Windmoller & Holscher Filmex

CAST FILM EXTRUSION LINE
Number of layers: 11
Film structure: GAAJCEDIFHB, IGEAAAAAEHJ
Material: CPP and barrier film
Film width: 2700mm
Speed: 350m/min
Output: 1500kg/h, depending on materials

Extruder 1 layer: A
Screw diameter 1: 120mm l/d30
Description 1:
Gravimetric doser G3
AC motor 265kw
Screw rpm 200/min
Heating cap 50kw, bimetallic barrel
SSR contact solid state relays heating circuit
SMB smooth barrier design, forces feed spiral mandrel shearing section
and cross hole mixing section, tungsten carbide hardened screw,
water cooling for infeed section, drawer magnet, hydraulic screen changer

Extruder 2 layer: B
Screw diameter 2: 90mm l/d30
Description 2:
Gravimetric doser G3
AC motor 125kw
Screw rpm 250/min, heating cap 30kw, bimetallic barrel
4 zone heating, SSR contact solid state relays heating circuit
SMB smooth barrier design, forces feed spiral mandrel shearing section and cross hole mixing section,
tungsten carbide hardened screw, water cooling for infeed section, drawer magnet
Hydraulic screen changer, water thermo regulation unit 3kw heating 23kw cooling

Extruder 3 layer: C, D, E
Screw diameter 3: 70mm l/d30
Description 3:
Gravimetric doser G3
AC motor 89kw, screw rpm 310/min
Heating cap 18kw, bimetallic barrel, 4 zone heating
SSR contact solid state relays heating circuit
SMB smooth barrier design, forces feed spiral mandrel shearing section and cross hole mixing section,
tungsten carbide hardened screw, water cooling for infeed section, drawer magnet,
hydraulic screen changer, water thermo regulation unit 3kw heating 23kw cooling

Extruder 4 layer: F
Screw diameter 4: 70mm l/d30
Description 4:
Gravimetric doser G3, AC motor 89kw
Screw rpm 310/min, heating cap 18kw, bimetallic barrel
SSR contact solid state relays heating circuit, 4 zone heating
SMB smooth barrier design, forces feed spiral mandrel shearing section
and cross hole mixing section, tungsten carbide hardened screw, water cooling for infeed section,
drawer magnet, hydraulic screen changer, water thermo regulation unit 3kw heating 23kw cooling

Extruder 5 layer: G, H, I, J
Screw diameter 5: 60mm l/d30
Description 5:
Gravimetric doser G3, AC motor 60kw, screw rpm 350/min
Heating cap 14.4kw, bimetallic barrel
SSR contact solid state relays heating circuit
SMB smooth barrier design, forces feed spiral mandrel shearing section and cross hole mixing section
Screws flights coated with low wear armour, water cooling for infeed section, drawer magnet,
hydraulic screen changer, water thermo regulation unit 3kw heating 23kw cooling

Extruder 6 layer: extruder feeding edge encapsulation system
Screw diameter 6: 60mm l/d30
Description 6:
Gravimetric doser G3
AC motor 60kw, screw rpm 350/min
Heating cap 14.4kw, bimetallic barrel
SSR contact solid state relays heating circuit
SMB smooth barrier design, forces feed spiral mandrel shearing section
and cross hole mixing section screws flights coated with low wear armour,
water cooling for infeed section, drawer magnet, hydraulic screen changer,
water thermo regulation unit 3kw heating 23kw cooling

Head: Cloren, 11 layers + encapsulation, contact heating system,10 infeed melt pipes + 1 for encapsulation, available with 2 feed block cassettes
Automatic extrusion die
Encapsulation deckle system for edges width adjustments in 500mm per side
Die lip heating for PA or PET
Hydraulic die opener
Die width: 3000mm

Chill roll: 1st chill roll 1000mm diameter, 2nd 400mm diameter
Hard core polished 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
Three circuit temperature control unit
Water cooling with a maximum temperature of 90c

Thickness control: 2 thickness gauges, beta ray with KR85 emitter
Possibility to read separately Poleolefines (PP/PE), PA, EVOH

Corona: effective width 2850mm
Generator output 30kw
Surface tension nominal 44-46 dyne/cm
Process roller
Silicon surface with water cooling
Driven mollers
Ozone extractor
Web guide: oscillating frame
Rewind maximum reel diameter: 1090mm

Rewind: 2 x 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
Inline bleedless slitting with 2 driven banana rollers
Trim take away roller: 2 soft touch sponge lay on rollers
Winding shafts: x 3, 152mm core diameter
Automatic reel unloading and shaft extractor

Web tension: 30-500n edge trim assembly with 75mm trimming width per side
Edge trim refeeding system with pneumatic delivery
Shredder and dedicated extruder
UPS