Line composition: unit for unwinding the initial roll winding machine conveyor of the packaging machine packing machine conveyor thermotunnel. CHARACTERISTICS: Roll diameter, max -1500mm Roll width -500-1600mm Maximum roll weight -500kg Material thickness -1- 10 mm Maximum productivity -3000m/h Roll end diameter max -400mm The number of meters of material in a roll -1-80 m, adjustable Internal diameter of rolls being wound -20-25mm Permissible error in the length of the wound roll -+/-5mm