摘要
概述了旋转成型的基本原理、制品可大可小、无内应力等基本特征、摇滚式等５种设备类型和ＰＥ等原料种类，介绍了国内外发展情况和制品的应用范围。
The principle of rotational molding for plastic products,characteristics such as variable in measure,non-residual stress and so on,5 kinds of rocking-rolling equipments and raw materils,such as PE,etc.are reviewed.The development at home and abroad and application fields are introduced.
