3 layers GHIOLDI COEX 3 blown film extruder

** SOLD **

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
EX704
Manufacturer
GHIOLDI
Modello
COEX 3
Year
2003
Number of layers
3
Overhaul/renovation
In 2019 by Bandera: new die head with IBC 6-component Doteco gravimetric system, K-Design ring, new screws and barrels
Film structure
ABC
Material
LDPE/LLDPE/PP
Film Width
1600
Output (Kg/h)
400
Extruder 1 Layer ref:
A
Screw diam 1
55/30
Extruder 2 Layer ref:
B
Screw diam 2
65/30
Extruder 3 Layer ref:
C
Screw diam 3
55/30
Head description
180-400 CO3 Ø 400mm IBC K-Design cooling ring
Die diam (mm)
400
Thickness controll system
Variocool/K-Design
Bubble cage
Yes
Panel for gussets
Yes
Take off unit
Oscillating with water temperature control
Corona treatment
Martignoni
Web guide
Yes
Rewinder Type
Double back to back
Rewinder max reel diameter
1000
Note
Supporting tower h=11.000mm Possibility of hot test
Machine Code EX704
Manufacturer GHIOLDI
Modello COEX 3
Year 2003
Number of layers 3
Overhaul/renovation In 2019 by Bandera: new die head with IBC 6-component Doteco gravimetric system, K-Design ring, new screws and barrels
Film structure ABC
Material LDPE/LLDPE/PP
Film Width 1600
Output (Kg/h) 400
Extruder 1 Layer ref: A
Screw diam 1 55/30
Extruder 2 Layer ref: B
Screw diam 2 65/30
Extruder 3 Layer ref: C
Screw diam 3 55/30
Head description 180-400 CO3 Ø 400mm IBC K-Design cooling ring
Die diam (mm) 400
Thickness controll system Variocool/K-Design
Bubble cage Yes
Panel for gussets Yes
Take off unit Oscillating with water temperature control
Corona treatment Martignoni
Web guide Yes
Rewinder Type Double back to back
Rewinder max reel diameter 1000
Note Supporting tower h=11.000mm Possibility of hot test
** SOLD **
BANDERA
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