Blown Film Lines

With AMUT DOLCI BIELLONI extrusion lines synergically conceived with the clients, several products of daily use are obtained: carrier bags, refusal sacks, thermoshrinkable film, stretch hoods, stretch films, bags for vacuum/ controlled atmosphere food packaging, film for diapers, coextruded film for the most diversified packaging applications and for agrifilm.

Co-extrusion lines from 3 to 9 layers structures with different level of automation, including:

  • Gravimetrics for resins and recipes
  • Automatic cooling rings for accurate film thickness control
  • Automatic manipulators for shaft, rolls and cores handling

Main Features:

FEEDING Gravimetric groups, continuous or batch type, up to 6 hoppers for extruder
EXTRUDERS SIZE 45 - 55 - 65 - 75 - 90 - 105 - 120 - 150 - 160 - 180 DEKC; L/D 30 - L/D 32
HEAD Multisplit type
Pancake multilayers
COOLING Dual lip type ring, automatic rings, stationary or rising-type
IBC (internal bubble cooling)
BUBBLE GUIDING With ultrasonic sensors for IBC, with no scratch contact guiding sleeves
TAKE-UP UNIT 3600C oscillating on air cushion rolls
Net width up to 3500 mm
Gusseting systems and water cooling systems
WINDERS Single station, back-to-back or front-to-front configuration
Contact, axial, gap or reverse winding
Reels diameter: 800 - 1000 - 1200 mm (up to 2000 for heavy duty sacks)
SUPERVISOR Operator friendly line supervisor, model "Logicontrol 2.0"
IN-LINE PRINTING Flexoprinting unit (4-6-8 colours) in line with extrusion line

Technical Features:

APPLICATIONS WIDTH (Layflat) NUMBER OF LAYERS THICKNESS RANGE
Film for heavy duty bags 800 -1000 mm 1/3 40 - 180 µ
Quality technical films for food packaging and general applications 1200 - 1400 - 1600 - 1800 - 2000 -2200 mm 3/5 20 - 250 µ
Barrier films (for gas barrier and non-gas barrier film for food vacuum packaging and technical applications) 1300 - 1600 mm 5/7/9 25-200 µ
Blown stretch wrap film and Agristretch film 1800 - 2250 mm 3/5 15 - 35 µ