● The main motor adopts conversion control and is stable in run. ● On the master control panel of the paperboard feeding part there is equipped with a 5.7 inches LCD touchable screen. (Omron，made in Japan). ● PLC and touchable screen control are applied in productive output counting, velocity, intermittent feeding, anilox roller and the up-to-down movement of the rubber roller. ● If paperboard-lacking is found in the automatic return-to-zero or productive process of every unit, this machine has the functions of automatic stopping and trouble alarm. ● The slotting system employs high precision screw bar and knife disc position is arranged accurately and reliably.