W&H 5 layer cast extrusion line

Machine W&H 5 layer cast extrusion line
Reference number E16028
Machine manufacturer W&H
Model Filmex
Type of extruder Cast
Year 1993-1995
Number of layers 5
Diameter screw(s) 120, 70x2, 45x2
Material & Min — Max thickness CPP, PA, EVOH, Carasine, PE
Max. film width 1920 mm
Min. — Max. film thickness 20 – 250 mu
Max. output 350 kg/hour
Rewind manufacturer W&H
Max. rewind reel diameter 1000 mm
Number & sizes airshafts for winder 152 x 2
Edge guide(s) Yes, BST
Corona treater Yes, 2x
Manuals available Yes
Spare parts Extra die
Available from Now
Machine can be seen in production? Yes
Subject to unsold. Although believed to be correct, the machine specifications and lists supplied are based solely upon those provided by the original owners.

W&H, Windmöller & Hölscher
The W&H Group produces extruders, printing presses en converting machines. For more than 140 years W&H has been manufacturing converters for flexible packaging. They have sold over 5000 machines in more than 140 countries. This German based company has its plant in Lengerich.

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. Cast Film Lines

In the process of cast extrusion polymer travels through a flat die system. For mono-layer extrusion only the die is required. For co-extrusion besides the die you need also aa feedblock.

The extruders melt and mix the material, they filter it and i t will be be fed to the die system. The molten curtain enters the cooling unit directly after leaving the die. A roll cooled by water will freeze the film.
The edges will be trimmed and when required corono treatment is applied. The last stage of the process is winding the film onto rolls.

  • Extruder
  • Used
  • W&H
  • E16028
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