Reifenhauser, 5 to 7 Layer Co-Extrusion Line, 1998, 1800mm Wide, 450-900 kg/h

Description

  1. Overview
    1. For multilayer pp and pp / evoh-barrier film
    2. Dual technology: heavy gauges by 3-roll horizontal polishing–stack (calender), low gauges by chill casting with air knife
    3. Width: net 1500 - 1650 mm
    4. 450 - 900 kg/h
  2. Tower Construction
    1. With 4 platforms with 11 silos 4 m³, 1 for each component
    2. Automatic distribution to gravimetric dosing-units for each component
    3. Special edgetrim flake-feeding to 1 extruder, 1 hopper loader on floor for spec. adds
  3. Extruders
    1. 5 extruders on platform 1
    2. (2) extruders 50 mmØ, 33v vented, decklerd, 30 kw and 37 kw, bimetallic execution of screw and barrel, manual screen changer
    3. (2) extruders 100 mmØ, 33v vented, deckled, 132 kw, bimetallic screw and barrel, hydraulic screen changer
    4. 1 extruder 70 mmØ, 33v vented, deckled, 65 kw, bimetallic screw and barrel, hydraulic screen changer
    5. Maag meltpumps for each extruder
    6. Vacuum pump, 1 feed-annealing unit
  4. Feedblock and Die
    1. Reicofil 5-7 layer feedblock
    2. T-die: bsk-f 1800 mm wide, with choke bar and flexlip, with side deckling
    3. Coexblock reicofil with exchangeable distribution inserts
  5. Polishing and Cooling
    1. Polishing stack, gka-t, 1800 mm wide, 3 horizontal rolls 490 mmØ, recently renewed, 1 spare roll
    2. 1 airknife with fan, pre edge-trim with exhauster and shredder mill
    3. 3 post cooling rolls 300 mmØ
    4. Kelviplast 4-circuit heating and cooling unit (supply of chilled water e.g. from central station)
  6. Web Handling and Winding
    1. Β-thickness gauge with monitoring unit
    2. Afs corona treatment
    3. Haul-off with electronic tension control
    4. Edgetrim unit with exhaustor with exhauster and shredder mill
    5. E+l web guide
    6. In line slitting unit maier
    7. Accumulator for 25 m web maier
    8. Automatic winder maier, 8-50 m/min for 1-6 webs, for cores for 3" and 6", automatic reel change and large capacity storage with crane-lift
  7. Recycling and Controls
    1. Recycling of edge trim inline with shredder, cyclone and re-feed extruder
    2. Complete set of control cabinets for drives, temperature and pressure control
    3. 400 v + neutral conductor 50 cycles, 230 v control voltage 230 v 50 cycles
    4. Complete electrical and mechanical documentation
  8. Condition
    1. Excellent, taken out of production in 2009