High precision blade sharpening machine is to absorb the essence of the German grinding equipment and grinding equipment design and manufacture of a multipurpose high-grade grinding equipment, this machine is mainly suitable for grinding all kinds of different sizes, different point of view, large blade made of different materials, printing, paper making, plastic, leather, food, wood, plywood, and other industries of equipment required, In particular, it is the ideal sharpening equipment for high-grade paper cutting machine. The machine body is made of double-layer high quality iron plate welding, its advanced structure, reasonable design, good stability, after aging treatment and finishing, to ensure the accuracy of the machine. The machine bed is equipped with an electromagnetic sucker, one end is provided with a worm drive mechanism, rotating hand wheel can be in 0-90° range of arbitrary adjustment of Angle. The front side of the bed is provided with a travel switch to adjust the stroke, and the rear side is provided with a rack and gear clearance adjustment mechanism. The bed is equipped with a special electrical control box. The main movement of the machine tool adopts mechanical transmission, and the left and right walking adopts rack and pinion frequency conversion speed regulation. The best adjustment between the rack and pinion can be carried out according to the operation situation. The grinding head of the machine tool adopts frequency conversion automatic feed, the total feed amount can be set, and the grinding can be carried out according to the total feed amount.