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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
- EX638
- Manufacturer
- MACRO ENGINEERING
- Year
- 2002
- Number of layers
- 5
- Overhaul/renovation
- 2011
- Film structure
- A-B-C-D-E 30-200my
- Material
- LDPE, LLDPE, PA, EVOH, PP, coex tie resins
- Film Width
- 1500
- Output (Kg/h)
- 250
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 63
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 44
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 63
- Extruder 4 Layer ref:
- D
- Screw diam 4
- 44
- Extruder 5 Layer ref:
- E
- Screw diam 5
- 63
- Head description
- 5 layer with IBC
- Die diam (mm)
- 350
- Thickness controll system
- Yes x-rays SYSMETRIC
- Bubble cage
- Yes
- Take off unit
- Rotating
- Corona treatment
- Yes
- Web guide
- Yes E&L
- Rewinder Type
- Double back to back
- Rewinder max reel diameter
- 1000
- Rewinder description
- In line slitting
- Note
- Gravimetric system Plastcontrol brand. 2 components for 1,2,4,5, extruders and 1 for extruder 3. In 2011 the head and all screws were replaced, System Scada and Thorpe added by Macro, control panel and drivers replaced. Kundig gauge measuring system added instead of old Plastcontrol.
Machine Code | EX638 |
Manufacturer | MACRO ENGINEERING |
Year | 2002 |
Number of layers | 5 |
Overhaul/renovation | 2011 |
Film structure | A-B-C-D-E 30-200my |
Material | LDPE, LLDPE, PA, EVOH, PP, coex tie resins |
Film Width | 1500 |
Output (Kg/h) | 250 |
Extruder 1 Layer ref: | A |
Screw diam 1 | 63 |
Extruder 2 Layer ref: | B |
Screw diam 2 | 44 |
Extruder 3 Layer ref: | C |
Screw diam 3 | 63 |
Extruder 4 Layer ref: | D |
Screw diam 4 | 44 |
Extruder 5 Layer ref: | E |
Screw diam 5 | 63 |
Head description | 5 layer with IBC |
Die diam (mm) | 350 |
Thickness controll system | Yes x-rays SYSMETRIC |
Bubble cage | Yes |
Take off unit | Rotating |
Corona treatment | Yes |
Web guide | Yes E&L |
Rewinder Type | Double back to back |
Rewinder max reel diameter | 1000 |
Rewinder description | In line slitting |
Note | Gravimetric system Plastcontrol brand. 2 components for 1,2,4,5, extruders and 1 for extruder 3. In 2011 the head and all screws were replaced, System Scada and Thorpe added by Macro, control panel and drivers replaced. Kundig gauge measuring system added instead of old Plastcontrol. |
GHIOLDI - BANDERA
-
Machine Code: EX569
-
Year: 1990
-
Film Width: 1400
REIFENHAUSER
-
Machine Code: EX637
-
Year: 2002
-
Film Width: 1800
OMICRON COEX 3
-
Machine Code: EX605
-
Year: 1994
-
Film Width: 1600