A design method of non-symmetry flowing balance for right angle extrusion die of polymeric double-lumen micro-tube

JIN Guobao; WANG Minjie; ZHAO Danyang; TIAN Huiqing

doi:10.3969/j.issn.0438-1157.2012.11.014

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A design method of non-symmetry flowing balance for right angle extrusion die of polymeric double-lumen micro-tube

更新时间：2025-12-10

- A design method of non-symmetry flowing balance for right angle extrusion die of polymeric double-lumen micro-tube
- CIESC Journal Issue 11, Pages: 3478-3485(2012)
- 作者机构：
  
  大连理工大学机械工程学院,辽宁,大连,116024
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.11.014
  CLC： G76TQ320
- Online First：05 November 2012，
  
  Published：05 November 2012
- 稿件说明：
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JIN Guobao, WANG Minjie, ZHAO Danyang, et al. A design method of non-symmetry flowing balance for right angle extrusion die of polymeric double-lumen micro-tube[J]. CIESC Journal, 2012, (11): 3478-3485.
DOI：

JIN Guobao, WANG Minjie, ZHAO Danyang, et al. A design method of non-symmetry flowing balance for right angle extrusion die of polymeric double-lumen micro-tube[J]. CIESC Journal, 2012, (11): 3478-3485. DOI： 10.3969/j.issn.0438-1157.2012.11.014.

摘要

针对聚合物双腔微管直角挤出模具非对称流道结构

基于聚合物流动平衡原理

建立了直角挤出模具非对称流道结构参数关系。在直角挤出模具的挤出成型方向上

采用反向流道的方法计算流道长度

并对反向流道的终点进行拟合

基于拟合偏差构建了目标函数

对模具非对称流道结构进行了优化设计。根据优化结果设计制造了双腔微管直角挤出模具

并且进行了挤出成型实验。实验结果表明挤出模具非对称流道设计是合理的

证明了聚合物双腔微管直角挤出模具非对称流动平衡设计方法的正确性和有效性。

Abstract

A design method for right angle die with non-symmetric flow channels for double-lumen micro-tubes was presented by using flow balance of polymers.First

based on the flow balance of polymers

a relationship among the structural parameters of non-symmetric flow channels in the right angle die was built.Second

in the opposite direction of extrusion

the lengths of the flow channels that were created by the relationship were calculated

and the ends of the lengths were fitted.Then

there was an objective function for the structural optimization of the flow channel in the right angle die to be established through the fitting deviations.Finally

the non-symmetric flow channels in the right angle die were designed and manufactured according to the optimization results.The experimental results of extrusion indicated that the design for the non-symmetric flow channels of extrusion die was reasonable and the design method for right angle extrusion die of polymeric double-lumen micro-tube according to the non-symmetric flowing balance was correct and effective.

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