外部气体辅助注塑制品翘曲变形数值模拟

doi:10.19491/j.issn.1001-9278.2020.03.008

中国塑料 ›› 2020, Vol. 34 ›› Issue (3): 48-53.DOI: 10.19491/j.issn.1001-9278.2020.03.008

外部气体辅助注塑制品翘曲变形数值模拟

肖清武¹^,²,柳和生¹∗,黄益宾²

（1.南昌大学聚合物成型研究室，江西南昌 330031；2.上饶师范学院，江西省塑料制备成型重点实验室，江西上饶334001）

收稿日期:2019-08-26 修回日期:2020-02-17 出版日期:2020-03-26 发布日期:2020-03-26
基金资助:
江西省高等学校科技落地计划项目（KJLD13087）

Numerical Simulation on Warpage of External Gas?Assisted Injection?Molded Parts

XIAO Qingwu¹^,², LIU Hesheng¹∗, HUANG Yibin²

(1.Polymer Processing Laboratory of Nanchang University , Nanchang 330031, China；2.The Key Laboratory of Jiangxi Province on Preparation of Materials, Shangrao Normal University, Shangrao 334001, China)

Received:2019-08-26 Revised:2020-02-17 Online:2020-03-26 Published:2020-03-26

摘要/Abstract

摘要： 基于聚合物黏弹性理论与外部气体辅助注塑（EGAIM）的特点，构建了EGAIM气体保压阶段及脱模后自然冷却阶段制品内应力?应变的力学模型。在此基础上，采用耦合有限元法（FEM）对EGAIM平板制件的翘曲变形进行模拟计算，模拟结果与实验结果基本一致，验证了所建计算模型有效可靠。

肖清武, 柳和生, 黄益宾. 外部气体辅助注塑制品翘曲变形数值模拟[J]. 中国塑料, 2020, 34(3): 48-53.

XIAO Qingwu, LIU Hesheng, HUANG Yibin. Numerical Simulation on Warpage of External Gas?Assisted Injection?Molded Parts[J]. China Plastics, 2020, 34(3): 48-53.

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外部气体辅助注塑制品翘曲变形数值模拟

Numerical Simulation on Warpage of External Gas?Assisted Injection?Molded Parts

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