... , foil. BTM- 1300 PLC controlled High-speed Automatic Slitting Machine Uses: The machine applies to cellophane, PET, OPP, CPP, PE ... constant tension. 2, Slitting Unit: This machine equipped with two kinds of slitting method: Flat knife slit and circular ... sticks pressure unit : The machine is equipped with two sets of pneumatic pressure automatic lifting sticks, tension automatic control by computer. 5, ...