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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
- BO35
- Manufacturer
- BRUCKNER - DORNIER
- Number of layers
- 5
- Overhaul/renovation
- Origina year of manufacture: 1987, significant renovations between 1996 and 2012 seee add info.
- Film structure
- ABCDE
- Material
- BOPP
- Output
- 3000 Kg/h
- Width (mm)
- 7000
- Extruder 1 Description
- Man Extruder Type Cascade-Tandem extruder. First screw 200mm diam, second 250mm diam. Melt pump, gravimetric mixing and dosing
- Extruder 2 Description
- Coextruder 1 screw diam 75mm make Kraus-Maffei 75/36 year 2012
- Extruder 3 Description
- Coextruder 2 screw diam 75mm make Kraus-Maffei 75/36 year 2012
- Extruder 4 Description
- Coextruder 3 screw diam 125mm make Kraus-Maffei 125/36 year 2004
- Extruder 5 Description
- Coextruder 4 screw diam 150mm make Barmag year 1999
- Head description
- Make EDI, year 1999, with 5 layer feedblock with automatic thicknes control throu thermobolts and flexlip. Spare die available with 3 layer feedblock
- Die width
- 960mm
- Thickness controll system
- Automatic. 2 thickness gauges, one afret chill roller unit and one before rewinder
- Chill roll unit
- Make Bruckner. Diam chill roller 1800mm, water bath and airblade
- MDO description
- Make Bruckner. Preheatin LHK with air heating. Stretching rollers
- TDO description
- Dornier. Heating steam, wax extraction system (year 2012
- Corona treatment
- one side Softal year 1999, seconf side Plasma Werk 2012
- Rewinder width
- 7000mm
- Rewinder description
- Make Kampf year 2006
- Slitter
- make Goebel
- Note
- Max speed 320m/min, operating speeds 270 m/min 1996: Several interventions to improve, the speed of the machine 1997: New suprvising system and software Siemens, Symadyn D installed. Total investment; 1999: New 5 layer die , New corona treater ; 2002: New gravimetric dosing and mixing system. New communication system ; 2005: New co-extruder ; 2006: New Kampf turret winder 2009: Cooling device pull roll stand ; 2010: Investment in chain device 2012: Ozonsuction, Replacement drive control, Modification die, New Corona, Investment in chain device,Two new co-extruders various renovation on MDO and TDO
| Machine Code | BO35 |
| Manufacturer | BRUCKNER - DORNIER |
| Number of layers | 5 |
| Overhaul/renovation | Origina year of manufacture: 1987, significant renovations between 1996 and 2012 seee add info. |
| Film structure | ABCDE |
| Material | BOPP |
| Output | 3000 Kg/h |
| Width (mm) | 7000 |
| Extruder 1 Description | Man Extruder Type Cascade-Tandem extruder. First screw 200mm diam, second 250mm diam. Melt pump, gravimetric mixing and dosing |
| Extruder 2 Description | Coextruder 1 screw diam 75mm make Kraus-Maffei 75/36 year 2012 |
| Extruder 3 Description | Coextruder 2 screw diam 75mm make Kraus-Maffei 75/36 year 2012 |
| Extruder 4 Description | Coextruder 3 screw diam 125mm make Kraus-Maffei 125/36 year 2004 |
| Extruder 5 Description | Coextruder 4 screw diam 150mm make Barmag year 1999 |
| Head description | Make EDI, year 1999, with 5 layer feedblock with automatic thicknes control throu thermobolts and flexlip. Spare die available with 3 layer feedblock |
| Die width | 960mm |
| Thickness controll system | Automatic. 2 thickness gauges, one afret chill roller unit and one before rewinder |
| Chill roll unit | Make Bruckner. Diam chill roller 1800mm, water bath and airblade |
| MDO description | Make Bruckner. Preheatin LHK with air heating. Stretching rollers |
| TDO description | Dornier. Heating steam, wax extraction system (year 2012 |
| Corona treatment | one side Softal year 1999, seconf side Plasma Werk 2012 |
| Rewinder width | 7000mm |
| Rewinder description | Make Kampf year 2006 |
| Slitter | make Goebel |
| Note | Max speed 320m/min, operating speeds 270 m/min 1996: Several interventions to improve, the speed of the machine 1997: New suprvising system and software Siemens, Symadyn D installed. Total investment; 1999: New 5 layer die , New corona treater ; 2002: New gravimetric dosing and mixing system. New communication system ; 2005: New co-extruder ; 2006: New Kampf turret winder 2009: Cooling device pull roll stand ; 2010: Investment in chain device 2012: Ozonsuction, Replacement drive control, Modification die, New Corona, Investment in chain device,Two new co-extruders various renovation on MDO and TDO |
DMT BOPP Coextrusion Line
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Machine Code: BO58
-
Year: 2002
-
Width (mm): 6800
DMT TDO unit for PVC shrink labels
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Machine Code: BO68
-
Year: 2004
-
Width (mm): 2500