In a blown film extruder PE granulates (or other polymer) are melted in an extruder and pushed through a circular die extruding a tube of molten polymer. Tube is then inflated to multiples of its initial diameter and cooled to form a thin film. Bobble is later collapsed and re-winded.
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- Machine Code
- EX748
- Manufacturer
- MACCHI
- Year
- 2002
- Number of layers
- 3
- Film structure
- ABC
- Film Width
- 2200
- Output (Kg/h)
- 300
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 65mm
- Description 1
- Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 85mm
- Description 2
- Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 65 mm
- Description 3
- Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components
- Head description
- IBC, air ring Karat with automatic Thickness profile control Y 2019 . Ultrasonic sensors
- Die diam (mm)
- 450mm
- Thickness controll system
- K design Karat 2017
- Bubble cage
- max circumference 6000mm
- Panel for gussets
- yes MOTORIZED
- Corona treatment
- AFS
- Web guide
- K design year 2015
- Rewinder Type
- Double back to back
- Rewinder description
- Macchi BO Plus , gap and surface winding
- Note
- new cooling ring K design 2016 Gusseting units 2 complete heads 400 mm and 450 mm and double cooling rings
| Machine Code | EX748 |
| Manufacturer | MACCHI |
| Year | 2002 |
| Number of layers | 3 |
| Film structure | ABC |
| Film Width | 2200 |
| Output (Kg/h) | 300 |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 65mm |
| Description 1 | Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 85mm |
| Description 2 | Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 65 mm |
| Description 3 | Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components |
| Head description | IBC, air ring Karat with automatic Thickness profile control Y 2019 . Ultrasonic sensors |
| Die diam (mm) | 450mm |
| Thickness controll system | K design Karat 2017 |
| Bubble cage | max circumference 6000mm |
| Panel for gussets | yes MOTORIZED |
| Corona treatment | AFS |
| Web guide | K design year 2015 |
| Rewinder Type | Double back to back |
| Rewinder description | Macchi BO Plus , gap and surface winding |
| Note | new cooling ring K design 2016 Gusseting units 2 complete heads 400 mm and 450 mm and double cooling rings |
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