5 layers WINDMÖLLER & HÖLSCHER VAREX film blowing machine

Raw material most commonly used are low density polyethylene (LDPE) and High density polyethylene (HDPE). These are often used in blends with other polymers and additives.

Machine Code EX661
Manufacturer WINDMÖLLER & HÖLSCHER
Model VAREX
Year 1998
Number of layers 5
Film structure A-B-C-D-E
Material LDPE, LLDPE, EVOH
Film Width (mm) 2200
Output (Kg/h) 500 Kg/h
Extruder 1 Layer ref: A
Screw diam 90 L/D 30
Description Gravimetric doser Module G,1+2 comp, hydraulic screen changer, 4 zones thermo regulation, Bimetallic barrel, 110 Kw motor
Extruder 2 Layer ref: B
Screw diam 50 mm L/D 25
Description Gravimetric doser Module G 1+4 comp, hydraulic screen changer, 4 zones thermo regulation, Bimetallic barrel, 30 Kw motor
Extruder 3 Layer ref: C
Screw diam 60 mm L/D 30
Description Gravimetric doser Module G 1+4 comp, hydraulic screen changer, 4 zones thermo regulation, Bimetallic barrel, 55 Kw motor
Extruder 4 Layer ref: D
Screw diam 50 mm L/D 25
Description Gravimetric doser Module G 1+2 comp, hydraulic screen changer, 4 zones thermo regulation, Bimetallic barrel, 30 Kw motor
Extruder 5 Layer ref: E
Screw diam 60 mm L/D30
Description Gravimetric doser Module G 1+4 comp, hydraulic screen changer, 4 zones thermo regulation, Bimetallic barrel, 55 Kw motor
Head description B 400/500-5-ZIK-P2
Die diam (mm) 500 mm Gap 1,25 spare die 400mm
Thickness controll system Optifil Plus modular process automation system
Bubble cage Yes
Bubble cage Ultrasonic bubble control
Take off unit oscillating
Corona treatment Softal
Web guide Yes
Web guide YES
Rewinder max reel diameter 1000 mm
Rewinder description Surface driven , center-surface driven, center gap
Additional information Centralized resin vacuum conveying system Ultrasonic bubble control Film thickness : TDS 10-250µm, actual produced 30-150µm Thickness gauge upgraded in 2019 Extruder's screws replaced in 2019 Several spares available, among which also: - spare bottom part of extrusion head (distributuon part) - heaters - complete set for 400mm die

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