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.
Read MoreSupertec SG-2A1224 Spindle Repair
This Supertec SG-2A1224 spindle is grease lubricated and coupling driven making it capable of running up to 5,000 RPM.
CHALLENGE
This Supertec SG-2A1224 spindle rotated freely when it arrived at Northland Tool, but the bearings felt worn when spun by hand. Once we completed a full breakdown and evaluation, we noted that coolant had gotten in and washed the grease out of the rear bearings. There was also heavy corrosion in the front of the spindle between the front nut labyrinth and front housing. No dimensional deviations were noted for this repair.
SOLUTION
The following actions were performed on this Supertec SG-2A1224 spindle:
- Clean, inspect overall dimensions
- Replace bearings, bolts, and o-rings
- Repair damage to the front housing nut spanner holes
RESULT
After reassembly of all components and adjusting bearing preload, we put the spindle through a rigorous break-in and testing procedure to make sure it passes our final quality inspection.
This spindle passed our final quality inspection and was returned to our customer with a 1-year warranty.
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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.
It’s a fact of machining — eventually, even top-of-the-line turning machines will experience a spindle failure. Spindles endure tension, torsion, heavy loads, and speeds up to and beyond 150,000 RPM, to name a few of the standard stressors.
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