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
- EX693
- Manufacturer
- WINDMÖLLER & HÖLSCHER
- Modello
- VAREX
- Year
- 2006
- Number of layers
- 3
- Film structure
- ABC
- Material
- LDPE, LLDPE, MDPE
- Film Width
- 1800
- Output (Kg/h)
- 350Kg/h
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 60mm
- Description 1
- AC motor 60 kW, Gravimetric doser Doteco 6 comp, , hydraulic screen changer
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 100mm
- Description 2
- AC motor 160 kW , Gravimetric doser Doteco 6 comp, hydraulic screen changer
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 60mm
- Description 3
- AC motor 60 kW, Gravimetric doser Doteco 6 comp, , hydraulic screen changer
- Die diam (mm)
- 250
- Thickness controll system
- Thickness gauge Kundic control OPTIFIL P3
- Bubble cage
- yes. Utlasonic sensors for width control
- Panel for gussets
- yes
- Take off unit
- Fixed
- Corona treatment
- CASON
- Rewinder Type
- Single winder
- Rewinder description
- Width 1800mm
| Machine Code | EX693 |
| Manufacturer | WINDMÖLLER & HÖLSCHER |
| Modello | VAREX |
| Year | 2006 |
| Number of layers | 3 |
| Film structure | ABC |
| Material | LDPE, LLDPE, MDPE |
| Film Width | 1800 |
| Output (Kg/h) | 350Kg/h |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 60mm |
| Description 1 | AC motor 60 kW, Gravimetric doser Doteco 6 comp, , hydraulic screen changer |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 100mm |
| Description 2 | AC motor 160 kW , Gravimetric doser Doteco 6 comp, hydraulic screen changer |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 60mm |
| Description 3 | AC motor 60 kW, Gravimetric doser Doteco 6 comp, , hydraulic screen changer |
| Die diam (mm) | 250 |
| Thickness controll system | Thickness gauge Kundic control OPTIFIL P3 |
| Bubble cage | yes. Utlasonic sensors for width control |
| Panel for gussets | yes |
| Take off unit | Fixed |
| Corona treatment | CASON |
| Rewinder Type | Single winder |
| Rewinder description | Width 1800mm |
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Year: 2014
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Year: 2011
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Film Width: 2100