The design of extrusion complex die on unplasticized PVC pipes is presented.With thedie preesure decrease in theory calculated during extursion applied scope of the die is verified.in this paper.

  • 介绍了硬质PVC管材挤出复合模头的设计,推导了模头的熔作流动、压力降,验证了模头的应用范围.
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