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 MoreHyundai-Kia VX380TD Spindle Repair
The Hyundai-Kia VX380TD is a 3-axis CNC vertical machining center. It can come fitted with a grease lubricated and coupling driven spindle capable of running up to 12,000 rpm.
CHALLENGE
This Hyundai-Kia VX380TD spindle was seized when it arrived at Northland Tool and Electronics. There were signs of a crash prominent, as the front cover was damaged from what appears to be the drive dogs. The ID taper had high run out and poor tool contact. Both the front cover and the dust shield need to be fixed in machining due to cosmetic damage. Lastly, the gripper balls were worn and will need to be replaced. No other dimensional deviations were noted for the repair.
SOLUTION
The following actions were performed on this Hyundai-Kia VX380TD spindle:
- Clean, inspect overall dimensions
- Replace bolts, o-rings, gripper balls, bellevilles, and bearings (steel)
- Machine rub damage on front cover and dust shield
- Grind, chrome plate, and finish grind the ID taper
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.
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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