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.

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Machine Code
EX757
Manufacturer
MACCHI
Year
2002
Number of layers
3
Film structure
ABC
Material
LDPE, MDPE, LLDPE
Film Width
1700
Extruder 1 Layer ref:
A
Screw diam 1
60
Description 1
Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
Extruder 2 Layer ref:
B
Screw diam 2
80
Description 2
Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
Extruder 3 Layer ref:
C
Screw diam 3
60
Description 3
Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
Head description
IBC, air ring Karat with automatic Thickness profile control Y 2019 . Ultrasonic sensors. Head 2015
Die diam (mm)
350 and 280
Thickness controll system
K design Karat 2019
Bubble cage
with ultrasonic sensors for auto width control
Corona treatment
AFS
Web guide
Yes
Note
hot part new year 2014 Die head diam 350 and 280 mm insert Gusset units Ne Thickness control K design ( not contact type ) and New cooling ring Karat 2016
Machine Code EX757
Manufacturer MACCHI
Year 2002
Number of layers 3
Film structure ABC
Material LDPE, MDPE, LLDPE
Film Width 1700
Extruder 1 Layer ref: A
Screw diam 1 60
Description 1 Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
Extruder 2 Layer ref: B
Screw diam 2 80
Description 2 Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
Extruder 3 Layer ref: C
Screw diam 3 60
Description 3 Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
Head description IBC, air ring Karat with automatic Thickness profile control Y 2019 . Ultrasonic sensors. Head 2015
Die diam (mm) 350 and 280
Thickness controll system K design Karat 2019
Bubble cage with ultrasonic sensors for auto width control
Corona treatment AFS
Web guide Yes
Note hot part new year 2014 Die head diam 350 and 280 mm insert Gusset units Ne Thickness control K design ( not contact type ) and New cooling ring Karat 2016
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