Macchi 5 layer extrusion line

E18004
Machine Macchi 5 layer extrusion line
Reference number E18004
Machine manufacturer Macchi
Type of extruder Blown
Year 2006
Number of layers 5
Diameter die 500 mm
Lip opening 2,2 mm
Diameter screw(s) 50-65-80-65-55
L/D ratio screw(s) 30
Material & Min – Max thickness LDPE, LLDPE, mLLDPE, HDPE, MDPE, blends
20 – 200 micron
Max. film width 2400 mm
Max. output 250 kg/hour
Rewind type Model: BO Plus
Back-to-back
Max. rewind reel diameter 1000 mm
Number & sizes airshafts for winder 3” x 4
6” x 4
Dosing unit Yes, Doteco, 4 components
IBC Yes
Thickness measurement Yes, Capacitive, Kundig K-100
Edge guide(s) Yes, E+L FX5100
Corona treater Yes, AFS. 5000W
Tower construction included Yes
Manuals available Yes
Including Kdesign Vario Cool Profile control, 48 segments
Spare parts Brand new screws and barrels for all 5 extruders
Subject to unsold. Although believed to be correct, the machine specifications and lists supplied are based solely upon those provided by the original owners.

Extruders
Extrusion in the flexible packaging industry can roughly be devided in three kinds of extrusion: blown film extrusion lines, cast film extrusion lines and BOPP extrusion lines.

Blown Film Extrusion
Blown film extrusion is the most common technology to produce plastic film. Blown film extrusion is typically carried out upwards vertically.
Film is made out of polymer material. These polymeres are generally in the form of granulate. This material is melted and then forced or extruded through a die. Air is blwon thourgh a hole in the center of the die. This pressure causes a bubble. This bubble is a thin layer of film. The film is pulled upwards from the die to cool down and winded on the a roll.
Blown film extrusion exists in various layers, the more layers the thicker the film.  The process with more layers is called coextrusion

 

  • Macchi
  • Extrusion
  • blown film
  • 5 layer
  • E18004
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