Description Overview Bi-oriented film extrusion line (BOPP complete extrusion line) Produced film type: packaging film Line start-up date: 2004 Film width 6800 mm on winder 3 layers (A – B – C) Thickness range: 15 – 60 micron Max output: 2800 kg/hr Max mechanical speed: 280 m/min Extrusion Cascade main extruder twin screw TM 133 MW, 2800 kg/h at 300 rpm Manufacturer: Maris DC drive – 01 main extruder motor stand by L/D: 32.1 Metering pump Manufacturer: Maag AC drive Main filter: L.666 Surface area: 6.36 m2 Co-extruders manufacturer: Davis Standard 2 co-extruders with max. output 150 kg/hr and 200 kg/h DC drive – 02 co extruder motors stand by L/D 30:1 Included with double filters with surface area: 0.81 m2/unit Die Manufacturer: Farcon Symmetrical design with three coat hangers 3 layers Casting Unit Chill roll Air knife Film and chill roll drying system Water bath Mdo Manufacturer: DMT 14 pre-heating rolls - electrical heaters 4 stretching rolls - circulating oil 2 annealing rolls - electrical heaters 5 nip rolls Tension control at inlet and outlet AC drive Stretching ratio 1:1 – 1:6 Tdo Manufacturer: DMT Chain and chain track system Heating system: circulating air via individual heating system / zone (electrical heater, motors, fans, sensor, etc.) Edge guide system at inlet Pull Roll Manufacturer: DMT Cromed rolls chilled by water Edge trim on-line recycling unit 2 corona treatment stations (up and down – double treated) AC drive Thickness gauge X-ray: measurement range 5 – 100 µm Winder Working width: 6800 mm Core - steel cores, 7500 mm length AC & PLC: fully integrated system PLC with operator workstations (Schneider Electric) Raw Material Material feeding equipment Pneumatic conveying system Cyclone to separate resin and conveying air Metal separator Mixing hopper Suction conveying for co-extruder Edge trim recycling Edge trim grinder Conveying fans Slitter & Rewinder Atlas slitter & rewinder 6.8 m (1000 m/min – CW964) 10 stations Recycling System Erema 500 kg/h RM 80T Utilities Compressor, boiler, silos, mill rolls, mill roll stands (corona and nip), nip rolls stands, overhead crane (10 tm)