Double and Triple Bubble Film Extrusion Line
United Kingdom
KUREHA DOUBLE AND TRIPLE BUBBLE FILM EXTRUSION LINE
Number of layers: 7
Film structure: ABCDEFG
Material: Barrier tubular and lid shrinkable at low temperature, eg PE-PE-tie-EVOH-PA-tie-PET
Output: maximum output 210kg/h
Maximum speed on winder: 120m/min
Film width: 710mm
Extruders: Resin dryer for extruder E, G
Extruder A: year 2020 screw, 50mm diameter L/D30, output 20-120kg/h, maximum 180rpm Gravimetric doser
Extruder B: year 2020, screw 60mm diameter L/D30, output 25-70 kg/h, maximum 190rpm Gravimetric doser
Extruder C: screw 35mm diameter L/D22, output 2-8kg/h, maximum 100rpm Gravimetric doser
Extruder D: screw 55mm diameter L/D25, output 3-21kg/h, maximum 100rpm Gravimetric doser
Extruder E: screw 75mm diameter L/D28, output 24-84kg/h, maximum 100rpm Gravimetric doser
Extruder F: screw 35mm diameter L/D22, output 2-8kg/h, maximum 100rpm Gravimetric doser
Extruder G: screw 35mm diameter L/D28, output 4-15kg/h, maximum 100rpm Gravimetric doser
Head: Reifenhauser
Die diameter: 95, 115, 135mm
Water cooling
Calibrators available of different sizes
Maximum lay flat after calibration: 500mm
Cooling length: 1180-1680mm
Stretching
Moist heat and dry heat bath
Pinch system
Maximum speed: 64m/min
Rollers face length: 350mm
Heating length: 890-2220mm
Stretching: bubble diameter range 130-535mm
Lay flat film width: 204-840mm
Cooling length: 5530-6150mm
Take off: maximum speed after stretching 100m/min
Rollers face width: 950mm, double motor drive
HT: maximum speed input 103m/min
Relaxation: 30% to +10%
Heat tunnel size: diameter 6500mm, length 3500mm
Heating HD + air damper/sliding length: 1750mm
Roller face width: 950mm
Thickness gauge
Rewind: maximum winding width 1100mm
Rollers face width: 1350mm, maximum speed 120m/min, maximum diameter 632mm