Multi-objective optimization for minimizing weldline and cycle time in rapid heating cycle molding using variable packing pressure profile
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- TSURITA Shogo
- Graduate School of Natural Science and Technology, Kanazawa University
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- KITAYAMA Satoshi
- Advanced Manufacturing Technology Institute, Kanazawa University
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- TAKANO Masahiro
- Machinery and Metal, Industrial Research Institute of Ishikawa
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- YAMAZAKI Yusuke
- Sodick Co., Ltd.
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- KUBO Yoshikazu
- Sodick Co., Ltd.
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- AIBA Shuji
- Sodick Co., Ltd.
Bibliographic Information
- Other Title
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- 可変保圧力プロファイルを用いた型温加熱冷却成形によるウェルドラインとサイクルタイムの多目的最適設計
Abstract
<p>In plastic injection molding (PIM), weldline affects the strength and surface quality of products, and it is then important to determine the optimal process parameters for the weldline reduction. Rapid heat cycle molding (RHCM) that actively controls the mold temperatures is an effective PIM technology to weldline reduction, but requires long cycle time. In this paper, variable pressure profile that packing pressure varies during the PIM process is incorporated in the RHCM in order to shorten the cycle time. To determine the process parameters in the proposed RHCM, multi-objective design optimization is performed. The mold temperature is maximized for the weldline reduction, whereas the cycle time is minimized for high productivity. Numerical simulation in the proposed RHCM is computationally so expensive that sequential approximate optimization is used to identify the pareto-frontier. Based on the numerical result, the experiment using PIM machine (MS100, Sodick) is also conducted to examine the validity of the proposed RHCM.</p>
Journal
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- Transactions of the JSME (in Japanese)
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Transactions of the JSME (in Japanese) 88 (914), 22-00048-22-00048, 2022
The Japan Society of Mechanical Engineers
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Keywords
Details 詳細情報について
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- CRID
- 1390856815742338688
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- ISSN
- 21879761
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- KAKEN
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- Abstract License Flag
- Disallowed