I'm in the planning stages of upgrading my Shopbot CNC router, which will include a new Z axis with ball screw/stepper motor.
How many MM per revolution should I consider for the Z axis ball screw?
I cut lots of 2D profile cuts, but I also need to be able to do sign work and some moldmaking. So resolution is important, but not critical like a lathe or mill might be.
Thanks for the input!
Wayne from White Salmon