RF-M2003 Universal Joint Spider Grinder is adopted with imported PLC control system,magnetic centerless chuck and OD supporting grinding.Dresser is adopted with single point diamond pen dressing with tight structure and good stiffness.Loading and unloading is adopted with slant-pulling structure with in-process gauging to control size. Electric spindle is adopted with hi-power spindle,oil mist lubrication,machine main driving and feeding parameter can be optimized stepless to enhance grinding efficiency and accuracy.