7 layers BATTENFELD blown film extruder

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 EX512
Manufacturer BATTENFELD
Year 2003
Number of layers 7
Material Barrier film , ldpe, evoh , thickness 30 up to 300 microns
Film Width (mm) 2200
Output (Kg/h) 500 Kg/h
Extruder 1 Layer ref: A
Screw diam 75 mm
Description Motor 65 kw - Gravimetric dosing unit Doteco 4 comp
Extruder 2 Layer ref: B
Screw diam 50 mm
Description Motor 50 Kw - Gravimetric dosing unit Doteco 4 comp
Extruder 3 Layer ref: C
Screw diam 50 mm
Description Motor 50 Kw - Gravimetric dosing unit Doteco 4 comp
Extruder 4 Layer ref: D
Screw diam 50 mm
Description Motor 50 Kw - Gravimetric dosing unit Doteco 4 comp
Extruder 5 Layer ref: E
Screw diam 50 mm
Description Motor 50 Kw - Gravimetric dosing unit Doteco 4 comp
Extruder 6 Layer ref: F
Screw diam 50 mm
Description Motor 50 Kw - Gravimetric dosing unit Doteco 4 comp
Extruder 7 Layer ref: G
Screw diam 75 mm
Description Motor 65 kw - Gravimetric dosing unit Doteco 4 comp
Head description Battenfeld Autoprofile , Automatic with 98 heating points and air blowing
Die diam (mm) 520 Gap 2,2
Thickness controll system Kundig
Bubble cage YES motorized
Take off unit Oscillating REINHOLD width 2400 mm
Corona treatment Yes Ferrarini Benelli
Web guide yes
Rewinder max reel diameter 1000
Rewinder description CENTER SURFACE DRIVEN
Additional information ADDITIONAL THICKNESS CONTROL FOR EVOH CHILLER EUROCHILLER

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