3 layers GHIOLDI COEX 3 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.

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Machine Code
EX703
Manufacturer
GHIOLDI
Model
COEX 3
Year
2000
Number of layers
3
Film structure
ABC
Material
LDPE/LLDPE, HDPE
Film Width
2200
Output (Kg/h)
450
Extruder 1 Layer ref:
A
Screw diam
65/30
Extruder 2 Layer ref:
B
Screw diam
80/30
Extruder 3 Layer ref:
C
Screw diam
65/30
Head description
Coex3 IBC
Die diam (mm)
450 and 350
Thickness controll system
Measurer
Bubble cage
Yes
Panel for gussets
Yes
Take off unit
Oscillating
Corona treatment
Yes
Web guide
Yes
Rewinder Type
Back to back automatic roll changeover
Rewinder max reel diameter
1000
Additional information
Tower structure included Electric cabinets
Machine Code EX703
Manufacturer GHIOLDI
Model COEX 3
Year 2000
Number of layers 3
Film structure ABC
Material LDPE/LLDPE, HDPE
Film Width 2200
Output (Kg/h) 450
Extruder 1 Layer ref: A
Screw diam 65/30
Extruder 2 Layer ref: B
Screw diam 80/30
Extruder 3 Layer ref: C
Screw diam 65/30
Head description Coex3 IBC
Die diam (mm) 450 and 350
Thickness controll system Measurer
Bubble cage Yes
Panel for gussets Yes
Take off unit Oscillating
Corona treatment Yes
Web guide Yes
Rewinder Type Back to back automatic roll changeover
Rewinder max reel diameter 1000
Additional information Tower structure included Electric cabinets
DOLCI
BANDERA
KIEFEL
GHIOLDI
CMG
WINDMOLLER & HOLSCHER Only extrusion head