Tool sharpening, type of grinders and stones
Nov 17, 2008· White stones are ideal for HSS, but need to be operated at the proper speed. ... The resulting edge is chipped and ragged, and this will show up in your work. Green wheels are fine for roughing, but diamond is the ticket for a good sharp edge. The green wheels (silicon carbide) are no good for steel. ... Grinding on the periphery gives a hollow ...