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

在浇口形式的模具或无流道模具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.

本文塑料扣码为例介绍了多腔注射模浇注系统设计中型腔的布、非布时欲达到同时充满型腔浇口尺寸的计算及调试。