| Titre : |
Feel-good ambient lighting demands perfection : Witosa supplies a hot runner system for complex applications in a premium vehicle |
| Type de document : |
texte imprimé |
| Auteurs : |
F. Stephan Auch, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 37-39 |
| Langues : |
Anglais (eng) |
| Catégories : |
Automobiles -- Eclairage
Canaux chauffants
Diodes électroluminescentes
Eclairage
Matières plastiques -- Moulage par injection
Matières plastiques dans les automobiles
Polycarbonates
|
| Index. décimale : |
668.4 Plastiques, vinyles |
| Résumé : |
Tool manufacturer Vema was looking for a suitable hot runner system for a complicated injection molding component - the LED strip of a luxury SUV center console. The challenges : two temperature-sensitive plastics, extremely low shot weights and extremely high demands on the quality of the finished class A part. Hot runner expert Witosa developed a solution based on its product range and provided assistance with the process optimization. |
| Note de contenu : |
- Large number of possible combinations means short project lifetime
- 2-Component manufacturing with a rotating tool
- Small temperature window as a challenge
- Filling problem quickly solved
Fig. 1 : A design light band runs along the edge of a cup holder in a new luxury SUV, following the contour to discreetly illuminate the entire length
- Fig. 2 : The 8.8 light designer light band consists of two components : transparent polycarbonate for the light guide and semi-transparent polycarbonate for the diffuser
- Fig. 3 : 2-component hot runner system : to achieve a high throughput and short dwell times with a shot weight of 3.6 g per nozzle for component one and 0.8 g per nozzle for component two, Witosa works with a very small hole, which is completely flushed through |
| En ligne : |
https://drive.google.com/file/d/12FHbt2bSWTrlPPsvfZ0iF-fUg1Tu-akZ/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32140 |
in KUNSTSTOFFE INTERNATIONAL > Vol. 109, N° 3 (03/2019) . - p. 37-39
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Feel-good ambient lighting demands perfection in KUNSTSTOFFE INTERNATIONAL, Vol. 109, N° 3 (03/2019)
