Warpage optimization and influence factor analysis of injection-molding

GAO Yuehua; WANG Xicheng

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Warpage optimization and influence factor analysis of injection-molding

更新时间：2025-12-10

- Warpage optimization and influence factor analysis of injection-molding
- CIESC Journal Issue 6, Pages: 1575-1580(2007)
- 作者机构：
  
  大连理工大学工业装备结构分析国家重点实验室
- 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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GAO Yuehua, WANG Xicheng. Warpage optimization and influence factor analysis of injection-molding[J]. CIESC Journal, 2007, (6): 1575-1580.
DOI：

GAO Yuehua, WANG Xicheng. Warpage optimization and influence factor analysis of injection-molding[J]. CIESC Journal, 2007, (6): 1575-1580. DOI：

摘要

注塑制品的翘曲变形是一种严重的缺陷;本文提出一个最小化制品翘曲变形的近似优化方法。该方法用Moldflow软件进行制品的翘曲变形分析;借助于Kriging模型建立翘曲与优化参量间的函数关系;然后利用所建立的近似函数进行优化设计。以手机壳制品为例;用模具温度、熔体温度、注射时间和保压压力做设计变量;对制品进行了翘曲优化设计。结果表明;所提出的方法可以有效地减小制品的翘曲变形;最后对优化结果及影响因素做了较详尽的分析。

Abstract

Warpage is a serious defect for the injection-molded parts.In this work

an approximate optimization method based on the Kriging model was proposed to do warpage optimization.Molflow software was used to analyze the warpage deformation of the injection-molded parts

and mold temperature

melt temperature

injection time and packing pressure were regarded as process parameters.The Kriging model provided the approximate mapping relationship between warpage and the parameters

replacing the warpage analysis of Moldflow in the optimization.Taking the cover of a phone for example

the result of the example showed that the optimization method could decrease effectively warpage deformation.Moreover

the optimization result and influence factors were analyzed in detail.

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