... , CPP, PVC, AL foil and paper, with PLC,automatic tension control,EPC GOOD PRICE READY MACHINE High ... belt is govemed by a vector motor, and PLC can automatically calculate the unwinding roller diameter, ... motor, adjusted by vector freque-ncy inverter and PLC can automatically calculate the rewinding roller diameter, ... adopts the round and flat blades to slit.8. The system of the machine has the function ...