Down and dirty on fine surface finishes with a tool post grinder
1.145" diameter, 3" long, steel shafting, 52Rc, grind to 1.125". Themac J3 Tool post grinder installed, 2" AO 220 grit wheel for rough grinding, 800 rpm lathe spindle speed ( is this spindle speed proper?) Grinder only came with 2 of the 4 pulleys (#1 & 4 used with very small diameter wheels or reversed and used with 2-3" wheels)