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Optimization of runner sizes and process conditions considering both part quality and manufacturing cost in injecting molding

  • Ming Zhai EMAIL logo , Changyu Shen , Chuntai Liu and Jingbo Chen
Published/Copyright: October 18, 2011
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Journal of Polymer Engineering
From the journal Volume 31 Issue 6-7

Abstract

Part quality and manufacturing cost are the key concerns of injection molding designers. The desired design can produce high quality parts with minimum manufacturing cost. The factors affecting part quality and manufacturing cost are discussed and a multi-objective optimization methodology presented to optimize runner sizes and process conditions simultaneously to achieve high quality parts with low manufacturing cost. This methodology optimizes a population of solutions and promotes individuals within the population according to Pareto-optimal criteria. A set of Pareto solutions was obtained, whereby each solution was both better and worse in at least one objective compared to another individual of the population. A weighted sum approach was employed to select the appropriate design parameters from the Pareto set.


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Published Online: 2011-10-18
Published in Print: 2011-11-01

©2011 by Walter de Gruyter Berlin Boston

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