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 MoreMori Seiki NV5000 Spindle Repair
Some of the things that separate Northland Tool & Electronics from our competition are pictured below. When we repair your spindle we replace all of the parts that could be worn or may cause your spindle to not function properly. We replace the coolant nozzles (pictured below), fasteners, O-rings, grippers, belleville washers, tubing etc, if they show any sign of wear, with every Mori Seiki repair we do. Our competition frequently reuses these because they have not taken the time to source a cost effective alternatives to OEM parts. We take the time to show you why your spindle failed so we can work together to take steps to improve your spindles service life.
CHALLENGE
This Mori Seiki NV5000 spindle was sent in for a full breakdown and evaluation. Upon disassembly and inspection, we noted that the rear bearing was severely fretted. The chrome was chipping in the taper and the tach sensor was not bolted on and loose in the housing. Coolant jets were plugged in the front cover and the field was completely saturated, but it passed all tests. Lastly, the gripper fingers were worn. No other dimensional deviations were noted for this repair.
SOLUTION
The following actions were performed on this Mori Seiki NV5000 spindle:
- Clean, inspect overall dimensions
- Grind, chrome plate, and finish grind the ID 40 taper
- Replace bearings, bolts, grippers, o-rings, oil mist tubing, encoder sensor, and coolant plungers
- Clean out field
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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