MGK84 series machine tools are widely used in roll grinding with high precision and high surface quality, such as DYMGK nanometer high performance grinding special numerical control system and ultra high sensitivity nanometer micro feed system. It is also suitable for grinding metal and non-metallic rolls in papermaking and other industries. The grinding of cylindrical roll surface, convex or concave curve roll surface, grinding CVC curve and arbitrary curve roll surface can be completed on this machine tool.