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
Tsugami Workhead Spindle Repair
This Tsugami spindle is out of a CNC turning center and is specifically the workhead spindle. The workhead spindle is grease lubricated and capable of running up to 4,000 rpm.
This Tsugami Workhead spindle was sent in for a complete spindle repair. First, we completed a full breakdown of the spindle and evaluated all parts to determine the scope of work required. After a close inspection, we noted that the rear roller bearing showed signs of excessive heat and was contaminated. The actuator bearings were also slightly contaminated. No dimensional deviations were noted for this repair.
The following actions were performed on this Tsugami Workhead spindle:
- Clean, inspect overall dimensions.
- Replace bearings, o-rings, and assembly screws
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