7 layers KIEFEL KIRION blown film plant

In a blown film extruder PE granulates (or other polymer) are melted in an extruder and pushed through a circular die extruding a tube of molten polymer. Tube is then inflated to multiples of its initial diameter and cooled to form a thin film. Bobble is later collapsed and re-winded.

Machine Code EX700
Manufacturer KIEFEL
Model KIRION
Year 2010
Number of layers 7
Overhaul/renovation Screw changed in 2017
Film structure Barrier film, High barrier film, lamination film, LDPE/LLDPE films
Material PA, EVOH, LLDPE, LDPE, Metallocene
Film Width (mm) 2200
Output (Kg/h) 480 kg/h
Extruder 1 Layer ref: A
Screw diam 70 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+4
Extruder 2 Layer ref: B
Screw diam 60 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+2
Extruder 3 Layer ref: C
Screw diam 60 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+2
Extruder 4 Layer ref: D
Screw diam 60 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+2
Extruder 5 Layer ref: E
Screw diam 60 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+2
Extruder 6 Layer ref: F
Screw diam 60 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+2
Extruder 7 Layer ref: G
Screw diam 70 mm
Description L/D 30 gravimetric dosing unit, complete with vacuum loaders 1+4
Head description 7 layer head, die range 350 - 550 mm, IBC, Air ring dual lip
Die diam (mm) 550 mm, gap 2 mm
Thickness controll system Thickness gauge on lineal guides after take off units, automatic profile adjustment via air ring;
Bubble cage Type NI2200-C; 3 ultrasonic sensors for bubble diameter control; motorized height adjustment, web brake detector.
Panel for gussets No
Take off unit Rotating, Model T2200, motorized opening and closing, carbon fiber rollers, width 1100 - 2200, max speed 130 m/min
Corona treatment Power 5000, double side
Web guide Yes
Rewinder max reel diameter 1200
Rewinder description Model S-2200, in-line slitting and edge strim, web tension 40 - 150 N

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