Quote Originally Posted by cropwell View Post
The BoB you have, I am certain, has 0-10v output to control spindle speed with a VFD and Spindle setup, so you don't need any more electronics apart from the VFD. The rest is setting it up in Mach3.
Thanks, so which spindle should I be looking at bearing in mind it is for finishing only so RPM is more important than power.