It showed that the melt filled length could be forecasted through the flow field simulation, with an error 7.
结果表明，通过流场模拟的方法可以预测组合流道在挤出过程中的熔体充满长度，其误差为7。
Using the theory of compensation effect between compress ratio and the length of straight section, the pressure of flow channel were mainly study according its influence on melt line.
利用压缩比与平直段的长度存在补偿效应的结论，从压力分布及压力降的比较中考察其对熔接痕形成的影响。
The flow condition of plastic melt in the extrusion die is analysed in this paper, and the design method of the die lip-length for plastic plate extrusion is also given.
分析塑料熔体在板模机头中的流动状况，并给出板模机头模唇设计方法。
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