Evaluation on Weld-line in Articles Molded by injection compression molding

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  • 射出プレス成形における成形品ウエルドラインの評価
  • シャシュツ プレス セイケイ ニ オケル セイケイヒン ウエルドライン ノ ヒョウカ

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Description

Injection compression molding is an effective method to solve various molding defects . In particular, it is said that it is effective both for the improvement of the transcript of molded articles and for the decrease of weld-line. However very few studies on injection compression molding are reported, in particular, on qualitative weld-line examination. In this study, the effectiveness in the decrease of weld-line was compared between injection molding and injection press molding (one kind of technique of injection compression molding) using PC/ABS. The ditch depth of weld-line was deeper in case of injection molding, whereas it was shallower in injection press molding.

Journal

  • Seikei-Kakou

    Seikei-Kakou 23 (1), 56-62, 2011

    The Japan Society of Polymer Processing

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