Brückner, Toshiba 1 layers BOPP / BOPET extrusion machine

Number of layers 1
Overhaul/renovation Controls: Inverters and PLC upgraded in 2018.
AC motors for extruders, MDO, TDO, TDO fans,
Winder Mechanical: Most part subject to wear were changed on
regular basis
Material BOPET Application for flexible packaging,
6.8-75 micron thickness)
Output max speed 300m/min
Width (mm) 5600

Extruder 1 Description
Make BARMAG
Type: Cascade Melting screw
diameter 225mm L/D30
Chrome steed Nitrated surface
Motor power 320kW AC, 1750 rpm
Barrel X-Alloy
5 zones heating
High temp Ceramic heaters
water cooled First filter
make: Fluid Dynamics
FIlter area: 17.5 m2 - 25my for gen pure and 60 my for
shirink or mat applications
Metal fiber sintering -153 sheets approx
Disk OD 12 and 2.5"
Metering extruder:
- diameter 225mm L/D17
- Chrome steed Nitrated surface
- motor power 1800 rpm
- High temp Ceramic heaters
- water cooled Second filter
- FIlter area: 17.5 m2 - 15my for gen pure and 25 my for shirink or
40my mat applications
- Metal fiber sintering
-159 sheets approx
- Disk OD 12 and 2.5" Third filter
- 325 mesh filter - H: 294mm

Head description
- T-Die
- Make EDI
- Automatic thickness profile control
- 81 bolts
- bolt's spacing 21mm

Die width 1700mm
Thickness controll system Automatich thickness profile control.
2 thickness scanners: First after chill roller, second on
Pull roll system Type of gauges kr85, sources year 2019
Chill roll unit
Chill roll: - Main chill roll Diam 1300mm - face width 2000mm
- speed from 8,2m/min to 82 m/min - main motor 5,5kW AC
- typical temperature approx 60C

Edge pinning:
- Make: MEK
- Wire material Tungsten
- Pipe material: Double walled Teflon
- Wire diam 0,2mm

MDO description
General: - Make: Toshiba
- Before stretch speed: 20-75 m/min
- After stretch speed: 40-300m/min
- Drawing pattern:
Horizontal Preheating section: - 19/2 rollers - diam 200 and 230mm
- Surface: Chrome plated + rubber
- Typical temperatures 40-130C
- Heated by hot water and steam
Stretching section:
- 2 sections 4/4 rollers - diam 200 and 150mm
- Surface: Chrome plated + rubber + Ceramic
- Typical temperatures 20-130C
- Heated by thermal oil
SCooling section:
- 2 sections 6/1 rollers
- diam 200 and 230mm
- Surface: Chrome plated
- Typical temperature 20-60C
Temperature control:
- Main unit TC2 1-10
- Auxiliary hating IR hts (Upper)
- Heating via: Water, team, thermal oil
Drive: -MD1: 15 kW AC - MD2: 30kW AC - MD3: 30 kW AC - MD4: 55kW AC
In line coater make: Weltec

TDO description
General: - Make: Bruckner
- Stainless steel ducting and case
- Inlet width 1250-1750mm
- outlet width 4750-6250mm
- Motorised adjustment of truck's width
- max speed 300m/min
- motor drive 110 kW AC
- Air flow controlled via inverters on fans motors
- clip type with 4 roller bearings
- chain tension hydraulic
- quantity 2054 clips
- chain lubrification: inlet 2 positions.
Out let 2 positions
- 8 shutters Zones:
- Preheating: 2 zones: 2x 4,5m length
- Stretching: 3 zone:s 1x 4,5m and 2 x3m length
- Annealing: 5 zones: 5x 3m length
- Cooling: 2 zones: 2x 3m length
- Neutral: 2 zones: 2x 1,5m length
Air flow:
- Preheating: 12-33 m/s , CAU1: 140m3/min
- Stretching: 9-18 m/s, MEF1: 140m3/min
- Annealing: 9-18 m/s CAU2: 240m3/min
- Cooling: 9-16 m/s MEF4 152m3/min + MEF3 648m3/min
- Neutral: MSF4 132 m3/min +MEF2 160m3/min+CAU4 648m3/min
- Outlet: MEF14 200 m3/min
Temperature:
- Preheating: 90-120C
- Stretching: 65-140C
- Annealing:max 240C

Corona treatment yes 2 side recently replaced
Pull roll unit - make Toshiba - drive motors 15kw and 11kw AC
- working width before trim 5900mm, 5700mm after trim
- rolls face width 6000mm - electrostatic discharge
- Web cleaner on top side - Clean both: Olefin - Trimming via razor blades
Rewinder width 6000mm
Rewinder description - Make : Kampf -type turret with flying splice
- cores 400mm diam 6000mm width - Diam 1200mm
- 1 motor 20kW 2x motors 15 kW
Slitter Make Kobaiashi, width 6.000 mm, 9 couples of arms +
2 trim winders, driven position of arma, 3 and 6 inches cores for winders
Note Material feeding: - 2 batch type resin dryers, 2x coolers.
2 x vacuum pumps. Capacity 67 Ton/day, Make Mitsubishi, Steam heated -
Silo with agitator for fluff of edges and start up -
vacuum hopper 3 tons Included 1 x Erema recycling machine:
- densifier - Recycling extruder with degassing - water cooling
- capacity 600 kg/h In line grinder for edges Inline grinder for
start ups and web breaks