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 MoreWestwind D1410-01 Spindle Repair
The Westwind D1410-01 is a high speed air bearing spindle. It is stator driven and capable of running up to 40,000 rpm.
CHALLENGE
When Northland Tool & Electronics was first established, our core business was the repair of air bearing spindles. While this is no longer the case, we do still offer rebuild of certain Westwind air bearing spindle models. This particular spindle suffered both an electrical short at the Cannon connector as well as a crash which allowed the shaft thrust face to rub out on the thrust plate. Fortunately, the stator was not damaged, the taper runout was less than 2µ, and we were able to refurbish the thrust plate in our machine shop.
SOLUTION
Once all components needing attention were requalified and the spindle had been reassembled, it was run up in our test room and checked for axial and radial load, air and coolant flow, dynamic runout and vibration.
RESULT
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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