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
- EX765
- Manufacturer
- ALPINE
- Modello
- UNEX 62/90/Aç
- Year
- 2003
- Number of layers
- 1
- Film structure
- A
- Film Width
- 1800
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 90mm
- Description 1
- Extruder Alpine model UNEX 61/90/AI 3 comp. gravimetric dosing units brand Contrex mod. DE 3000 complete with suction-granule pumps. Cartridge type screen changer.
- Head description
- 1 fixed head Ø 180 mm with IBC, 1 air ring, 2 fans, 1 chiller for water cooling Frigomeccanica Industriale of MK type 20, 1 air cooling chiller mod. Air Blow with free cooling system
- Die diam (mm)
- 180mm
- Thickness controll system
- 1 thickness gauge Kundig type K 100. Thickness profile automatic control Contrex
- Bubble cage
- Yes
- Take off unit
- 1 rotating towing machine brand Decatex mod. AD 1900-R2300-NA1900
- Corona treatment
- 2x Ferrarini Benelli GTS6TE treaters, each for single side. 1 Ferrarini Benelli mod GTS TE to treat film on both sides
- Web guide
- FIFE mod. Symat 300
- Rewinder Type
- Double back to back
- Rewinder description
- width 1800mm, 4 hoists, 6 expanding shafts 76mm diam. 4x expanding shafts 152mm diam
- Note
- Supporting tower included Height 13 m
| Machine Code | EX765 |
| Manufacturer | ALPINE |
| Modello | UNEX 62/90/Aç |
| Year | 2003 |
| Number of layers | 1 |
| Film structure | A |
| Film Width | 1800 |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 90mm |
| Description 1 | Extruder Alpine model UNEX 61/90/AI 3 comp. gravimetric dosing units brand Contrex mod. DE 3000 complete with suction-granule pumps. Cartridge type screen changer. |
| Head description | 1 fixed head Ø 180 mm with IBC, 1 air ring, 2 fans, 1 chiller for water cooling Frigomeccanica Industriale of MK type 20, 1 air cooling chiller mod. Air Blow with free cooling system |
| Die diam (mm) | 180mm |
| Thickness controll system | 1 thickness gauge Kundig type K 100. Thickness profile automatic control Contrex |
| Bubble cage | Yes |
| Take off unit | 1 rotating towing machine brand Decatex mod. AD 1900-R2300-NA1900 |
| Corona treatment | 2x Ferrarini Benelli GTS6TE treaters, each for single side. 1 Ferrarini Benelli mod GTS TE to treat film on both sides |
| Web guide | FIFE mod. Symat 300 |
| Rewinder Type | Double back to back |
| Rewinder description | width 1800mm, 4 hoists, 6 expanding shafts 76mm diam. 4x expanding shafts 152mm diam |
| Note | Supporting tower included Height 13 m |
