Reifenhauser 3 layer extrusion line

Machine Reifenhauser 3 layer extrusion line
Reference number E19001
Machine manufacturer Reifenhauser
Type of extruder Blown
Year 1998
Number of layers 3
Diameter die 500 mm
Lip opening 1,8 mm
Diameter screw(s) 70 - 80 - 70
L/D ratio screw(s) 30D
Material & Min — Max thickness 20 - 120 micron
Max. film width 2700 mm
Max. output 500 kg/hour
Rewind type Back-to-back
Max. rewind reel diameter 1000 mm
Rotating, which part Take off
Dosing unit Yes
IBC Yes
Thickness measurement Yes
Inline slitting Yes
Including direct edge re-feeding in extruders
Other information 2010: New cooling ring with measuring system
Special characteristics Calibrating basket
Available from May 2019
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.

Reifenhauser
Blownfilm lines, cast film lines, sheet extrusion and extrusion coating lines are all part of Reifenhäuser products. In 1911 Reifenhauser was founded as a forge. In the 1940’s the first extruder was introduced. In the years after Reifenhauser kept on innovating and inventing new solutions for the extrusion industry. In 2006 Reifenhäuser Extrusion  was founded. Today this Geman company has its own private technocology center for research and development.

  • Extrusion
  • Reifenhauser
  • blown
  • 3layer
  • E19001
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