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
- EX781
- Manufacturer
- BANDERA
- Modello
- Poland coex 7
- Year
- 2006
- Number of layers
- 7
- Film structure
- ABCDEFG
- Material
- Barrier film 23-200 μ, LDPE films 20-150 μ
- Film Width
- 1800
- Output (Kg/h)
- max. 400kg/h
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 75mm,L/D 30/1
- Description 1
- Gravimetric Dosing units - 4-comp.
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 50mm,L/D 30/1
- Description 2
- Gravimetric Dosing units - 2-comp.
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 65mm, L/D 30/1
- Description 3
- Gravimetric Dosing units - 2-comp.
- Extruder 4 Layer ref:
- D
- Screw diam 4
- 65mm, L/D 30/1
- Description 4
- Gravimetric Dosing units - 2-comp.
- Extruder 5 Layer ref:
- E
- Screw diam 5
- 65mm, L/D 30/1
- Description 5
- Gravimetric Dosing units - 2-comp.
- Extruder 6 Layer ref:
- F
- Screw diam 6
- 50mm, L/D 30/1
- Description 6
- Gravimetric Dosing units - 2-comp.
- Extruder 7 Layer ref:
- G
- Screw diam 7
- 75mm, L/D 30/1
- Description 7
- Gravimetric Dosing units - 4-comp.
- Head description
- mod. EXPH 500 CO7, 7 layers.
- Die diam (mm)
- 570 mm, 400mm
- Bubble cage
- Yes
- Take off unit
- Rotating
- Rewinder Type
- Double back to back
- Rewinder max reel diameter
- 1200
- Rewinder description
- center and surface driven. Gap winding possible
- Note
- CHILLER AX-A 190
| Machine Code | EX781 |
| Manufacturer | BANDERA |
| Modello | Poland coex 7 |
| Year | 2006 |
| Number of layers | 7 |
| Film structure | ABCDEFG |
| Material | Barrier film 23-200 μ, LDPE films 20-150 μ |
| Film Width | 1800 |
| Output (Kg/h) | max. 400kg/h |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 75mm,L/D 30/1 |
| Description 1 | Gravimetric Dosing units - 4-comp. |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 50mm,L/D 30/1 |
| Description 2 | Gravimetric Dosing units - 2-comp. |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 65mm, L/D 30/1 |
| Description 3 | Gravimetric Dosing units - 2-comp. |
| Extruder 4 Layer ref: | D |
| Screw diam 4 | 65mm, L/D 30/1 |
| Description 4 | Gravimetric Dosing units - 2-comp. |
| Extruder 5 Layer ref: | E |
| Screw diam 5 | 65mm, L/D 30/1 |
| Description 5 | Gravimetric Dosing units - 2-comp. |
| Extruder 6 Layer ref: | F |
| Screw diam 6 | 50mm, L/D 30/1 |
| Description 6 | Gravimetric Dosing units - 2-comp. |
| Extruder 7 Layer ref: | G |
| Screw diam 7 | 75mm, L/D 30/1 |
| Description 7 | Gravimetric Dosing units - 4-comp. |
| Head description | mod. EXPH 500 CO7, 7 layers. |
| Die diam (mm) | 570 mm, 400mm |
| Bubble cage | Yes |
| Take off unit | Rotating |
| Rewinder Type | Double back to back |
| Rewinder max reel diameter | 1200 |
| Rewinder description | center and surface driven. Gap winding possible |
| Note | CHILLER AX-A 190 |
WINDMÖLLER & HÖLSCHER Only extrusion head
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Machine Code: EX673
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Year: 2000
BIELLONI Coex 3
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Machine Code: EX770
-
Year: 2000
-
Film Width: 2000
OMICRON COEX 3
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Machine Code: EX605
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Year: 1994
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Film Width: 1600
