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Bruckner, BOPET Film Line, 1994, 6200mm Max Width, 2000 kg/h Capacity, 2 Extruders

Description

  1. Overview
    1. Bi-axial film extrusion and stretching line
    2. Year: 1994
    3. Manufacturer: Bruckner
    4. Biaxial material type: BOPET
    5. Film width (max): 6200 mm
    6. Number of extruders: 2
    7. Output capacity: 2000 kg/h
  2. Main Extruder
    1. Screw diameter: 200 mm
    2. Screw L/D ratio: 30
    3. Capacity: 2000 kg/h
    4. Melt filter: 22 m², 2x 180 filter discs (12”, 20 μm)
  3. Satellite Extruder (Coextruder)
    1. Capacity: 350 kg/h
    2. Screw diameter: 90 mm
    3. Screw L/D ratio: 30
    4. Filter: 3.8 m², 2x 35 filter discs (12”, 20 μm)
  4. Melt Die
    1. 2 melt dies
    2. Slot width: 1967 mm
  5. Casting Unit
    1. Chill roll diameter: 1200 mm
    2. Chill roll width: 2200 mm
    3. Band pinning
  6. Mdo (Machine Direction Orientation)
    1. 2 gap stretching, V1 = 3 – 95 m/min, V2 = 9 – 275 m/min
    2. 6 preheating rollers, d = 300 mm, b = 2200 mm
    3. 4 stretching rollers, d = 200 mm, b = 2200 mm
    4. 3 cooling rollers, d = 200 mm, b = 2200 mm
  7. Tdo (Transverse Direction Orientation)
    1. Inlet width: 1500 mm – 1900 mm
    2. TDO outlet: 5800 mm – 6500 mm (max stretching width 7000 mm)
    3. Transport system: sliding chain FOK 4.4.4
  8. Prs (Post-Reheat System)
    1. Automatic thickness measurement control system
    2. Corona on bottom and upper side
  9. Winder
    1. Max roll diameter: 1000 mm
    2. Max film width: 6200 mm
    3. Cores: d = 450 mm, b = 6800 mm
    4. Oscillating
    5. CFK contact roll
  10. General Specifications
    1. Line speed: 275 m/min
    2. Thickness range: 8 – 50 μm, plain film + coex film
    3. Design throughput: approx. 11,200 T/year
    4. Electric: 3x380 V, 50 Hz
    5. Nominal line output for 6100 mm net film width trimmed on winder mill roll
    6. Can be seen in production
    7. Delivery time: end of 2011