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
- EX703
- Manufacturer
- GHIOLDI
- Model
- COEX 3
- Year
- 2000
- Number of layers
- 3
- Film structure
- ABC
- Material
- LDPE/LLDPE, HDPE
- Film Width
- 2200
- Output (Kg/h)
- 450
- Extruder 1 Layer ref:
- A
- Screw diam
- 65/30
- Extruder 2 Layer ref:
- B
- Screw diam
- 80/30
- Extruder 3 Layer ref:
- C
- Screw diam
- 65/30
- Head description
- Coex3 IBC
- Die diam (mm)
- 450 and 350
- Thickness controll system
- Measurer
- Bubble cage
- Yes
- Panel for gussets
- Yes
- Take off unit
- Oscillating
- Corona treatment
- Yes
- Web guide
- Yes
- Rewinder Type
- Back to back automatic roll changeover
- Rewinder max reel diameter
- 1000
- Additional information
- Tower structure included Electric cabinets
| Machine Code | EX703 |
| Manufacturer | GHIOLDI |
| Model | COEX 3 |
| Year | 2000 |
| Number of layers | 3 |
| Film structure | ABC |
| Material | LDPE/LLDPE, HDPE |
| Film Width | 2200 |
| Output (Kg/h) | 450 |
| Extruder 1 Layer ref: | A |
| Screw diam | 65/30 |
| Extruder 2 Layer ref: | B |
| Screw diam | 80/30 |
| Extruder 3 Layer ref: | C |
| Screw diam | 65/30 |
| Head description | Coex3 IBC |
| Die diam (mm) | 450 and 350 |
| Thickness controll system | Measurer |
| Bubble cage | Yes |
| Panel for gussets | Yes |
| Take off unit | Oscillating |
| Corona treatment | Yes |
| Web guide | Yes |
| Rewinder Type | Back to back automatic roll changeover |
| Rewinder max reel diameter | 1000 |
| Additional information | Tower structure included Electric cabinets |
WINDMOLLER & HOLSCHER Only extrusion head
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Machine Code: EX673
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Year: 2000