearing pair was heavily contaminated. Grease had almost completely washed out of the front bearing tri-set. The tooling taper ID measured with high runout. We also found that the gripper fingers exhibited severe wear on retention surfaces.
All original parts were thoroughly cleaned before reassembly of the repaired Okuma Cadet V4020 spindle. This straightforward repair required replacement of all bearings, belleville washers, grippers, Inpro seals, o-rings, and assembly screws. We performed a kiss grind to the tooling taper ID to address runout.
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