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
OKK VM4 Spindle Repair
The OKK VM4 is a CNC vertical machining center. It comes fitted with a grease lubricated spindle that is capable of running up to 5,000 rpm.
This OKK VM4 spindle was sent in for a full breakdown and evaluation. After disassembling the spindle and measuring all critical suraces, we noted that the bearings were severely contaminated and the tooling taper had 10 microns of runout. 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 taper
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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More Case Studies
Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.
OKK HP-5005 Spindle Repair
This OKK HP-5005 spindle had an unknown cause of failure due to the fact that the spindle came in taken apart and missing the bearings. … [...]
OKK HM40 Spindle Repair
One of our long time customers had this spindle fail recently. They use the spindle to rough out parts and are only running it at… [...]
Downtime is inevitable for any machine, but knowing how to reduce downtime or minimize its likelihood is critical.Read More