自增强塑料管的挤出成型

Extrusion of Auto Reinforcing Plastic Tube

探讨了纤维增强塑料管自动取向的挤出成型机理，并进行了实验验证，指出机头扩张角对纤维取向度有很大影响，并且扩强角存在最佳值。此外还预测了扩张机头流道长度，面积扩张比、塑料熔体粘度对取向度也有影响。

The self orienting extrusion mechanism of fibre reinforced plastics tube is presented,and verified by experiments .It is pointed out that the die expanding angle affects on fibre orientation ratio greatly,and there is an optimum value.It is also predicted that the orientation ratio responds to the die channel length,the channel area expanding ratio of die and plastics melt viscosity.