... clockwise and anticlockwise rapidly. When grind different kinds of material's cutter, you can turn the grinding wheel, which can add the ... of replacing and dressing the grinding wheel, adding controllability of cutter grinding.1. Standard accessory can grind lathe tool, face ... 50E accessory can grind MO-type 4# coning spiral milling cutter, ball cutter, R-shape lathe tool,etc 3. Choosing 50K accessory ...