Windmoller & Holscher Varex 5 layers Blown film extrusion line
EUROPE (Western and Northern)
Number of layers 5
Overhaul/renovation HMI, supervision and some inverters upgraded in 2019
Film structure ABCDE
Material Barrier and lamination film, LDPE films
Film Width 2100
Extruder 1 Layer ref: A
Screw diam 70mm
motor 89Kw, gravimetric doser 5 comp
Extruder 2 Layer ref: B
Screw diam 50mm
motor 29Kw gravimetric doser 1 comp
Extruder 3 Layer ref: C
Screw diam 60mm
motor 89Kw gravimetric doser 3 comp
Extruder 4 Layer ref: D
Screw diam 50mm
motor 29Kw gravimetric doser 1 comp
Extruder 5 Layer ref: E
Screw diam 70mm
motor 89Kw gravimetric doser 5 comp
Head description IBC, OPTIFIL P2 automatic thickness profile control, auto width control via 3 ultrasonic sensors mounted on bubble cage
Die diam (mm) 500mm, gap 1.25mm and 2.25mm
Thickness controll system YES , 2 thickness gauges a. gauge beta control
b. Electronic system model HISCAN, year 2009 for measuring thickness
of overall film and of EVOH layer. Automatic thickness control OPTIFIL P"
Bubble cage Motorized position, rotating
Take off unit rotating
Corona treatment Double corona treatment
Web guide Yes
Rewinder Type Double Back to back
Rewinder max reel diameter 1200mm
Rewinder description . Surface or Gap winding. Reel unwinding and shaft extraction system. 3" and 6 " shafts
Note Euro Chiller