| Titre : |
Simulating the effects of warpage in an additively-manufactured composite layup tool |
| Type de document : |
texte imprimé |
| Auteurs : |
Olivier Lietaer, Auteur ; Scott Sevcik, Auteur |
| Année de publication : |
2018 |
| Article en page(s) : |
p. 56-57 |
| Langues : |
Anglais (eng) |
| Catégories : |
Composites thermoplastiques
Gauchissement (matériaux)
Impression tridimensionnelle
Simulation par ordinateur
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
Additive manufaturing (AM), by definition opposed to subtractive methods, regroups a number of manufacturing processes allowing the creation of parts from 3D numerical CAD models by building up the componnents in layers by depositing material, hence not requiring specific mould tooling design. This way, low-volume, complex parts can be produced at fixed cost in less time. This article focuses on the development and validation of additive manufacturing process simulation. |
| Note de contenu : |
- Challenges
- A multi-scale approach
- Results and benefits
- Results correlation to test data
- Fig. 1 : Warpage simulation of a composite layup tool during DFM process
- Fig. 2 : Comparison between measured warpage on a physically-printed part (RMS signed distance and Digimat-AM warpage prediction (X displacements)
- Fig. 3 : Digimat-AM simulation approache for optimal printing
- Fig. 4 : Warpage prediction after geometry compensation in Digimat-AM. Superposition of the as-printed and as-designe parts and RMS signed distance, maximum deviation is less than 0.1 mm |
| En ligne : |
https://drive.google.com/file/d/17dm3xuU-pwKe3FU9dLgUdW_TU6LXlvzH/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30476 |
in JEC COMPOSITES MAGAZINE > N° 120 (04/2018) . - p. 56-57
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