The Bridgeport Torq-Cut 22 is a smaller CNC vertical machining center. It comes fitted with a grease lubricated and belt driven spindle capable of running up to 7,500 rpm.
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GMN TX80CX142 Spindle Repair
Affectionately known at Northland Tool as a dumbbell spindle , this spindle is not for a dumbbell to put together. The tooling interface is a critical portion of the repair and can only be done correctly with the proper equipment and gauging. We incorporate our grinding department into GMN spindle repairs to insure proper face and taper contact. We are one of the few spindle rebuild companies with this ability.
CHALLENGE
When this GMN TX80CX142 spindle arrived at our facility we completely disassembled and evaluated the spindle. Upon inspection, we noted that the front nut was loose causing runout, the front and rear housings were egged, and the shaft tapers were out of ISO.
SOLUTION
The following actions were performed on this GMN TX80CX142 spindle:
- Clean, inspect overall dimensions
- Replace bearings, o-rings, and assembly screws
- Grind, chrome plate, and finish grind the front and rear housings
- Kiss grind shaft tapers
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.
DETAILED CAUSE OF FAILURE
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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.
The success of any precision machinery relies heavily on various intricate components working seamlessly in unison.
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