根据对四种不同浇口位置的研究，浇口位置2和3可能是最佳的，因为均匀的填充模式和流动应力的最小化。正如前面所讨论的，浇口位置3可能比浇口位置2更好，由于在启动过程中针套的前端会出现过多的短射倾向。
针盖的注塑模具分析英文文献和翻译(6):http://www.youerw.com/fanyi/lunwen_758.html
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