Design optimization using soft computing techniques for extrusion blow molding processes

Jyh-Cheng Yu, Tsung-Ren Hung, Jyh-Yeong Juang & Francis Thibault
The control of thickness distribution in extrusion blow molded parts is critical to assure product quality and reduce manufacturing cost. This study applies the soft computing strategy to determine the optimal die gap in the parison programming of extrusion blow molding process. Two types of optimization problem are addressed in this study. The process optimization objective is obtaining a uniform thickness of blown parts, and the design optimization objective is minimizing part weight subject to...
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