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 MoreAres Seiki A-6030 Spindle Repair
The Ares Seiki A-6030 is a CNC tapping center that comes standard with a direct coupled spindle capable of 10,000 rpm and a BT30 tooling taper.
CHALLENGE
When we received this spindle for evaluation, the bearings sounded noisy when rotated by hand.
Upon inspection, our technician noted that the entire spindle interior was contaminated with coolant and lubricant. Grease had completely washed out of the front bearing pair and debris from broken cages spread throughout the front of the spindle.Grease in rear bearing pair was partially washed out, but they did not fail. Gripper finger condition looked good.
SOLUTION
This was a straightforward repair with no dimensional work or machining required. The following items were addressed in this repair:
- Replaced bearings
- Replace Bellevilles
- Replace o-rings and 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.
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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