Nokia / Bone, Stretch Film Extrusion Line, 1985, 2000mm Width, 230 Tons/Month Capacity, 2 Extruders

Description

  1. Overview
    1. Net width and capacity: 2000 mm
    2. Monthly capacity: approx. 230 tons
    3. Film structures: AB or ABA
    4. Products: stretch films 15…80 µm and embossed films 18…50 µm
    5. Working speed: 180-220 m/min
  2. Extruders
    1. Two extruders – Nokia 6” (152 mm) and Bone 3 ½” (76 mm)
    2. Heating zones on extruder A: 5
    3. Heating zones on extruder B: 6
    4. DC drives on extruders
    5. Power of extruder A drive: 240 kW
    6. Power of extruder B drive: 120 kW
  3. Die and Thickness Control
    1. Die width: 2500 mm
    2. Heating zones on die head: 9 and 49 heated die bolts
    3. Die head equipped with automatic thickness control system that regulates the opening of the die
    4. Thickness control system: Ohmart
  4. Chill Roll System
    1. Air knife and two chill roll system with diameter 600 mm
    2. One chill roll for embossed films
    3. Equipped with special microgrooved chill roll with water, 2000 mm wide, for the production of embossed films
  5. Corona Treatment and Winding
    1. Corona treatment: Sherman; side can be chosen
    2. Slitter winder: Dolci (center – surface driven), max roll diameter 800 mm
    3. Slitter winder: core diam. 76 or 152 mm
    4. In-line slitting system
    5. Semiautomatic loading of shafts at the winder
    6. Semiautomatic unloading of finished rolls
  6. Edge Trim and Recycling
    1. Edge trim recycling via rapid grinding back to main extruder
  7. Line Control and Dosing
    1. Line control: Egan CMR 2000
    2. 1 x dosing unit, 2 components
  8. Power Requirements
    1. Power installed: drives total 400 kW / 150-200 kW and heaters 212 kW / 80 kW
    2. Power consumed: 0.75 kWh/kg of film; includes cooling and lights
    3. Chiller not included. Capacity required: 200 kW
  9. Condition and Availability
    1. Machine can be seen in production
    2. Delivery time: immediately