2006 Kureha Double and Triple Bubble Film Extrusion Line

KUREHA DOUBLE AND TRIPLE BUBBLE FILM EXTRUSION LINE

Number of layers: 7

Film structure: A, B, C, D, E, B, G

Material: Barrier tubular and lid shrinkable at low temperature, e.g. PE-PE-tie-EVOH-PA-tie-PET

Output: maximum 210kg/h

Maximum speed at winder: 123m/min

Film width: 680mm

Extruder A: screw 65mm diameter L/D28, output 30-110kg/h, maximum 128rpm, Gravimetric dose

Extruder B: screw 40mm diameter L/D24, output 3-13kg/h, maximum 70rpm, Gravimetric doser

Extruder C: screw 50mm diameter L/D25, output 3-22kg/h, maximum 100rpm, Gravimetric doser

Extruder D: screw 55mm diameter L/D28, output 16-66kg/h, maximum 100rpm, Gravimetric doser

Extruder E: screw 40mm diameter L/D24, output 3-13kg/h, maximum 70rpm, Gravimetric doser

Extruder F: screw 30mm diameter L/D28, output 3-13kg/h, maximum 75rpm, Gravimetric doser

Resin dryers: C, D, F

Kuhrea, as optional available a Reifenhauser head also spare head make Kureha Calibration

Stretching: heat bath, moist heat and dry heat bath

Pinch system

Input typical speed heat bath: 37m/min

Roller face width after calibration: 350mm

Typical output speed heat bath: 64m/min

Heating length: 890-2200mm

Stretching bubble diameter range: 200-530mm

Lay flat film width: 315-840mm

Cooling length: 3500-6100mm

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 650mm, length 3500mm

Heating HD + air damper/sliding length: 1750mm

Roller face width: 950mm

Thickness gauge

Bubble guide

Rewind: maximum winding width 680mm

Rollers face width: 800mm

Maximum speed: 120m/min

Maximum diameter: 632mm

Lay flat width produced: 400-1000mm, 300-680mm

Extruders: x 6

Coex: 7 layer