... -D PLC Controlled High Speed Slitting and Rewinding MachineUses: The machine applies to cellophane, PET, OPP, CPP, PE, PS, ... to achieve a constant tension). 2, Slitting Unit: This machine equipped with Flat knife. (Circle knife is optional device). ... The machine is equipped with two sets of pneumatic pressure automatic lifting sticks, tension automatic control by computer. 5, waste edge processing ...