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Cast film extrusion lines are commonly used to extrude plastic films especially for flexible packaging industry. / In a cast film extruder PE, PP or PA granulates (or other polymers) are melted inro an extruder and pushed through a flat extrusion die (T die), extruding a sheet of molten polymer onto a cooled roller (chill roll).
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- Machine Code
- CA196
- Manufacturer
- GLOUCESTER
- Year
- 1986
- Number of layers
- 5
- Overhaul/renovation
- renovation in 2010
- Film structure
- BACAB
- Material
- CPP and CPE
- Film width (mm)
- 1800
- Extruder 1 Layer ref:
- B
- Screw diam 1
- 90mm
- Description 1
- L/D 30 , Mcguire 4 comp gravimetric doser
- Extruder 2 Layer ref:
- A
- Screw diam 2
- 150mm
- Description 2
- L/D 30, Gravimetric Hydreclaim six component continuous blender and doser. Edge re-feeding
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 90mm
- Description 3
- L/D 30 , Mcguire 4 comp gravimetric doser
- Head description
- Cloeren Epoch, internal deckling, flex lip with90 thermal bolts for auto thickness control, Pinning for the extruded material is by an Eltex electrostatic pinner system and a Cloeren vacuum box with a Cloeren airknife
- Die width (mm)
- 2300
- Chill roll unit
- Two roll system with cast roll and cooling roll both roller are 500mm diameter. Cast roll is a Satex 12 textured design and cooling roll is bright chrome finished.
- Thickness controll system
- Automatic. Gauge Thermofisher Beta gauge fitted 2018 with a Krypton 85 source
- Corona treatment
- Sherman 2 side with ceramic process roller
- Web guide
- oscillating frame
- Rewinder max reel diameter (mm)
- 1000
- Rewinder description
- Turret, Wintech, contact and gap winding
| Machine Code | CA196 |
| Manufacturer | GLOUCESTER |
| Year | 1986 |
| Number of layers | 5 |
| Overhaul/renovation | renovation in 2010 |
| Film structure | BACAB |
| Material | CPP and CPE |
| Film width (mm) | 1800 |
| Extruder 1 Layer ref: | B |
| Screw diam 1 | 90mm |
| Description 1 | L/D 30 , Mcguire 4 comp gravimetric doser |
| Extruder 2 Layer ref: | A |
| Screw diam 2 | 150mm |
| Description 2 | L/D 30, Gravimetric Hydreclaim six component continuous blender and doser. Edge re-feeding |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 90mm |
| Description 3 | L/D 30 , Mcguire 4 comp gravimetric doser |
| Head description | Cloeren Epoch, internal deckling, flex lip with90 thermal bolts for auto thickness control, Pinning for the extruded material is by an Eltex electrostatic pinner system and a Cloeren vacuum box with a Cloeren airknife |
| Die width (mm) | 2300 |
| Chill roll unit | Two roll system with cast roll and cooling roll both roller are 500mm diameter. Cast roll is a Satex 12 textured design and cooling roll is bright chrome finished. |
| Thickness controll system | Automatic. Gauge Thermofisher Beta gauge fitted 2018 with a Krypton 85 source |
| Corona treatment | Sherman 2 side with ceramic process roller |
| Web guide | oscillating frame |
| Rewinder max reel diameter (mm) | 1000 |
| Rewinder description | Turret, Wintech, contact and gap winding |
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