Converting a Mill/Drill and Installing a VFD Issue 33, 2015
Sep 03, 2015· Converting a Mill/Drill and Installing a VFD. ... I soon found that there were some issues with the machine that I felt could be corrected with the threephase motor/VFD conversion. Because it is a threepulley, twobelt drive setup, with the center pulley acting as an idler with both belts on it, changing the spindle speed requires removing ...