So just starting to consider building cnc router looking at spindles seen Fox3d review of the Jianken 2.5kw atc spindle right now is my first choice what else is required to operate this spindle looking like atc is pneumatic so guessing do you need pneumatic valve and relay to operate atc ? Is that all you need to operate atc. Someone mentioned using vector drive to run it instead of VFD. Been looking really haven't found one can anyone help with this ? And affordable one. I have 220v single phase 30 amp circuit available this will be enough? Thanks so much I am new to this. I'm a toolmaker for 35 years so the mechanical I get it's all these electronics, VFD, vector, etc that gives me a fit.