Where's precision downfeed on Proth PSG surf grinder?
proth surface grinding machine - Bing video Pretty much between 300 and 500 IPM with a 1/2"+ over travel at long ends/ fresh dress, stick the wheel with slight rub with a piece of wood like a popsicle stick, part straight long ways on the chuck, bump the lead and follow edge 1/64th bevel, wet, *don't use crisis cross feature if ...