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 MoreMighty Viper 1600A Spindle Repair
The Mighty Viper 1600A is a large CNC vertical machining center. It comes standard with a grease lubricated and belt driven spindle that is capable of running up to 6,000 rpm.
CHALLENGE
This Mighty Viper 1600A spindle was received already disassembled. Upon inspection, we noted that there was damage to the sensor ring that occurred during breakdown. The damage was not severe. It was also noted, that there were broken bellevilles in the drawbar, the unit would not actuate correctly for incoming testing. The drawbar also had scoring marks from the broken bellevilles. The grippers and gripper post were worn and will need to be replaced. Lastly, the spindle was missing the rear key stock for the sensor ring. There were no other dimensional deviations to note for this repair.
SOLUTION
The following actions were performed on this Mighty Viper 1600A spindle:
- Clean, inspect overall dimensions
- Replace bolts, bearings, o-rings, grippers, gripper post, belevilles, and drawbar
- Manufacture a rear key stock
- Replace cork front seal
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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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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