5 layers WINDMÖLLER & HÖLSCHER VAREX Blown film extrusion line ** SOLD ** Ask more informations about a similar one
In a blown film extruder PE granulates (or other polymer) are melted in an extruder and pushed through a circular die extruding a tube of molten polymer. Tube is then inflated to multiples of its initial diameter and cooled to form a thin film. Bobble is later collapsed and re-winded.
| 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 |
** SOLD **
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