This machine is the special equipment used to steel tower industry. It can complete the punching, typing and shearing for the angle steel once time. The CAD drawings could be converted to programme automatic. Technical paramter: NAME unit value Remark Punching force KN 700 Shearing force KN 900 Typing force KN 700 Max. workpiece size mm 140×140×12 Min. workpiece size mm 40×40×3 Max. punching thickness mm 12 Max. puchning diameter mm Φ26 Spindle feeding speed mm 30/40/60 Punching head qty. Pc 4 Shearing type Double shear