Secondary gas penetrations in ribs during full-shot gas-assisted injection molding
โ Scribed by Sen-Yeu Yang; Chui-Te Lin; Jer-Haur Chang
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 227 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0730-6679
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๐ SIMILAR VOLUMES
Large, thin, plate-shaped parts are usually strengthened with structural ribs. Ribs also serve as gas channels with gas-assisted technology. Gas penetration in the gas channels results in improved moldability and also eliminates sink marks and prevents warpage. However, gas leaves the rib core void,
Numerical simulations and experimental studies concerning melt flow and primary as well as secondary gas penetration during the filling and the postfilling stages in gas-assisted injection molding of a thin plate with a semicircular gas channel design were conducted. Distribution of the skin melt th