Electronic Divider Rotary Table for lathe or milling machine - Setup and Overview - WorldOfWard
This video shows the setup and overview of Steve Ward, World of Ward, digital divider.
Steps per 360 = steps per rev of stepper (200) x microstepping x reduction
Eg, a vertex dividing head (90:1), on 1/2 microstepping
= 200 x 2 x 90 = 36000 steps per rev