3 layers MACCHI 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 EX694
Manufacturer MACCHI
Year 1990
Number of layers 3
Overhaul/renovation rennovation 2013 maccanical and elctronic upgrade; new control pannel and new tickness control and dosing system, several mechanical upgrade in 2013;
Film structure ABC
Material LDPE,LLDPE,mLLDPE,MDPE,HDPE
Film Width (mm) 1600
Output (Kg/h) 300 Kg/h
Extruder 1 Layer ref: A
Screw diam 55 mm
Description DC motors
Extruder 2 Layer ref: B
Screw diam 80 mm
Description AC motor gravimetric dosing units inno-plast
Extruder 3 Layer ref: C
Screw diam 55 mm
Description DC motors
Head description Automatic thickness control and automatic cooling ring Inno-plast fron 2013
Die diam (mm) 300
Thickness controll system Inno-plast
Bubble cage motorized
Take off unit rotating
Web guide E&L
Rewinder description back to back
Additional information ABC extruder description:AC motor (B) and two DC motors (A and C), Inno-plast gravimetric dosing units from 2013 year (VIP 5300 model) (A and C four components, B three components)

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