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Colines, HANDROLLEX 1000-a, 2008, 3-Layer Cast Stretch and PP Film Line, 2 x 500 mm Film Width, 600 kg/h, Corona Treatment Included

Colines, HANDROLLEX 1000-a, 2008, 3-Layer Cast Stretch and PP Film Line, 2 x 500 mm Film Width, 600 kg/h, Corona Treatment Included

Description

  1. Overview
    1. Built December 2007, put into operation 2008
    2. Corona treatment included
  2. Specifications
    1. Coextrusion structure: A-B-C, layer split 20% / 60% / 20%
    2. Useful film width: 2 x 500 mm (2 x 19.7 in)
    3. Film thickness: 15 to 50 microns
    4. Maximum mechanical line speed: 600 m/min (1,969 ft/min)
    5. Capacity: 600 kg/h (1,323 lb/h) at 23 microns
    6. Industrial water: minimum 3 bar, 15 C (59 F), negligible consumption
    7. Compressed air: 6 bar (87 psi), dry and clean, 4 m3/h (141 cu ft/h)
  3. Line Composition
    1. 3 automatic hopper feeders
    2. 1 single-screw extruder, 100 mm (3.9 in), L/D 30, with 167 kW (224.0 hp) AC motor and encoder
    3. 2 single-screw extruders, 60 mm (2.4 in), L/D 30, each with 71.8 kW (96.3 hp) AC motor and encoder
    4. Thermal exchange unit for the feed sleeve thermoregulation
    5. 3 pressure and temperature transducers with digital displays and alarms
    6. Lever screen changers with pawl for all 3 extruders
    7. Extruder support framework and heated conveying units
    8. 3-layer feedblock (Farkon) for the film structure and layer distribution
    9. Flat extrusion die (Farkon), 1,550 mm (61 in) wide, with automatic adjustment and bearing cart
    10. Vacuum air knife with piping and fan
    11. 2 edge pinning units with independent generators
    12. Chill roll unit, 960 mm (37.8 in) roll, with AC drives, rotary joints and rubber-covered cleaning roll
    13. Water thermoregulation unit with a separate chill-roll cooling circuit
    14. Side-slip unit
    15. Haul-off with automatic edge trim, band slitting and band separation
    16. Turret winder with automatic roll change, contact roll, cross cutting, core loading and roll discharge to trolleys; weighing belt; 4 x 2 in shafts for hand rolls and 4 x 3 in shafts for machine rolls
    17. Core storage rack
    18. Edge trim suction with granulating and in-line refeed to the 100 mm (3.9 in) extruder
    19. General electrical control equipment and a centralized line control desk
    20. Thickness measuring and control system with video, product coding and self-diagnosis units
    21. Automatic chill roll speed regulation and automatic die bolt adjustment
    22. Refrigeration unit (Eurochiller) with piping, tank and recirculation pump