3 layers WINDMOLLER & HOLSCHER Optimex blown film machine

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 EX718
Manufacturer WINDMOLLER & HOLSCHER
Model Optimex
Year 2017
Number of layers 3
Film structure ABC
Material LDPE, LLDPE, MDPE
Film Width (mm) 1800
Extruder 1 Layer ref: A
Screw diam 65mm
Description 4 comp gravimetric doser, AC motor
Extruder 2 Layer ref: B
Screw diam 90mm
Description 6 comp gravimetric doser, AC motor
Extruder 3 Layer ref: C
Screw diam 65mm
Description 4 comp gravimetric doser, AC motor
Head description Multicool automatic air ring, IBC,
Die diam (mm) 315mm
Thickness controll system Automatic. Optifil
Bubble cage yes, with wide rollers
Panel for gussets yes
Take off unit Rotating. Double collapsing panels with rollers and with wooden sticks
Corona treatment yes
Web guide yes
Rewinder description Model Filmatic. Double back to back with inline slitting
Additional information Machine with approx 3000 hours of use

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