Macchi Blown Film Extrusion Line

Number of layers: 5
Film structure: ABCDE
Material: Nylon and Evoh base barrier film
Film width: 2200
Output: 480kg/h

Extruder 1 layer: A
Screw diameter 1: 65mm
Description 1: Gravimetric dosing units, 4 comp, groove feed, bimetal barrel, barrier
Screw melt pressure sensor before screen change

Extruder 2 layer: B
Screw diameter 2: 45mm
Description 2: Gravimetric dosing units, 1 comp, groove feed, bimetal barrel, barrier
Screw melt pressure sensor before screen change

Extruder 3 layer: C
Screw diameter 3: 55mm
Description 3: Gravimetric dosing units, 4 comp, groove feed, bimetal barrel, barrier
Screw melt pressure sensor before screen change

Extruder 4 layer: D
Screw diameter 4: 45mm
Description 4: Gravimetric dosing units, 1 comp, groove feed, bimetal barrel, barrier
Screw melt pressure sensor before screen change

Extruder 5 layer: E
Screw diameter 5: 65mm
Description 5: Gravimetric dosing units, 4 comp, groove feed, bimetal barrel, barrier
Screw melt pressure sensor before screen change

Die diameter: 450mm, 5 layer die head, 10 zones heating, 550 x 2mm insert
for LLDPEIBC with 1 air chiller bubble control, automatic inner bubble exchange
by high speed stepper motored valve, air ring with 64 heating inserts
Bubble cage: 1100-2100mm lay flat motorized calibration cage, ultrasonic web break detector
Take off unit: horizontal oscillating take up, AC vector drive
Corona treatment: 2 side
Web guide
Rewind: double back to back
Rewind maximum reel diameter: 1200
Rewind: 2 station contact winder, 40-250N web tension, antistatic system, 4 core air shafts
Air chiller exchangers for OBC & IBC
Edge trim slitting and blower
PLC control
Touch screen control 15”
Maximum: 150m/min