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 MoreMatsuura H.Plus-405 Spindle Repair
This Matsuura H.Plus-405 spindle comes equipped with BIG PLUS tooling capability. Northland Tool works closely with BIG Kaiser to make sure your BIG PLUS spindle repair meets the high standards needed to effectively use their tooling. We are one of the very few spindle rebuilders that BIG PLUS has authorized for repair and we are the only authorized repair facility in the eastern United States.
CHALLENGE
This Matsuura H.Plus-405 spindle arrived at Northland Tool and Electronics in rough shape. We completed a full breakdown and evaluation on this spindle and found a few issues. First, the shaft taper was in rough shape, it looked like it was hand ground. Second, the front housing coolant jacket had a deep gouge in it incoming. Third, the taper face had a deep mark in it and one drive dog had wear. Fourth, the gripper finger’s, gripper sleeve, and the drawbar shaft were worn. The front bearings had blue coolant contamination starting to get into the grease. Lastly, the rear roller was not rated for the 15,000 rpm machine operation.
SOLUTION
The following actions were performed on this Matsuura H.Plus-405 spindle:
- Clean, inspect overall dimensions
- Replace bearings, bolts, and o-rings
- Replace rear roller with correctly rated bearing
- Replace shaft, drawbar, drawbar sleeve, grippers.(this comes as a whole unit)
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.
Spindle contamination is a critical issue that can significantly impact the performance and longevity of your machinery.
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