3 layers BRUCKNER BOPP / BOPET tenderframe plant

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.

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Machine Code
BO84
Manufacturer
BRUCKNER
Year
1989
Number of layers
3
Material
BOPP
Output
1,450 kgs/h
Width (mm)
6200
Extruder 1 Description
Cascade type. Output 1,450 kg/h, screw diam 150mm L/D 20 (Melt) +200 mm L/D 20 (Metering)
Extruder 2 Description
Output 280 kg/h,screw diam 110mm L/D29
Extruder 3 Description
Output 140 kg/h, screw diam 60mm L/D32
Die width
883 mm
Chill roll unit
Chill roll in water bath, Air knife, film and chill roll drying system, water bath
MDO description
10 pre-heating rolls-oil heating ; 6 stretching rolls ; 2 annealing rolls-oil heating ; 5 nip rolls; stretching ratio 1:1-1:8 ; Aux, winder.
TDO description
Chain and chain track system F.O.K 4.4.2 ; Heating system: circulating air vai individual heating system/zone (steam heating, motors, fans, sensors, etc); Edge guide system at inlet.
Corona treatment
3 corona treatment stations 1 up and 2 down - Double treated
Pull roll unit
Chromed Rolls chilled by water ; Edge trim on-line recycling unit; Thickness Gauge (film)
Rewinder width
6400 mm
Slitter
GOEBEL INTERSLIT 6500, year 2016. Material BOPP 10-80um, Max.Webwidth - 6200mm, UnwinderDia - 1300mm, Max. rewind dia - 1250mm, grooved roller pitch of 5:5, 1.5mm groove, 3.5mm tie, depth 3mm, slittingwidth(min-max) 270-2500mm,Max. finished roll weight - 2000kg, No. of rewind stations: 12 pcs, Machine speed - 800 m/min,Trim Winder - width: 30-150mm, dia: 450-1200mm.
Note
PLC and Drive upgraded
Machine Code BO84
Manufacturer BRUCKNER
Year 1989
Number of layers 3
Material BOPP
Output 1,450 kgs/h
Width (mm) 6200
Extruder 1 Description Cascade type. Output 1,450 kg/h, screw diam 150mm L/D 20 (Melt) +200 mm L/D 20 (Metering)
Extruder 2 Description Output 280 kg/h,screw diam 110mm L/D29
Extruder 3 Description Output 140 kg/h, screw diam 60mm L/D32
Die width 883 mm
Chill roll unit Chill roll in water bath, Air knife, film and chill roll drying system, water bath
MDO description 10 pre-heating rolls-oil heating ; 6 stretching rolls ; 2 annealing rolls-oil heating ; 5 nip rolls; stretching ratio 1:1-1:8 ; Aux, winder.
TDO description Chain and chain track system F.O.K 4.4.2 ; Heating system: circulating air vai individual heating system/zone (steam heating, motors, fans, sensors, etc); Edge guide system at inlet.
Corona treatment 3 corona treatment stations 1 up and 2 down - Double treated
Pull roll unit Chromed Rolls chilled by water ; Edge trim on-line recycling unit; Thickness Gauge (film)
Rewinder width 6400 mm
Slitter GOEBEL INTERSLIT 6500, year 2016. Material BOPP 10-80um, Max.Webwidth - 6200mm, UnwinderDia - 1300mm, Max. rewind dia - 1250mm, grooved roller pitch of 5:5, 1.5mm groove, 3.5mm tie, depth 3mm, slittingwidth(min-max) 270-2500mm,Max. finished roll weight - 2000kg, No. of rewind stations: 12 pcs, Machine speed - 800 m/min,Trim Winder - width: 30-150mm, dia: 450-1200mm.
Note PLC and Drive upgraded
DMT TDO unit for PVC shrink labels
DMT
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