Master Machine Tools show up as still active company.
Master Machine Tools Inc
600 Scott Boulevard
Hutchinson, ks 67505-8714
Phone: (620) 663-4451
They appear to specialize in burnishing machines, which this could be a type of.
I would suspect it either works in conjunction with a bed mill or other separate mounted work piece.
A quick call to them may bring some light on it?
Motors and parts maybe worth $400.00, but the cost of converting to any kind of CNC may not be worth it unless you can use it in its original intended purpose.
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.