樹脂射出成形の研究 : 第3報,ボスにおける熱的局部過収縮現象

概要

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In the injection molding process, when the melted resin solidified by the cooling effect from the die, non-equivalence of the cooling history caused the Sink-mark growth in the resin, near boss structures. In this study, relations between Sink-Mark depth in the boss structure and some molding parameters are experimentally evaluated, and especially the effect of the forming pin is considered. Also, cooling simulation by thermal analysis is done. In considering the P-V-T characteristics and cooling history of the resin, the experimental results are quantitatively explained.
一般社団法人日本機械学会の論文
1988-04-25