淡江大學機構典藏:Item 987654321/118248
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    题名: Investigation on the internal mechanism of the deviation between numerical simulation and experiments in injection molding product development
    作者: Huang, Chao-Tsai;Hsu, Yi-Hsuan;Chen, Bo-Syuan
    关键词: injection molding;warpage;simulation;deviation
    日期: 2019-05
    上传时间: 2020-03-12 12:10:33 (UTC+8)
    出版者: Elsevier
    摘要: In recent years, many automation technologies and equipment are applied for new injection molding systems for Industry 4.0. However, a lot of the existed injection machines or systems are not ready for automation yet. Before automatic manufacturing, how to retain good quality is one of the crucial factors in injection molding. In this study, we have proposed a feasible system to study the deviation difference between numerical simulation and experiment in injection molding product development. We also developed a decoupled procedure to analyze the internal mechanism of the deviation between numerical simulation and experiment. To verify our concept, we have performed the decoupled procedures on the proposed round disc system based on the same external driving force changes. Results showed that the internal driving force of shrinkage change is almost the same for both numerical simulation and experiment study. The main reason for the deviation difference is due to the response lag of the injection speed in the real experiment. The deviation difference between numerical simulation and experiment is reduced by 36% after corrected the packing pressure. Moreover, after calibrated the injection response, the deviation difference between numerical simulation and experiment has been reduced by 56%.
    關聯: Polymer Testing 75, p.327-336
    DOI: 10.1016/j.polymertesting.2019.02.028
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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