Thanks for that. I guessed as much. The control circuitry should work all right I'm thinking maybe just a high power buffer on the end of it to power the steppers. I'm at a bit of a loss as to how to calculate what size stepper I'd need. I have access to some that are 3.1A per phase max 70 V but...
I'm glad to see this project still has followers. I've read the whole site and felt a little disappointed to near the end and see posts like the main chip is no longer made. Still I'll have a go and try and find one.
My Project = I want to make a wood cutting router table to cut up to 5mm ply...