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 More
OKK HP-5005 Spindle Repair
The owners of this spindle started to repair the spindle by himself and quickly abandoned that thought as it did not go smoothly for them. We needed to re-qualify a few areas of the shaft and housing caused by improper dis-assembly techniques. We were able to salvage the spindle and within 5 days our customer was up and running. They have determined that Northland Tool & Electronics will be their rebuilder for any spindles in the future.
This OKK HP-5005 spindle had an unknown cause of failure due to the fact that the spindle came in taken apart and missing the bearings. After evaluating what was supplied, we noted that the rear bearing journal and threads were severely damaged during the previous disassembly. No other dimensional deviations were noted for this repair.
The following actions were performed on this OKK HP-5005 spindle:
- Clean all parts of the spindle
- Replace bearings, o-rings, and assembly screws
- Kiss grind ID Taper and housing shoulder
- Grind, chrome plate, and finish grind the rear bearing journal
- Repair rear shaft threads
- Manufacture new bearing spacer
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.
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