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

在点浇口形式的模具或无流道模具中也用种形式主流道。

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注射模浇注系统设计中型的排布、非平衡排布时欲达同时充满型浇口尺寸的计算及调试。