5 layers MACCHI COEX 5 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 EX644
Manufacturer MACCHI
Model COEX 5
Year 2015
Number of layers 5
Overhaul/renovation 2015 new electronic of winder and haul off which are 2002 year
Film structure ABCDE
Material LDPE,LLDPE,PA,EVOH
Film Width (mm) 2100
Output (Kg/h) 350-400 Kg/h
Extruder 1 Layer ref: 80
Screw diam 80/30
Extruder 2 Layer ref: 55
Screw diam 55/30
Extruder 3 Layer ref: 55
Screw diam 55/30
Extruder 4 Layer ref: 55
Screw diam 55/30
Extruder 5 Layer ref: 80
Screw diam 80/30
Head description Coex 5 with K Design air ring
Die diam (mm) 350 gap 2.2mm
Thickness controll system Electronic System x rays
Bubble cage Yes. Automatic
Take off unit Oscillating for 2400mm film width
Corona treatment Ferrarini & Benelli
Web guide Yes
Rewinder max reel diameter 1000mm
Rewinder description BOPLUS wide 2100mm
Additional information No supporting tower Gravimetric system Innoplast. components 5-3-2-3-5 Plasmec in line hot regranulator

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