In the case of the DC servo motor based Boss 8 -12 machines and the V2XT (and any other servo based CNC) savings are gain by reusing the stock servo motors and fitting them with a modern encoder. This saves time and money during the CNC upgrade. The original Bridgeport electrical cabinet was also reused along with the stock operators console which was adapted to the new Centroid operators pendant and new LCD display. New Centroid All-in-One-DC CNC control board, CNC PC and power supplies were installed, while reusing the stock transformers for DC servo power, the cabinet disconnect and fuses. A spindle motor inverter (VFD) was added for programmable spindle control.
This retrofit upgrade was performed by Terry Ruppe, Arrow Controls, Houston, TX. , click on this link to see the V2XT photo album.
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