i want retrofit my milling and turning machine to cnc machine with mach3 software.
Please help me what board is the best and real for connection between machine and software ?
www.cnc4pc.comwww.ajaxcnc.comwww.machmotion.comor other board ?
What board Do you advise and why?
I want retrofit other machine with more speed near 18000 m/min axis movement.
Please drew of connection map wire between board,motor,MPG ,pc or other hardware and send it to my mail.

How many and what kind and what model of interface board Does i need for connection.
My English writing is not good,so i am sorry
Thank you for your help
My mail: lotfi.teach@gmail.com