Bi-oriented extrusion line

Manufacturer KUREHA
Number of layers 7
Film structure ABCDEFG
Material Barrier tubular and lid shrinkable at
low temperature. (e.g.: PE-PE-tie-EVOH-PA-tie-PET. Flowvac.
Output max output 240 Kg/h. max speed at winder 120 m/min
Film width (mm) 1100

Extruders
Resin dryer for extruder D, E, G Extruder
A: screw 65mm diam L/D28, output 12-70 kg/h,
max 100rpm Gravimertic doser 4 comp Extruder
B: screw 65mm diam L/D28, output 12-70 kg/h,
max 100rpm Gravimertic doser 4 comp Extruder
C: screw 35mm diam L/D24, output 2-8 kg/h,
max 100rpm Gravimertic doser 1 comp Extruder
D: screw 60mm diam L/D28, output 9-44 kg/h,
max 100rpm Gravimertic doser 4 comp Extruder
E: screw 70mm diam L/D28, output 35-100 kg/h,
max 100rpm Gravimertic doser 4 comp Extruder
F: screw 35mm diam L/D24, output 2-8 kg/h,
max 100rpm Gravimertic doser 1 comp Extruder
G: screw 35mm diam L/D24, output 6-17kg/h,
max 100rpm Gravimertic doser 1 comp

Head Make Reifenhauser. die Diam: 170 - 200 - 230mm.
Water cooling. Calibrators available of different sizes.
Max lay flat after calibration 500mm,
cooling length 1180-1830mm

Stretching
STRETCHING: Heat Bath: Moist heat and dry heat bath.
Pinch system. Typical Speed 64 m/min,
rollers face length 500mm, Heating length 418-2450mm Stretching: Bubble size: Bubble diameter range: 280-765mm,
layflat film width 400-1200mm
Cooling length: 6500-7500mm
Take off: Max speed after stretching 100m/min,
Rollers face width 1350mm, double motor drive HT:
Max speed input 103m/min Relaxation: -30% to +10%
Heat tunnel size: diam 1000mm , length 3500mm
Heating HD + air Damper/Sliding length:4500mm
Roller face width 1250mm
Thickness gauge

Rewinder
Max winding width 1100mm, Rollers face width 1350mm,
max speed 120 m/min, max diam 632mm

Type Triple bubble
Note Lay flat width produced 400-1000mm