3 layers WINDMÖLLER & HÖLSCHER VAREX blown film extruder

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 EX650
Manufacturer WINDMÖLLER & HÖLSCHER
Model VAREX
Year 2008
Number of layers 3
Material LDPE, LLDPE
Film Width (mm) 2100
Extruder 1 Layer ref: A
Screw diam 60 L/D 30
Extruder 2 Layer ref: B
Screw diam 90 L/D30
Extruder 3 Layer ref: C
Screw diam 60 L/D 30
Head description IBC
Die diam (mm) 550 with 1,25 and 2,25mm gaps
Thickness controll system yes PROCONTROL
Bubble cage Yes
Take off unit Oscillating
Corona treatment Softal
Web guide Yes
Rewinder max reel diameter 1200mm
Rewinder description 4 3 " and 6" winding shafts. Max width 2200mm

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