Kuhne Bi-oriented extrusion line

Number of layers 9
Film structure ABCDEFGHI Typical structure: PO (5%) - HV (5%)
- PO (35%) - HV (5%) - PA (5%) – EVOH (5%) - PA (5%)
- HV (5%) – PO (30%)
Machine is also designed for structures with PET
Material 9 layers barrier and shrink film structures with PO
(PE, PP and another polyolefins)/PA/EVOH/PET
Output max 140-160 Kg
Film width (mm) 700
Extruders 9 extruders: A- Screw diam 35mm L/D24, AC Motor,
approx. 20 Kg/h with PO (PE and PP) and PET 5 comp FDM doser ;
B- Screw diam 30mm L/D24, AC Motor, approx. 10 Kg/h with
HV 3 comp FDM doser;
C- Screw diam 60mm L/D24, AC Motor, approx. 90 Kg/h with PO,
70 Kg/h with PA;
3 comp FDM doser D- Screw diam 30mm L/D24,
AC Motor, approx. 10 Kg/h with HV;
2 comp FDM doser E- Screw diam 30mm L/D24, AC Motor,
approx. 10 Kg/h with PA 3 comp FDM doser;
F- Screw diam 35mm L/D24, AC Motor,
approx. 15 Kg/h with EVOH 2 comp FDM doser;
G- Screw diam 30mm L/D24, AC Motor,
approx. 10 Kg/h with PA 3 comp FDM doser;
H- Screw diam 30mm L/D24, AC Motor,
approx. 10 Kg/h with HV 2 comp FDM doser;
I- Screw diam 45mm L/D24, AC Motor,
approx. 60 Kg/h with PO 5 comp FDM doser- Melt Gear Pumps
after all extruders - hydraulic screen changer
Head 9-layer extrusion die with 2 die inserts 80 mm and
160mm die
Stretching Triple bubble line, see details in
Additional information section
Rewinder Automatic single winder. Max width 700mm,
max reel diam 800mm, max speed 100m/min
Note Stretching: - preforming unit gage insert 1 set
-1st pulling unit max speed 40m/min: for pulling and
tension control
- Preheating exchange length 3m
- 2nd pulling unit max speed 40m/min: Squeezing the film tube,
2 squeezing rollers
- Cooling ring for process stabilizing after preheating and
pulling (including heat exchanger)
- Cooling ring for cooling (including heat exchanger)
-3rd pulling unit max speed 100m/min: to pull tubular,
Reversing device and air reversing layers
Reverse speed infinitely adjustable,
Electric height level adjustment Adjustment range 2m
- Width gauge
- Humidification pool
- Blowing off
- 4th Pulling unit max speed 100m/min: to pull material from
unit 3, and to guide material into post-treatment unit
- Post treatment
- Corona treatment
- Dancing roller
- Width gauge Dosing system: - 5 x gravimetric dosing units
3 components for extruders A/C/E/G/I
- 4 x gravimetric dosing units 3 components for
extruders B/D/F/H Material suction system
Thermoregulation units