(using google translator) I have a 3 axis CNC for woodworking, I intend to put 2 spindle motors on the Z axis to work independently with 2 different cutters, let's say, the first spindle would mill the part and the second spindle would cut, both working in sequence , question is, what changes do I need to make in mach3? should I use pneumatic drive in conjunction with the ball screw? any help is welcome