Bruckner, 1988, 7400mm Width, 3 Layers, BOPP Film Extrusion Line

Description

  1. Overview
    1. Number of layers: 3
    2. Film structure: A B C
    3. Material: BOPP
    4. Output: 2500 kg per hour
    5. Width: 7400 mm
  2. Extruders
    1. Extruder 1: 1 x 200 mm diameter L/D 21 + 1 sequence 1 x 250 L/D 20
    2. Extruder 2: 1 x 90 coex
    3. Extruder 3: 1 x 90 coex
  3. Head
    1. 7 heating zones
    2. 45 kW heating power
    3. Lips 1.7 - 3.5 mm
    4. Die width: 1054 mm
  4. Thickness Control System
    1. Automatic by 37 heating bolts
    2. Two thickness controls new by electronic system
  5. Chill Roll Unit
    1. Width: 1400 mm
    2. Diameter: 2400 mm
  6. Mdo Description
    1. Pulling unit thermo heated calenders
    2. Rollers width: 1200 mm
    3. MDO ratio 1:1 / 10:1
    4. Slow section: 2 x 60 meters per minute
    5. High speed section: 9 x 250 meters per minute
    6. Preheating calenders: 18
    7. 6 pulling rollers
    8. 2 stabilizing rollers
  7. Stretching
    1. Maximum stretching width: 8500 mm
    2. Effective max width capacity: 6700 to 7500 mm
    3. 7 heating zones by air blowers and thermo oil heaters
  8. Treatments
    1. Corona treatment: yes, two corona treaters
    2. Flame treatment: yes
  9. Rewinder
    1. Rewinder width: 7200 mm
    2. Diameter mandrels: 450 mm
    3. Length mandrels: 7800 mm
    4. Winding speed: 250 meters per minute
    5. Tension film: 150/700 N
    6. 2 alternating winding stations
  10. Slitter
    1. Year: 1988
    2. Maximum width film: 7200 mm
    3. Diameter unwinder: 1000 mm
    4. Diameter rewinder: 900 mm
    5. Minimum cut: 200 mm
    6. Maximum cut: 2000 mm
    7. Maximum cut speed: 800 meters per minute
  11. Additional Information
    1. Trim exhausting grinding and recirculating unit
    2. Overhaul/renovation: several