Hi!
What speed should a grinding/faceting plate run? I "inherited" a vertical sander that is supposed to be used for sanding cabs, but the motor runs at 3500 rpm. And the 10 inch sanding plate is mounted on the motor shaft. too fast for lap grinding? You can see a pic of it at
http://richardsonrockranch.com/lapidary.html , second item down. I'm thinking of inverting the sanding disk/ plate and converting it to a flat grinder type unit.
Thanks!