介绍了气辅注射成型过程概述及其一般应用范围，重点论述了气辅注射成型模具进气针结构设计。
Gas aid injection moulding procedure is summarized and its applying area is introduced, as well as, injector structural design of gas injection moulding mold is mainly stated.
首先概述了橡胶模具的分类和基本概况，分析了橡胶模具的独有特点。
First has outlined the rubber mold classification and the basic survey, analyzed the rubber mold to be in sole possession of the characteristic.
本文概述了滚塑成型的基本原理、工艺特点和模具设计要点。
Basic principles of rotational moulding, process features and mould design criteria are introduced in this article.
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