Description Overview Bi-axial film extrusion and stretching line Year: 1994 Manufacturer: Bruckner Biaxial material type: BOPET Film width (max): 6200 mm Number of extruders: 2 Output capacity: 2000 kg/h Main Extruder Screw diameter: 200 mm Screw L/D ratio: 30 Capacity: 2000 kg/h Melt filter: 22 m², 2x 180 filter discs (12”, 20 μm) Satellite Extruder (Coextruder) Capacity: 350 kg/h Screw diameter: 90 mm Screw L/D ratio: 30 Filter: 3.8 m², 2x 35 filter discs (12”, 20 μm) Melt Die 2 melt dies Slot width: 1967 mm Casting Unit Chill roll diameter: 1200 mm Chill roll width: 2200 mm Band pinning Mdo (Machine Direction Orientation) 2 gap stretching, V1 = 3 – 95 m/min, V2 = 9 – 275 m/min 6 preheating rollers, d = 300 mm, b = 2200 mm 4 stretching rollers, d = 200 mm, b = 2200 mm 3 cooling rollers, d = 200 mm, b = 2200 mm Tdo (Transverse Direction Orientation) Inlet width: 1500 mm – 1900 mm TDO outlet: 5800 mm – 6500 mm (max stretching width 7000 mm) Transport system: sliding chain FOK 4.4.4 Prs (Post-Reheat System) Automatic thickness measurement control system Corona on bottom and upper side Winder Max roll diameter: 1000 mm Max film width: 6200 mm Cores: d = 450 mm, b = 6800 mm Oscillating CFK contact roll General Specifications Line speed: 275 m/min Thickness range: 8 – 50 μm, plain film + coex film Design throughput: approx. 11,200 T/year Electric: 3x380 V, 50 Hz Nominal line output for 6100 mm net film width trimmed on winder mill roll Can be seen in production Delivery time: end of 2011