Based on these models,the three dimensional isothermal numerical simulation and experimental study were carried out for the die swell of the T-shaped plastic profile extrusion from a gas-assisted die.

• 文章建立了描述塑料异型材气辅挤出成型过程的理论模型,对T型异型材气辅口模挤出成型过程进行了三维等温数值模拟和实验研究。