Bandera 3 layers blown film machine

Number of layers 3
Film structure ABC
Material LDPE, LLDPE.
Film Width 2400
Output (Kg/h) 400kg/h depending on materials

Extruder 1 Layer ref: A
Screw diam 1 65mm
Description 1 AC motor 75kW,
gravimetric dosing unit Plascontrol 4 comp,
with vacuum suction system.
Sella water thermo-regulation for feeding area,
lever type screen changer

Extruder 2 Layer ref: B
Screw diam 2 85mm
Description 2 AC motor 132kW, gravimetric dosing unit
Plascontrol 4 comp, with vacuum suction system.
Sella water thermo-regulation for feeding area,
lever type screen changer

Extruder 3 Layer ref: C
Screw diam 3 65mm
Description 3 AC motor 75kW, gravimetric dosing unit
Plascontrol 3 comp, with vacuum suction system.
Sella water thermo-regulation for feeding area,
lever type screen changer

Head description IBC with auto control via 3 ultrasonic sensor for
diam measurement. Air ring K Design KARAT with
Vario-cool automatic thickness profile control,
Die diam (mm) 450mm Inserts available for gap 0.8, 1.4 and 2.4 mm
Thickness controll system K-Design automatic thickness
profile control. System upgraded in 2020 with new sensor, HMI
Bubble cage motorised adjustments
Panel for gussets no
Take off unit Rotating
Corona treatment Softal 2 side (2 side for tubular or
1 side for each film)
Web guide E+L
Rewinder Type Double back to back
Rewinder max reel diameter 1200
Rewinder description can work contact or gap winding
Note Micro hole device make FBF 2 Frigosystem air chillers,
recently changed Width measurement device after
take off unit

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.