I am in the process of assembling the parts to convert a Busybee B1977 (MD30) mill/drill to CNC. I want to use the UHU servo controller ( have the chips) but don't know what size of dc motor to use. Does anybody have any advice on this? Rpm, torque etc.. even ballscrew sizes. I am sure someone has already done this and I don't want to reinvent the wheel. I have searched and read for many hours and can't seem to find the answers. Any help is appreciated.