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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
- EX446
- Manufacturer
- GHIOLDI
- Year
- 2008
- Number of layers
- 5
- Film structure
- A-B-C-D-E
- Material
- LDPE- LLDPE- SURELYN AND- Barrier film
- Film Width
- 1600
- Output (Kg/h)
- 250 Kg TO 220 KG WITH NYLON; 300KG WITH POLY OLIFINS
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 65 mm
- Description 1
- Gravimetric monocomponent dosing unit
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 45 mm
- Description 2
- Gravimetric monocomponent dosing unit
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 50 mm
- Description 3
- Gravimetric monocomponent dosing unit
- Extruder 4 Layer ref:
- D
- Screw diam 4
- 45 mm
- Description 4
- Gravimetric monocomponent dosing unit
- Extruder 5 Layer ref:
- E
- Screw diam 5
- 65 mm
- Description 5
- Gravimetric monocomponent dosing unit
- Head description
- Fixed ; IBC system included ; Air cooling ring with euro chillers
- Die diam (mm)
- 350 mm
- Take off unit
- Oscillating
- Corona treatment
- Martignoni
- Web guide
- Edge guide unit E+L
- Rewinder Type
- Double back to back
- Rewinder description
- Double automatic winder width 1600 mm
- Note
- Adjustable bubble-guiding unit
| Machine Code | EX446 |
| Manufacturer | GHIOLDI |
| Year | 2008 |
| Number of layers | 5 |
| Film structure | A-B-C-D-E |
| Material | LDPE- LLDPE- SURELYN AND- Barrier film |
| Film Width | 1600 |
| Output (Kg/h) | 250 Kg TO 220 KG WITH NYLON; 300KG WITH POLY OLIFINS |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 65 mm |
| Description 1 | Gravimetric monocomponent dosing unit |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 45 mm |
| Description 2 | Gravimetric monocomponent dosing unit |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 50 mm |
| Description 3 | Gravimetric monocomponent dosing unit |
| Extruder 4 Layer ref: | D |
| Screw diam 4 | 45 mm |
| Description 4 | Gravimetric monocomponent dosing unit |
| Extruder 5 Layer ref: | E |
| Screw diam 5 | 65 mm |
| Description 5 | Gravimetric monocomponent dosing unit |
| Head description | Fixed ; IBC system included ; Air cooling ring with euro chillers |
| Die diam (mm) | 350 mm |
| Take off unit | Oscillating |
| Corona treatment | Martignoni |
| Web guide | Edge guide unit E+L |
| Rewinder Type | Double back to back |
| Rewinder description | Double automatic winder width 1600 mm |
| Note | Adjustable bubble-guiding unit |
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