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
- EX752
- Manufacturer
- MACCHI
- Year
- 2006
- Number of layers
- 5
- Film structure
- ABCDE
- Material
- BARRIER FILM, LDPE, EVOH, PA
- Film Width
- 2100
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 65
- Description 1
- GRAVIMETRIC DOSER 4 COMPONENTS
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 45
- Description 2
- GRAVIMETRIC DOSER 1 COMPONENTS
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 55
- Description 3
- GRAVIMETRIC DOSER 4 COMPONENTS
- Extruder 4 Layer ref:
- D
- Screw diam 4
- 45
- Description 4
- GRAVIMETRIC DOSER 1 COMPONENTS
- Extruder 5 Layer ref:
- E
- Screw diam 5
- 65
- Description 5
- GRAVIMETRIC DOSER 4 COMPONENTS
- Head description
- 450 mm Die-head 10 zones heating ,Air ring with 64 heating inserts , IBC with chiller an auto width control
- Die diam (mm)
- 450MM + 550MM
- Thickness controll system
- Automatic profile control
- Bubble cage
- motorized
- Take off unit
- Oscillating
- Corona treatment
- 2 side Corona
- Rewinder Type
- Double back to back
- Rewinder max reel diameter
- 1200
| Machine Code | EX752 |
| Manufacturer | MACCHI |
| Year | 2006 |
| Number of layers | 5 |
| Film structure | ABCDE |
| Material | BARRIER FILM, LDPE, EVOH, PA |
| Film Width | 2100 |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 65 |
| Description 1 | GRAVIMETRIC DOSER 4 COMPONENTS |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 45 |
| Description 2 | GRAVIMETRIC DOSER 1 COMPONENTS |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 55 |
| Description 3 | GRAVIMETRIC DOSER 4 COMPONENTS |
| Extruder 4 Layer ref: | D |
| Screw diam 4 | 45 |
| Description 4 | GRAVIMETRIC DOSER 1 COMPONENTS |
| Extruder 5 Layer ref: | E |
| Screw diam 5 | 65 |
| Description 5 | GRAVIMETRIC DOSER 4 COMPONENTS |
| Head description | 450 mm Die-head 10 zones heating ,Air ring with 64 heating inserts , IBC with chiller an auto width control |
| Die diam (mm) | 450MM + 550MM |
| Thickness controll system | Automatic profile control |
| Bubble cage | motorized |
| Take off unit | Oscillating |
| Corona treatment | 2 side Corona |
| Rewinder Type | Double back to back |
| Rewinder max reel diameter | 1200 |
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