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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
- BO59
- Manufacturer
- BRUCKNER
- Year
- 1996
- Number of layers
- 3
- Film structure
- Film width 6300 mm on winder
- Material
- BOPP
- Output
- 2060 Kg/h
- Width (mm)
- 6300
- Extruder 1 Description
- output 105 kg/hr each; L/D 32:1, 100 rpm.
- Extruder 2 Description
- Cascade main extruder, 290 rpm; L/D: 21, 510kw DC.
- Extruder 3 Description
- output 105 kg/hr each; L/D 32:1, 100 rpm.
- Die width
- 833
- Chill roll unit
- Chill roll, Air knife, film and chill roll drying system, water bath.
- MDO description
- 10 pre-heating rolls-oil heating; 6 stretching rolls-circulating oil; 2 annealing rolls-electrical heaters; 5 nip rolls; stretching ratio 1:1 - 1:7; Aux, winder.
- TDO description
- Chain and chain track system F.O.K 4.4.2; Heating system: circulating air via individual heating system/zone (oil heating, motors, fans, sensor, etc); edge guide system at inlet.
- Corona treatment
- 2 corona treatment stations (up and down - Double tretaed)
- Pull roll unit
- Cromed Rolls chilled by water; Edge trim on-line recycling unit; Thickness Gauge Pm 147.
- Rewinder width
- 7000
- Note
- Max mechanical speed: 250 m/min / upgraded to 300 m/min; AC and PLC:-fully integrated system PLC with 3 operator workstations with trends and reports; Utilities:- Compressor, Boiler, Silos, Mill Rolls, Mill roll Stands (corona and nip), Nip Rolls stands, Over Head Crane (10TM).
| Machine Code | BO59 |
| Manufacturer | BRUCKNER |
| Year | 1996 |
| Number of layers | 3 |
| Film structure | Film width 6300 mm on winder |
| Material | BOPP |
| Output | 2060 Kg/h |
| Width (mm) | 6300 |
| Extruder 1 Description | output 105 kg/hr each; L/D 32:1, 100 rpm. |
| Extruder 2 Description | Cascade main extruder, 290 rpm; L/D: 21, 510kw DC. |
| Extruder 3 Description | output 105 kg/hr each; L/D 32:1, 100 rpm. |
| Die width | 833 |
| Chill roll unit | Chill roll, Air knife, film and chill roll drying system, water bath. |
| MDO description | 10 pre-heating rolls-oil heating; 6 stretching rolls-circulating oil; 2 annealing rolls-electrical heaters; 5 nip rolls; stretching ratio 1:1 - 1:7; Aux, winder. |
| TDO description | Chain and chain track system F.O.K 4.4.2; Heating system: circulating air via individual heating system/zone (oil heating, motors, fans, sensor, etc); edge guide system at inlet. |
| Corona treatment | 2 corona treatment stations (up and down - Double tretaed) |
| Pull roll unit | Cromed Rolls chilled by water; Edge trim on-line recycling unit; Thickness Gauge Pm 147. |
| Rewinder width | 7000 |
| Note | Max mechanical speed: 250 m/min / upgraded to 300 m/min; AC and PLC:-fully integrated system PLC with 3 operator workstations with trends and reports; Utilities:- Compressor, Boiler, Silos, Mill Rolls, Mill roll Stands (corona and nip), Nip Rolls stands, Over Head Crane (10TM). |
BRUCKNER TOSHIBA
-
Machine Code: BO94
-
Year: 1991
-
Width (mm): 5700
MITSUBISHI
-
Machine Code: BO102
-
Year: 2001
-
Width (mm): 4200
