3 layers BRUCKNER BOPP / BOPET extrusion machine ** SOLD ** Ask more informations about a similar one

Biaxially oriented polypropylene (BOPP) and Biaxially oriented polyester (BOPET) are commonly produced in tender-frame lines. In these lines material is melted through a flat extrusion die (T-die) and solidified onto a cooled roller. Material is then stretched in machine direction in an MDO. Thereafter material is stretched in transversal direction in a TDO. These processes deliver a molecule orientation in both axes, this enhances many of their properties, particularly the mechanical, impact, barrier and optical properties.

Machine Code BO37
Manufacturer BRUCKNER
Year 2003
Number of layers 3
Film structure ABC
Material BOPP
Output 3600KG/H , MECHANICAL SPEED 400M/MIN
Width (mm) 8200
Extruder 1 Description Cascade type extruder: Melting extruder 250mm, Metering extruder 300mm. Candle type screen ,31 candels 3,4 sqm
Extruder 2 Description screw diam 105mm , dosing system gravimetric 4 components
Extruder 3 Description screw diam 105mm , dosing system gravimetric 4 components
Head description Make EMO (Austria), width 1140mm, Gap: 1,7-3,5mm, air blade e vacuum box
Die width 1140mm
Thickness controll system Automatic Scantech
Chill roll unit Diam 2800mm, in water immersion,
MDO description Preheating section: 16 rollers 614mm, Stretching section rollers diam 150, anelling section 4 rollers 614mm
TDO description 5 preheating section (21m); 5 stretching section(15m); 5 annealing section (16,5m). Clips type FOK4.4.4, sliding. Clip's width 115mm. 1110 clips each chain.
Corona treatment Yes 2 side 50Kw
Pull roll unit Rollers diam 450-475mm
Rewinder width 8200mm net
Rewinder description Turret type. Automatic reel change
Slitter Kampf moodel U680A speed 1200m/min, 14 pairs of arms. Max width of finisched reels 2500mm, min width of finished rels 325mm
Additional information edge trim and re-feeding system.

** SOLD **


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