W & H Varex Blown Film Extrusion Line

Number of layers: 9
Material: Barrier film
Film width: 2200

Extruder 1 layer: 2 extruders layer A and B
Screw diameter 1: 60mm l/d30
Description: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 60kw, screw rpm 200
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Extruder 2 layer: 2 extruders layer C and D
Screw diameter 2: 60mm l/d30
Description: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 60kw, screw rpm 200
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Extruder 3 layer: E
Screw diameter 3: 70mm l/d30
Description 3: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 82kw, screw rpm 180
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Extruder 4 layer: F
Screw diameter 4: 60mm l/d30
Description 4: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 60kw, screw rpm 200
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Extruder 5 layer: G
Screw diameter 5: 60mm l/d30
Description 5: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 60kw, screw rpm 200
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Extruder 6 layer: H
Screw diameter 6: 60mm l/d30
Description 6: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 60kw, screw rpm 200
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Extruder 7 layer: I
Screw diameter 7: 60mm l/d30
Description 7: HPS, screws
Corrosion resistant chromium steel execution
AC drive
Motor: 60kw, screw rpm 200
Bimetal barrel
4 heating zone
Contact control
Temperature control for grooved feeding section upto: 260c
Hydraulic screen changers
Gravimetric dosing system

Head: Maxicone 400/550mm die range
Die lip heating
Multi cool air ring
Automatic profile control
Optifil P2K
IBC
Gap: 1.25, 2.25mm
Die diameter: 550mm
Bubble cage: Variocage size 740-2200mm
Centered and diameter, electronic adjustment
Take off unit: Multnip film haul off system
Design: oscillating
Speed: 120m/min
Nostic package
Corona treatment: AFS suitable also for barrier film, power 10kw
Web edge guide
Rewind: double back to back
Rewind: maximum reel diameter: 1030mm

Rewind: Filmatic
Ultrasonic sensor for web edges
Surface/centre winding with also gap winding mode without lay on roller
Anti static system
6 inline slitting
Edge trim and station

9 module G gravimetric dosing system
Web break monitor
Film cooling system
Bubble collapsing unit with CRP path rollers in an extended design
Path roller insulation for the path rollers of the collapsing station
Path roller insulation for the path rollers of the edge guide assembly
10 separate path rollers for film tube widths upto: 2200mm
Easy change package automatic size change over during production