Reifenhauser, 2008, 5 Layers, 2200mm Width, CPP Cast Film Extrusion Line

Description

  1. Overview
    1. 5-layer cast film line with ABBBC film structure
    2. Material: CPP
    3. Film width: 2200 mm
    4. Speed: 200 m/min
    5. Extruders manufactured in 2003; remaining parts from 2008
  2. Extruder 1 (Layer A)
    1. Screw diameter: 70 mm, L/D 25
    2. DC motor: 65 kW
    3. Barrel: Reiloy 121
    4. Manual screen changers
    5. Gravimetric dosing unit
  3. Extruder 2 (Layer B)
    1. Screw diameter: 120 mm, L/D 30
    2. DC motor: 157 kW
    3. Barrel: Reiloy 121
    4. Manual screen changers
    5. Gravimetric dosing unit
  4. Extruder 3 (Layer C)
    1. Screw diameter: 50 mm, L/D 25
    2. DC motor: 30 kW
    3. Barrel: Reiloy 121
    4. Manual screen changers
    5. Gravimetric dosing unit
  5. Die and Head
    1. Head: Reicofeed 5-layer ABBBC
    2. Automatic thickness profile control
    3. Flexlip and thermal bolts
    4. Air knife
    5. Die width: 2500 mm
  6. Chill Roll Unit
    1. Diameter: 800 mm
    2. Edge pinning
    3. Vacuum box
  7. Thickness Control System
    1. Automatic thickness profile control
    2. Thickness gauge: beta rays (Kr 85)
    3. Regulation via thermal expansion bolts
  8. Rewinder
    1. Model: MFA-D 1000
    2. Maximum reel diameter: 1000 mm
    3. Automatic change and inline slitting
  9. Additional Equipment
    1. Edge trim recycling