3 layers DOLCI blown film plant

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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
EX604
Manufacturer
DOLCI
Year
2003
Number of layers
3
Film structure
ABC
Material
LDPE, LLDPE, EVA in blends PP and HDPE
Film Width
1800
Output (Kg/h)
300
Extruder 1 Layer ref:
A
Screw diam 1
55mm
Description 1
Gravimetric dosing unit Doteco 3 components, 45kw AC motor, L/D30
Extruder 2 Layer ref:
B
Screw diam 2
65mm
Description 2
Gravimetric dosing unit Doteco 3 components, 73kw AC motor
Extruder 3 Layer ref:
C
Screw diam 3
55mm
Description 3
Gravimetric dosing unit Doteco3 components, 45kw AC motor, L/D30
Head description
IBC with contact less sensor; Head Model: 3CX25-35;
Die diam (mm)
350
Thickness controll system
PLAST CONTROL
Bubble cage
Mothorized Make Reinhold
Panel for gussets
yes
Take off unit
Rotating Model PSDO1800
Corona treatment
Make Cason model Electronplast 3000/s
Web guide
yes
Rewinder Type
Double back to back
Rewinder max reel diameter
1000
Rewinder description
model sxo1800
Note
chiller speed 80m(min
Machine Code EX604
Manufacturer DOLCI
Year 2003
Number of layers 3
Film structure ABC
Material LDPE, LLDPE, EVA in blends PP and HDPE
Film Width 1800
Output (Kg/h) 300
Extruder 1 Layer ref: A
Screw diam 1 55mm
Description 1 Gravimetric dosing unit Doteco 3 components, 45kw AC motor, L/D30
Extruder 2 Layer ref: B
Screw diam 2 65mm
Description 2 Gravimetric dosing unit Doteco 3 components, 73kw AC motor
Extruder 3 Layer ref: C
Screw diam 3 55mm
Description 3 Gravimetric dosing unit Doteco3 components, 45kw AC motor, L/D30
Head description IBC with contact less sensor; Head Model: 3CX25-35;
Die diam (mm) 350
Thickness controll system PLAST CONTROL
Bubble cage Mothorized Make Reinhold
Panel for gussets yes
Take off unit Rotating Model PSDO1800
Corona treatment Make Cason model Electronplast 3000/s
Web guide yes
Rewinder Type Double back to back
Rewinder max reel diameter 1000
Rewinder description model sxo1800
Note chiller speed 80m(min
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