Brückner 5 layers BOPP / BOPET tenderframe plant

Number of layers 5
Overhaul/renovation 2017
Film structure ABCDE
Material BOPP
Output Output 4000kg/h. Max speed 400 m/min
Width (mm) 8200

Extruder 1 Description
Main extruder layer C:
-year 2017
- type twin co-rotating screw, model ZE130/34D
- Barrel diam 140mm L/D34
- Speed nominal 300 rpm
- Output 4500 kg/h
- Gravimetric blender 4 components, mixing hopper
- Drive AC motor 1100 kW
- 6 heating zones, 204 kW, Water cooled
- Melt pump 60 kW ac motor
- Filter: Long life candle type with 48 candles, 5,3 m3

Extruder 2 Description
Coex 1 - Layer A
- type single screw, BS-PP 105/33D/
- speed 120 rpm - output 290 kg/h
- Screw diameter 105mm L/D33
- 5 zones heating 80 kW
- AC motor 135kW
- Filter: double screen changer
- Gravimetric blender 4 components, mixing hopper

Extruder 3 Description
Coex 1 - Layer A
- type single screw, BS-PP 175/33D/
- speed 120 rpm - output 290 kg/h
- Screw diameter 105mm L/D33
- 7 zones heating 315 kW
- motor 135kW
- Filter: Consisting of 4 candles, flat screen
- Gravimetric blender 4 components, mixing hopper

Extruder 4 Description
Coex 1 - Layer A
- type single screw, BS-PP 175/33D/
- speed 120 rpm - output 290 kg/h
- Screw diameter 105mm L/D33
- 7 zones heating 315 kW
- motor 135kW
- Filter: Consisting of 4 candles, flat screen
- Gravimetric blender 4 components, mixing hopper

Extruder 5 Description
Coex 4 - Layer E
- type single screw, BS-PP 105/33D/
- speed 120 rpm
- output 290 kg/h
- Screw diameter 105mm L/D33
- 5 zones heating 80 kW
- AC motor 135kW
- Filter: double screen changer
- Gravimetric blender 4 components, mixing hopper

Head description Head description: T Extrusion die with automatic thickness control
via flexible lip design allows manual and electrical adjustment of the gap.
For automatic die gap adjustment electrically heated die bolts are used.
Quick acting Push/pull bolt, scontinuous closed loop temperature control of
bolt heaters by advanced solid state relais
Die width 1140mm, gap 1,7-3,5mm
Thickness controll system controll system: Automatic thickness profile control, Thickness gauge via beta rays, source: Promethium 147
Chill roll unit Chill roll unit: Chill roll in water bath -Chill roller dial 2800mm,
working width 1200mm, face width 1400mm - AC direct drive of rolls
- Speed 10-70 m/min - cooling 625 kW throughput chill roll 320 m3/h water
- cooling 1.000 kW throughput water bath 200 m3/h water
- Nip roller torque controlled - Air knife with edge pipes
- take off (400mm diam) and guide rolls (220 mm diam)
- Water removal from roller and film - Driven nip roll
MDO description MDO description: - Stretching ratio: 1 : 1 - 1 : 8 - Direct drive with
independent motors in electronic line shaft,
Multipole synchronous permanent magnet torque motor
- Max stretch force 25kN - 16 pre heating roll, - 6 stretching roll - 4 annealing roll
- Pre heating rollers diam 614mm, 8 chrome plated, 12 teflon plated
- Stretching rollers 150mm diameter, Chrome plated, Nip rollers 150mm diameter Rubber covered - Annealing rollers 614mm diam 4 Chrome plated ,
2 Rubber covered - Web threading system - Film Breacker detector
- All motors are equipped with fully digital vector controlled converters

TDO description
TDO description: Stretching ratio: 1:8-1:10 Indeed width: 950
-1100mm Exit width: 7.500-8500mm
Sections: - Pre heating: 22.5m in 5 sections of 4,5m each
- Stretching: 15m in 5 sections of 3m each
- Annealing 18m in 6 sections of 3m each
- Neutral section
- Cooling section7,5m in 2x 3m + 1x1,5m - Edge cooling
- Exit 1,5m Chain and track system FOK 4.4.4.
- Type sliding chain with lubrification
- Pitch 60mm - Clip width 115mm
- Magnetic opening and closing system Edge Tracker7 Inlet Drive by
2 AC regenerative motors Heat source: Therma oil
Corona treatment 3 Corona treatment, driven and cooled

Pull roll unit
- Cooling inlet
- 3 x Corona treatments
- Edge puller and trim
- Cooling outlet

Rewinder description
- Face width width 8600mm,
- Working width: 6.500 - 8.200 mm
- Max reel diam 1350mm
- core 550mm
- Turret type
- AC motors drive

Slitter Primary slitter included
Note Edge trim and re-feeding system: - automatic pulling, cutting and conveying,
independent from line speed and thickness of film - Grinder capacity 900kg(h -
pneumatic flake conveying system Feeding: Granulate silos 2 x 80 m2,
degranulate silos 1x 80 m3, Conveying system,
- IPC Server control system and Siemens S7 PLCs