Sharpening scope: In hole, outer annulus, column, trench, taper, end mill, disc cutter, lathe tool, square shape and diamond cutting tool, gear cutting tool and so on. The working table uses dovetail guide rail or high precision straight line roiling guide rails,good back and forth movement, high stability, steady bed platform, dexterous operation. Motor can rotate 360° in the horizontal plane, the grinding wheel can be clockwise and anticlockwise rapidly. When grind different kinds of material's cutter, you can turn the grinding wheel, which can add the safety and reduce the time of replacing and dressing the grinding wheel, adding controllability of cutter grinding. Standard accessory can grind lathe tool, end milling cutter, face and side cutters, hobbing cutters, circular paper cutters,etc.