2008 Kureha Double and Triple Bubble Film Extrusion Line

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