Due to a retrofit I have all electrical parts available from a 84' denford orac, including power supplies, drivers, steppers, interface ect ect along with some other none electrical parts such as base with backsplash, only parts NOT available are bed,headstock, ballscrews, crosslide and atc. Please ...

Hi Luke,

Z is 5mm Pitch, and on my machine pulley ratio is 1:1.75
X is 2.5mm Pitch with 1:1.25 ratio

couldn't tell you if standard though