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Film Blowing Unit brabender metal isometric view with shadow
Film blowing and take-off unit
Intended use
Simultaneous blowing up, cooling, taking off, and winding up extruded films
 
  • Realistic production simulation
  • Expandable with Film Quality Analyzer
  • Pressure control
  • CAN bus
 
Simultaneously blows up, cools, takes off, and winds up extruded films
The bubble diameter and film thickness can be adjusted precisely. The film blowing and take-off unit can be controlled manually or through the PC (via CAN bus).
 
Depending on the material, common blowing ratios are 1 : 2 up to 1 : 4. These can be controlled automatically with an optional film width control.
 
In combination with the Film Quality Analyzer, the purity of the film can be checked continuously during take off.

Film Blowing Unit

Quantity

  • Film Quality Analizer

    An additional Film Quality Analyzer mounted into the film blowing tower enables simultaneous purity tests.

  • Nip rolls 84 mm Ø, 230 mm long
    Winder hard paper winding sleeve, 84 mm Ø

    max. winding dia. 300 mm
    Expander roll 60 mm Ø, 280 mm long, herringbone profile
    Drive inverter drive, 0.37 kW

    take-off speed: 1...25 m/min
    Supporting air max. 5 bars compressed air input

    pressure control through integrated pressure regulator
    Cooling air low pressure blower 

    approx. 130 mbars, 3 m3/min
    Dimensions (H * W * D) 2410 * 870 * 950 mm
    Mains 230 V, 50...60 Hz
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