| Titre : |
Fine channels, maximum efficiency : Improving conformal cooling with design, simulation, and processing know-how |
| Type de document : |
texte imprimé |
| Auteurs : |
Andreas Wonisch, Auteur ; Reinhard Jakobi, Auteur ; Leonhard Ullrich, Auteur ; Sebastian Gries, Auteur ; Chris Jones, Auteur ; Mark Hennebicque, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 110-113 |
| Langues : |
Anglais (eng) |
| Catégories : |
Matières plastiques -- Refroidissement
Moules d'injection
Procédés de fabrication
Simulation par ordinateur
Systèmes de refroidissement
Température
Temps de cycle (production)
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
The production costs for complex injection molded parts not only depend on material costs but also to a considerable extent on cycle time. The cycle time is divided into the injection, holding pressure, (residual) cooling phases and the tool movements. The cooling phase takes up 60 to 90 % of cycle time, depending on the particular plastic material and part component. Adequate cooling can therefore reduce not only cooling time but also cycle time. |
| Note de contenu : |
- Design and simulation of the conformal cooling system
- Production of the additively manufactured core
- Cycle time measurement for the molded parts
- Fig. 1 : Mold inserts with straight drilled holes, conventional and additively manufactured conformal cooling channels
- Fig. 2 : Heat development in the component for the conventional cooling concept simulated with Autodesk mold-flow
- Fig. 3 : Molded part temperatures recorded with an IR camera directly after demolding and mold and molded part surface temperatures during the cooling phase (14.5 s after inejction) with conventional and conformal cooling
- Fig. 4 : Molded part, after sufficiently long cooling time and inadequate cooling time
- Table 1 : Comparison of experimentally determined temperatures and cycle times by the example of Ultramid A3K |
| En ligne : |
https://drive.google.com/file/d/1XIag2W7y4Braf9ijJDNAK9zx8xJP54qa/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33177 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 109, N° 9 (09/2019) . - p. 110-113
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