| Titre : |
Rethinking co-extrusion : Additive manufacturing and simulation-based design as a duo for extrusion dies |
| Type de document : |
texte imprimé |
| Auteurs : |
Manuel Biedermann, Auteur ; Mirko Meboldt, Auteur ; Silvan Walker, Auteur ; Daniel Schwendemann, Auteur |
| Année de publication : |
2021 |
| Article en page(s) : |
p. 26-27 |
| Langues : |
Anglais (eng) |
| Catégories : |
Automatisation
Fluides, Mécanique des
Impression tridimensionnelle
Matériaux hybrides -- Extrusion
Simulation par ordinateur
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
Combining additive manufacturing with a digital, simulation-based design process makes it possible to develop even highly complex extrusion dies in a time-saving and economical manner. Experts from the Eastern Switzerland University of Applied Sciences and ETH Zurich have successfully applied this technique using the example of a novel co-extrusion die. |
| Note de contenu : |
- Inputs and boundary conditions
- Automated design generation
- Simulation-based die design
- Experimental setup and results
- Figure : Field test : for the test, the co-extrusion die is connected to three extruders followed by a calibration unit
- Fig. 1 : Additive manufacturing enables the fabrication of novel co-extrusion dies
- Fig. 2 : Producing co-extrusion dies by additive manufacturing makes it possible to build in multiple, nested flow distributors
- Fig. 3 : The design of co-extrusion dies requires a digital process chain using automated design generation and numerical simulation
- Fig; 4 : The automated design of flow distributors helps in designing complex dies
- Fig. 5 : Flow simulations make it possible to predict the distribution of polymer melts in individual flow distributors and in the die as a whole
- Fig. 6 : The results of the multiphase flow simulation agree very well with the ground and polished sample of the extruded profile |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35101 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 111, N° 1 (2021) . - p. 26-27
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