A modified form of sprue gate is also used on underfeed moulds and runnerless moulds.

在点浇口形式或无流道中也用到另一种形式主流道。

In this paper, the arrangement of cavities, the dimension calculation of sprues and gates and the method of mold-testing for a special hooks multi-cavitis plastic injection mold are introduced.

本文以塑料扣码为例介绍了多腔注射浇注系统计中型腔排布、非平衡排布时欲达到同时充满型腔浇口尺寸计算及调试。