3 layers WINDMOLLER & HOLSCHER Optimex Blown film extrusion line

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 EX690
Manufacturer WINDMOLLER & HOLSCHER
Model Optimex
Year 2016
Number of layers 3
Film structure A B C
Material LDPE
Film Width (mm) 1800
Output (Kg/h) 370
Extruder 1 Layer ref: A
Screw diam 60
Description Gravimetric dosing units Doteco 6 comp
Extruder 2 Layer ref: B
Screw diam 90
Description Gravimetric dosing units Doteco 6 comp
Extruder 3 Layer ref: C
Screw diam 60
Description Gravimetric dosing units Doteco 6 comp
Die diam (mm) 250 mm - Additional die 160 mm
Thickness controll system Thickness gauge Kundic control OPTIFIL
Bubble cage yes
Panel for gussets Yes
Take off unit Oscillating 1800 mm wide
Corona treatment yes CASON
Rewinder description width 1800mm

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