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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
- EX650
- Manufacturer
- WINDMÖLLER & HÖLSCHER
- Modello
- VAREX
- Year
- 2008
- Number of layers
- 3
- Material
- LDPE, LLDPE
- Film Width
- 2100
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 60 L/D 30
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 90 L/D30
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 60 L/D 30
- Head description
- IBC
- Die diam (mm)
- 550 with 1,25 and 2,25mm gaps
- Thickness controll system
- yes PROCONTROL
- Bubble cage
- Yes
- Take off unit
- Oscillating
- Corona treatment
- Softal
- Web guide
- Yes
- Rewinder Type
- Double back to back
- Rewinder max reel diameter
- 1200mm
- Rewinder description
- 4 3 " and 6" winding shafts. Max width 2200mm
| Machine Code | EX650 |
| Manufacturer | WINDMÖLLER & HÖLSCHER |
| Modello | VAREX |
| Year | 2008 |
| Number of layers | 3 |
| Material | LDPE, LLDPE |
| Film Width | 2100 |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 60 L/D 30 |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 90 L/D30 |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 60 L/D 30 |
| Head description | IBC |
| Die diam (mm) | 550 with 1,25 and 2,25mm gaps |
| Thickness controll system | yes PROCONTROL |
| Bubble cage | Yes |
| Take off unit | Oscillating |
| Corona treatment | Softal |
| Web guide | Yes |
| Rewinder Type | Double back to back |
| Rewinder max reel diameter | 1200mm |
| Rewinder description | 4 3 " and 6" winding shafts. Max width 2200mm |
BATTENFELD
-
Machine Code: EX512
-
Year: 2003
-
Film Width: 2200
REIFENHAUSER
-
Machine Code: EX686
-
Year: 2003
-
Film Width: 2300