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
- CA246
- Manufacturer
- WINDMÖLLER & HÖLSCHER
- Modello
- FILMEX
- Year
- 2015
- Number of layers
- 11
- Film structure
- GAAJCEDIFHB; IGEAAAAAEHJ
- Material
- CPP and Barrier Film
- Film width (mm)
- 2700
- Speed (m/min)
- 350
- Output (Kg/h)
- 1500, depending on materials
- Extruder 1 Layer ref:
- A
- Screw diam 1
- 120mm L/D30
- Description 1
- Gravimetric doser Modul G3, AC motor 265kW, screw rpm 200/min, heating cap 50kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer,
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 90mm L/D 30
- Description 2
- Gravimetric doser Modul G3, AC motor 125kW, screw rpm 250/min, heating cap 30kW, bi-metallic barrel, 4 zone heating, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling)
- Extruder 3 Layer ref:
- C, D, E
- Screw diam 3
- 70mm L/D30
- Description 3
- Gravimetric doser Modul G3, AC motor 89kW, screw rpm 310/min, heating cap 18kW, bi-metallic barrel, 4 zone heating, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling)
- Extruder 4 Layer ref:
- F
- Screw diam 4
- 70mm L/D30
- Description 4
- Gravimetric doser Modul G3, AC motor 89kW, screw rpm 310/min, heating cap 18kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, 4 zone heating, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling)
- Extruder 5 Layer ref:
- G, H, I, J
- Screw diam 5
- 60mm L/D30
- Description 5
- Gravimetric doser Modul G3, AC motor 60kW, screw rpm 350/min, heating cap 14.4kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. Screw's flights coated with low wear armour, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling)
- Extruder 6 Layer ref:
- Extruder feeding edge encapsualtion system
- Screw diam 6
- 60mm L/D30
- Description 6
- Gravimetric doser Modul G3, AC motor 60kW, screw rpm 350/min, heating cap 14.4kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. Screw's flights coated with low wear armour, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling)
- Head description
- Make: CLOREN, 11 layers + encapsulation, CONTRAC heating system,10 infeed melt pipes+ 1 for encapsulation, available with 2 feedblock cassettes, Automatic extrusion die, encapsulation deckle system fo edges width adjustments in 500mm per side, die lip heating (for PA or PET), hydraulic die opener,
- Die width (mm)
- 3000
- Chill roll unit
- First chill roll 1000mm diam, second 400mm diam, hard chroe poliched surface, double walled design with double spiral forced feed of cooling fluid, torque direct drive motors, motor adjustable air knife, Inverter controlled blower. Both electrostatic and pneumatic edge pinning systems.Plate out rubber roller. 3 circuit temperature control unit, water cooling with a max temperature of 90C
- Thickness controll system
- 2 thickness gauges, beta ray with KR85 emitter. Possibility to read separately Poleolefines (PP/PE), PA, EVOH
- Corona treatment
- Effective width 2850mm, generator output 30kW, surface tension nominal 44-46 dyne/cm, process roller, silicon surface with water cooling, driven mollers, Ozone extractore,
- Web guide
- Oscillating frame
- Rewinder max reel diameter (mm)
- 1090
- Rewinder description
- 2x driven chill rollers between before infeed to winder, FILMATIC TC, automatic turret winder, width 3000mm, center winding drive with winding in contact or gap, flying knife cut in reel change, tapeless reel start system, possible reverse winding, In line "bleedless" slitting with 2 driven banana rollers, trim take away roller 2 "soft touch" sponge lay on rollers. 3 windinf shafts 152mm core diam. Automatic reel un loading and shaft extractor
- Note
- web tension 30-500 N Edge trim assembly with 75mm trimming width per side. Edge trim re-feeding system with pneumatic felivery, shredder and dedicated extruder. UPS
| Machine Code | CA246 |
| Manufacturer | WINDMÖLLER & HÖLSCHER |
| Modello | FILMEX |
| Year | 2015 |
| Number of layers | 11 |
| Film structure | GAAJCEDIFHB; IGEAAAAAEHJ |
| Material | CPP and Barrier Film |
| Film width (mm) | 2700 |
| Speed (m/min) | 350 |
| Output (Kg/h) | 1500, depending on materials |
| Extruder 1 Layer ref: | A |
| Screw diam 1 | 120mm L/D30 |
| Description 1 | Gravimetric doser Modul G3, AC motor 265kW, screw rpm 200/min, heating cap 50kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 90mm L/D 30 |
| Description 2 | Gravimetric doser Modul G3, AC motor 125kW, screw rpm 250/min, heating cap 30kW, bi-metallic barrel, 4 zone heating, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling) |
| Extruder 3 Layer ref: | C, D, E |
| Screw diam 3 | 70mm L/D30 |
| Description 3 | Gravimetric doser Modul G3, AC motor 89kW, screw rpm 310/min, heating cap 18kW, bi-metallic barrel, 4 zone heating, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling) |
| Extruder 4 Layer ref: | F |
| Screw diam 4 | 70mm L/D30 |
| Description 4 | Gravimetric doser Modul G3, AC motor 89kW, screw rpm 310/min, heating cap 18kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, 4 zone heating, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. TUNGSTEN CARBIDE hardened screw, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling) |
| Extruder 5 Layer ref: | G, H, I, J |
| Screw diam 5 | 60mm L/D30 |
| Description 5 | Gravimetric doser Modul G3, AC motor 60kW, screw rpm 350/min, heating cap 14.4kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. Screw's flights coated with low wear armour, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling) |
| Extruder 6 Layer ref: | Extruder feeding edge encapsualtion system |
| Screw diam 6 | 60mm L/D30 |
| Description 6 | Gravimetric doser Modul G3, AC motor 60kW, screw rpm 350/min, heating cap 14.4kW, bi-metallic barrel, CONTRAC SSR (Solid state relais) heating circuit, SMB (smooth barrier design) , forces feed spiral mandrel shearing section and cross hole mixing sect. Screw's flights coated with low wear armour, water cooling for in-feed section, drawer magnet, Hydraulic screen changer, water thermo regulation unit (3.KW heating 23 KW cooling) |
| Head description | Make: CLOREN, 11 layers + encapsulation, CONTRAC heating system,10 infeed melt pipes+ 1 for encapsulation, available with 2 feedblock cassettes, Automatic extrusion die, encapsulation deckle system fo edges width adjustments in 500mm per side, die lip heating (for PA or PET), hydraulic die opener, |
| Die width (mm) | 3000 |
| Chill roll unit | First chill roll 1000mm diam, second 400mm diam, hard chroe poliched surface, double walled design with double spiral forced feed of cooling fluid, torque direct drive motors, motor adjustable air knife, Inverter controlled blower. Both electrostatic and pneumatic edge pinning systems.Plate out rubber roller. 3 circuit temperature control unit, water cooling with a max temperature of 90C |
| Thickness controll system | 2 thickness gauges, beta ray with KR85 emitter. Possibility to read separately Poleolefines (PP/PE), PA, EVOH |
| Corona treatment | Effective width 2850mm, generator output 30kW, surface tension nominal 44-46 dyne/cm, process roller, silicon surface with water cooling, driven mollers, Ozone extractore, |
| Web guide | Oscillating frame |
| Rewinder max reel diameter (mm) | 1090 |
| Rewinder description | 2x driven chill rollers between before infeed to winder, FILMATIC TC, automatic turret winder, width 3000mm, center winding drive with winding in contact or gap, flying knife cut in reel change, tapeless reel start system, possible reverse winding, In line "bleedless" slitting with 2 driven banana rollers, trim take away roller 2 "soft touch" sponge lay on rollers. 3 windinf shafts 152mm core diam. Automatic reel un loading and shaft extractor |
| Note | web tension 30-500 N Edge trim assembly with 75mm trimming width per side. Edge trim re-feeding system with pneumatic felivery, shredder and dedicated extruder. UPS |
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