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 MoreAnca TGX 7 Spindle Repair
The Anca TGX-7 is a CNC cutting tool grinder. This is a direct drive work head spindle with a 24 HP motor capable of operating up to 8,000 rpm.
CHALLENGE
Upon inspection of this Anca TGX-7 spindle, the #1 front bearing was noisy and showed significant wear due to fatigue from crashing. The Inpro seal and Bellevilles also showed signs of wear. Most of the time the Rotary union is a consumable part and should be replaced. Gripper fingers did not exhibit signs of excessive wear. We also check every spindle for any electrical issues. On this spindle one field lead had resistance to ground when moved and will need to be addressed.
SOLUTION
The following actions were performed on this Anca TGX-7 spindle:
- Clean, inspect overall dimensions
- Replace bearings, drawbar seals, Bellevilles, rotary union, inpro seal, rear shaft nut
- Adjust all spacers as needed
- Rewind stator field
RESULT
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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