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 TSSV110 Spindle Repair
The GMN TSSV110 is a high speed grinding spindle. It comes fitted with oil mist lubrication, stator drive, and is capable of running up to 42,000 rpm.
CHALLENGE
Our customer sent in this GMN TSSV110 spindle because it was giving them poor part finish. When it arrived at our facility, the first thing we noted was that the spindle exterior was covered with oil and the tooling pilot was packed with grinding swarf. Upon closer inspection, we found that the spindle appears to have been crashed. The tooling pilot had two cracks in the face, extending into the wrench flats. The front bearings failed and were contaminated with debris and lastly the pilot ID had unacceptable runout of >8µ. No other dimensional deviations were noted for this repair.
SOLUTION
The following actions were performed on this GMN TSSV110 spindle:
- Clean, inspect overall dimensions
- Manufacture and install new precision-ground spindle shaft
- Balance new shaft assembly on the Schenck balancer
- Replace bearings, o-rings, assembly screws
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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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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