Effect of process parameters on hollow ratio of pipe part  by gas-assisted injection molding

DONG Binbin; SHEN Changyu; LI Qian; LIU Junyi

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Effect of process parameters on hollow ratio of pipe part by gas-assisted injection molding

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- Effect of process parameters on hollow ratio of pipe part by gas-assisted injection molding
- CIESC Journal Issue 6, Pages: 1587-1591(2007)
- 作者机构：
  
  郑州大学橡塑模具国家工程研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 June 2007，
  
  Published：05 June 2007
- 稿件说明：
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DONG Binbin, SHEN Changyu, LI Qian, et al. Effect of process parameters on hollow ratio of pipe part by gas-assisted injection molding[J]. CIESC Journal, 2007, (6): 1587-1591.
DOI：

DONG Binbin, SHEN Changyu, LI Qian, et al. Effect of process parameters on hollow ratio of pipe part by gas-assisted injection molding[J]. CIESC Journal, 2007, (6): 1587-1591. DOI：

摘要

气体辅助注射成型的工艺参数与最后制件的中空程度有直接的关系。采用计算机模拟技术;分析了熔体温度、模具温度、气体延迟时间、预注射量和进气压力对中空率的影响。得到预注射量和进气压力对中空率的变化最为敏感;熔体温度升到一定范围后对中空率没有影响;对于圆管制件;气体延迟时间对中空率影响不明显的结论。

Abstract

The effects of processing parameters of gas-assisted injection molding(GAIM) on the hollow ratio of the pipe parts was studied.The process parameters

such as melt temperature

mold temperature

gas delay time

melt filled volume and gas pressure

were investigated by means of computer aided engieering(CAE) simulation.Numerical examples showed that the hollow ratio was sensitive to melt filled volume and gas pressure.Melt temperature and mold temperature had no influence on the hollow ratio when the temperature reached a specific range.Gas delay time did not have obvious influence on the hollow ratio.

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浙江工业大学生物与环境工程学院

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