Brückner 3 layers BOPP / BOPET extrusion machine

Number of layers 3
Film structure ABC
Material BOPP
Output max output 4000 kg/h, mechanical speed 450 m/min,
max production speed 425 m/min.
Total extrusion capacity: 5080 kg/h
Width (mm) 8200
Extruder 1 Description Layer A - Single screw extruder, screw diam mm,
max through put 290 kg/h
Extruder 2 Description Layer B - Co-rotating twin screw extruder,
make Kraus Maffei max through put 4500 kg/h. Vacuum box.
Melt pump. Candle type screen
Extruder 3 Description Layer A - Single screw extruder,
screw diam mm, max through put 290 kg/h
Head description Make Simplas. automatic thickness profile control
via thermal bolts
Die width 1200
Thickness controll system Automatic thickness control.
2 thickness gauges make Thermo scientific
(after chill roll and on pull roll unit)
Chill roll unit Chill roll in water bath
MDO description 18 Pre-Heating rollers; 6 stretching rollers,
4 annealing rollers
TDO description Oil heated TDO
Corona treatment make: Mero
Flame treatment make: Esseci
Rewinder width 8200mm net film width
Rewinder description Turret type, auto splicing.
450m/min mechanical speed

Slitter
Primary slitter make Atlas,width 9.000mm, max speed 1000 m/min,
rewinder with independent stations with couples of arms, center driven.
Each couple of arm with independent drive. motorised position of
arms and blades. Tot 18 winding stations. Max reel diameter unwinder
1350mm. max reel diam rewinder 1200mm.
Width range on winding stations: 350-2500mm

Note
- PLC Siemens S7 and IPC automation system
- 2x thermal oil boilers
- 3x Childers
- 3x air compressors
- Film winder over head crane 12T
- Primary slitter over head crane 12T
- Maintenance Hoists and cranes