[1]李海梅,申长雨,顾元宪..注塑件成型尺寸质量预测的数值方法[J].郑州大学学报(工学版),2001,22(01):26-29,32.[doi:10.3969/j.issn.1671-6833.2001.01.007]
　Li Haimei,Shen Changyu,Gu Yuanxian.A numerical method for predicting the dimensional quality of injection molded parts[J].Journal of Zhengzhou University (Engineering Science),2001,22(01):26-29,32.[doi:10.3969/j.issn.1671-6833.2001.01.007]

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注塑件成型尺寸质量预测的数值方法()

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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:

22卷

期数:

2001年01期

页码:

26-29,32

栏目:

出版日期:

1900-01-01

文章信息/Info

Title:

A numerical method for predicting the dimensional quality of injection molded parts

作者:

李海梅; 申长雨; 顾元宪.

郑州工业大学橡塑模具国家工程研究中心,, 大连理工大学工业装备国家重点实验室,

Author(s):

Li Haimei; Shen Changyu; Gu Yuanxian

关键词:

热残余应力;  翘曲;  注塑件

Keywords:

thermal residual stress;  warping;  Injection molded parts

DOI:

10.3969/j.issn.1671-6833.2001.01.007

文献标志码:

A

摘要:

不均匀的热残余应力及其变形是注塑成型加工中常见的工程问题之一.应用热流变简单材料的二维热粘弹本构方程得到的递推公式，数值模拟了成型中的热残余应力及其翘曲变形，并用数值实验讨论了温度、压力对注塑件残余应力及变形的影响，发现温度变化不均匀是注塑件翘曲变形的最主要原因，其影响远大于压力的作用，与工程实验的结论一致.

Abstract:

Uneven thermal residual stress and its deformation are one of the common engineering problems in injection molding processing. The recursive formula obtained by applying the two-dimensional thermoviscous constitutive equation of thermally rheological simple materials numerically simulates the thermal residual stress and its warpage deformation in molding, and discusses the influence of temperature and pressure on the residual stress and deformation of injection molded parts by numerical experiments, and finds that uneven temperature change is the most important cause of warpage deformation of injection molded parts, and its influence is much greater than the effect of pressure, which is consistent with the conclusion of engineering experiments.

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