Blown film coextrusion line

Year:  1997
 
Location:  Europe
 
Brand:  BIELLONI
 
Model:  COEX 5 MEC

 
Technical Specifications 
Materials: PE, PA, EVOH 
Film width (max): 1200 mm
Output capacity: 250 kg/h
Layers: 5 
Number of extruders: 4 
Head model: Fixed 
 
Other specifications 
 
Complete line consisting of:

2 Extruders CV 55/24, screw diam 55 mm; L/D 24 ,
1 Extruder CV 65/24, screw diam 65 mm; L/D 24 (for barier layers) ,
1 Extruder CV 40/24, screw diam 40 mm; L/D 24 -
Multilayer head for head gap from 250 to 350 mm
Diam. of mouthpiece of head 350mm -
Supporting structure of head on roll
Cooling ring model Dual Lip.
Air flower of air ring, complete with arms self centring
Control cabinet of extruders.
Indicator of pressure melted polymer and Indicator temperature for layer “C”
Filter Exchange - 4 units
Preparing head, mouthpiece and cylinder with extruder to process PA and EVOH
Haul of oscillating model TRO, width of using 1200 mm, width of rolls 1300 mm, complete with panels and rolls, regulation of converge film with engine. Guiding edge type OPG to set film In one line.
Digital convener of temperature and pressure
Material feeder – 4 units.
Gravimetrical systems (1 for each extruder) to constant control of: thickness of every of 4 layers, total thickness and tolerance of thickness, including display and printers
Extra mouthpiece of diam 250mm, with reductor for cooling ring.
Double winder of strap
Winder type BCA with automatically programme roll exchanger, with constant passing of rolls and taking out winded roll.
System of cutting with distribution rolls.
Supporting structure – Tower with rolls on out of film
Film Activator with 2 heads and ozone haul of .
Output 200kg/h

Machine Has been installed in the and 1998 (11/1998)