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
Gilman Block Spindle Repair
This Gilman block spindle is grease lubricated and capable of running up to 5,000 rpm. We can improve the contamination prevention properties of Gilman spindles to help improve the lifespan of the spindle in your machine.
This Gilman block spindle arrived at Northland Tool and Electronics in pretty rough shape. The first thing we noted was that the pilot was pitted in the relief area but the contact area with the tooling was functional. Second we noted, the air purge was plumbed with hard tubing that was destroyed upon arrival. We can not duplicate the tubing because of this, but we can replace the metal tubing with plastic. Lastly, the bearings were noted as severely contaminated. No dimensional deviations were noted for this repair.
The following actions were performed on this Gilman Block spindle:
- Clean all parts of the spindle
- Replace bearings, o-rings, and assembly screws
- Replace seals and tubing made of plastic for air purge
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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Running this spindle too long caused deformed ball bearings and damage to the outer race Damage to the outer race is consistent with prolonged operation after spindle exhibited initial signs of needing to be rebuilt Every spindle rebuilt by North…Read More