Will the Mach 3 software still work on, Torchmate, since they have switched to, USB?
No. torchmate uses FlashcutCnc, so you will not use Mach with it.
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)
"If the women don't find you handsome, they should at least find you handy"
-RedGreen show.