[doubleg72]

Surface grinders generally don’t use CNC, they are a simple machine.

[jacquesm]

In the 1950's, yes. But these days they definitely are CNC based.

https://www.rooy.nl/en/areas-of-expertise/surface-grinding/

[Dries007]

This is a fun playlist of a conversion of a manual machine to CNC:

https://www.youtube.com/playlist?list=PLDlWKv7KIIr9rlCwZ9K43...