3 layers KIEFEL 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 EX595
Manufacturer KIEFEL
Year 2002
Number of layers 3
Overhaul/renovation Completyey renovated 2013-2015 - New Screws and cylindres , New Thicknes measurement Kundig and new control system on aur ring 2015 , New Gravimetric dosing units INNOPLAST 4 compoinents each extruders
Film structure A- B-C , B-A-C
Material LDPE, LLDPE
Film Width (mm) 2400
Output (Kg/h) 450 Kg/h
Extruder 1 Layer ref: A
Screw diam 70mm
Description Gravimetric dosing units InnoPlast 4 components
Extruder 2 Layer ref: B
Screw diam 90mm
Description Gravimetric dosing units InnoPlast 4 components
Extruder 3 Layer ref: C
Screw diam 70mm
Description Gravimetric dosing units InnoPlast 4 components
Head description Automatic with Innoplast control system
Die diam (mm) 450 gap 1,7mm
Thickness controll system Kundig new 2013, Inno Plast air ring new 2013
Bubble cage Yes
Take off unit Oscillating Macchi
Corona treatment Ferrarini & Benelli new 2014
Web guide Yes
Rewinder max reel diameter 1000
Rewinder description BACK TO BACK MACCHI BOPLUS Automatic, center surface driven with Gap possibility, Easy load automatic rolsl , shaft change
Additional information thickness 20 my to 300my

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