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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
- BO45
- Manufacturer
- BRUCKNER
- Year
- 2005
- Number of layers
- 3
- Film structure
- ABC
- Material
- BOPP
- Output
- 4000 kg/h - Mechanical speed 450mt/min
- Width (mm)
- 8200
- Extruder 1 Description
- Cascade type extruder: Melting extruder 250mm, Metering extruder
- Extruder 2 Description
- screw diam 105mm , dosing system gravimetric 4 component
- Extruder 3 Description
- screw diam 105mm , dosing system gravimetric 4 components
- Head description
- width 1140mm, Gap: 1,7-3,5mm, air blade e vacuum box
- Die width
- 1140mm
- Thickness controll system
- Automatic
- Chill roll unit
- Diam 2800mm, in water immersion,
- MDO description
- Preheating section: 16 rollers 614mm, Stretching section rollers diam 150, anelling section 4 rollers 614mm
- TDO description
- preheating section (21m); 5 stretching section(15m); 5 annealing section (16,5m). Clips type FOK4.4.4, sliding. Clip's width 115mm. 1110 clips each chain.
- Corona treatment
- Yes 2 side
- Pull roll unit
- Rollers diam 450-475mm
- Rewinder width
- 8200mm net
- Rewinder description
- Turret type. Automatic reel change
- Slitter
- Atlas
- Note
- edge trim and re-feeding system.
Machine Code | BO45 |
Manufacturer | BRUCKNER |
Year | 2005 |
Number of layers | 3 |
Film structure | ABC |
Material | BOPP |
Output | 4000 kg/h - Mechanical speed 450mt/min |
Width (mm) | 8200 |
Extruder 1 Description | Cascade type extruder: Melting extruder 250mm, Metering extruder |
Extruder 2 Description | screw diam 105mm , dosing system gravimetric 4 component |
Extruder 3 Description | screw diam 105mm , dosing system gravimetric 4 components |
Head description | width 1140mm, Gap: 1,7-3,5mm, air blade e vacuum box |
Die width | 1140mm |
Thickness controll system | Automatic |
Chill roll unit | Diam 2800mm, in water immersion, |
MDO description | Preheating section: 16 rollers 614mm, Stretching section rollers diam 150, anelling section 4 rollers 614mm |
TDO description | preheating section (21m); 5 stretching section(15m); 5 annealing section (16,5m). Clips type FOK4.4.4, sliding. Clip's width 115mm. 1110 clips each chain. |
Corona treatment | Yes 2 side |
Pull roll unit | Rollers diam 450-475mm |
Rewinder width | 8200mm net |
Rewinder description | Turret type. Automatic reel change |
Slitter | Atlas |
Note | edge trim and re-feeding system. |
DMT TDO unit for PVC shrink labels
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Machine Code: BO68
-
Year: 2004
-
Width (mm): 2500