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
- EX833
- Manufacturer
- WINDMÖLLER & HÖLSCHER
- Year
- 1991
- Number of layers
- 3
- Overhaul/renovation
- 2 Extruders : A and C and extrusion head and dosing system are younger. Coronas Vetaphone, Thickness gauge and thickness control Multicool and Bubble cage and Kundig width measurement are 2013-2014
- Film structure
- ABC
- Material
- LDPE,LLDPE, MDPE
- Film Width
- 1500
- Output (Kg/h)
- 300
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 60mm
- Description 1
- gravimetric dosing system Maguire 6 comp
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 90mm
- Description 2
- gravimetric dosing system Maguire 6 comp
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 60mm
- Description 3
- gravimetric dosing system Maguire 6 comp
- Head description
- IBC, with ultra sound diameter sensors, automatic thickness profile control multitool, complete with panel year 2016
- Die diam (mm)
- 250
- Thickness controll system
- Kundig gauge and multicool profile control year 2016
- Bubble cage
- motorized, with silicon rollers no marking
- Take off unit
- rotating
- Corona treatment
- 2 double Vetaphone treaters year 2013. 1x CP3- 6kw - 1x ET4 -6kw
- Web guide
- BST self centering sensors
- Rewinder Type
- Double back to back
- Rewinder description
- Year is 1985,
| Machine Code | EX833 |
| Manufacturer | WINDMÖLLER & HÖLSCHER |
| Year | 1991 |
| Number of layers | 3 |
| Overhaul/renovation | 2 Extruders : A and C and extrusion head and dosing system are younger. Coronas Vetaphone, Thickness gauge and thickness control Multicool and Bubble cage and Kundig width measurement are 2013-2014 |
| Film structure | ABC |
| Material | LDPE,LLDPE, MDPE |
| Film Width | 1500 |
| Output (Kg/h) | 300 |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 60mm |
| Description 1 | gravimetric dosing system Maguire 6 comp |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 90mm |
| Description 2 | gravimetric dosing system Maguire 6 comp |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 60mm |
| Description 3 | gravimetric dosing system Maguire 6 comp |
| Head description | IBC, with ultra sound diameter sensors, automatic thickness profile control multitool, complete with panel year 2016 |
| Die diam (mm) | 250 |
| Thickness controll system | Kundig gauge and multicool profile control year 2016 |
| Bubble cage | motorized, with silicon rollers no marking |
| Take off unit | rotating |
| Corona treatment | 2 double Vetaphone treaters year 2013. 1x CP3- 6kw - 1x ET4 -6kw |
| Web guide | BST self centering sensors |
| Rewinder Type | Double back to back |
| Rewinder description | Year is 1985, |
WINDMÖLLER & HÖLSCHER VAREX
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Machine Code: EX744
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Year: 2002
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Film Width: 2100
BATTENFELD
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Machine Code: EX512
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Year: 2003
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Film Width: 2200
REIFENHAUSER KIEFEL
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Machine Code: EX818
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Year: 2022
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Film Width: 1600
WINDMÖLLER & HÖLSCHER Varex
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Machine Code: EX806
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Year: 2006
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Film Width: 1600