Dynamatronics Spindle Repair

Dynamatronics Spindle Repair

This Dynamatronics spindle is grease lubricated and capable of running up to 6,000 rpm.


The front bearings failed from coolant contamination. The coolant entered through the front labyrinth system and washed the grease from the bearings.  The taper also had poor run out.  No other dimensional deviations were noted for this repair.



We gave the contamination prevention options that were available at this time to our customer and they decided on the option that worked best for them. We kiss ground the taper to correct the run out and poor contact.  This spindle also received a full drawbar rebuild.



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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