| Titre : |
Digital preview of bio-based parts : Injection molding simulation puts bioplastics on the road to industrial mass production |
| Type de document : |
texte imprimé |
| Auteurs : |
Marco Neudecker, Auteur ; Hans-Josef Endres, Auteur ; Andrea Siebert Raths, Auteur ; Renate Messing, Auteur ; Paul F. Filz, Auteur |
| Année de publication : |
2018 |
| Article en page(s) : |
p. 46-49 |
| Langues : |
Anglais (eng) |
| Catégories : |
Bioplastiques
Gauchissement (matériaux)
Matières plastiques -- Moulage par injection
Simulation par ordinateur
Température
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
It is difficult to use bioplastics in engineering parts due to a lack of processing data. However, these data are very important for making a change from conventional to bio-based plastics. They are essential for simulating process parameters and designing injection molds for economical processing. |
| Note de contenu : |
- Compatibility of bioplastics for series applications
- Simulation versus reality
- Lower mold and demolding temperatures used
- Fig. 1 : The simulated warpage shows very significant differences for the investigated bioplastics. This material behavior is one of the big challenges for simulation
- Fig. 2 : In the simulation of the flow-front temperature, filling difficulties can be seen by the strong cooling of the melt in the keys
- Fig. 3 : In the first step, it was only investigated whether the simulation agreed with practice, without process optimization. Undulating structures and strong warpage occur at the surface of the material
- Fig. 4 : Simulation and practical result of a process, in which there is changeover to holding pressure at 97% mold filling. The keys are not completely filled in the front region
- Table 1 : Liste of the bioplastics investigated. The tests with Ingeo 32052D are presented in greater detail in the article
- Table 2 : The injection parameters from PLA nature works Ingeo 3052D from the simulation and after th eprocess optimization. Since the bio-based copolymer has a low crystallization rate, lower mold temperature should be set in practice |
| En ligne : |
https://drive.google.com/file/d/1f1iZ9-OpnpIVVNuxdacYEC6LHFrOfJ2e/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31540 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 108, N° 11 (11/2018) . - p. 46-49
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