基于全因子DOE薄壁塑件成型多目标工艺分析  

Multi-Objective Process Analysis of Thin-Walled Plastic Parts Based on Full Factor DOE

作　　者：黄永程 HUANG Yongcheng(Guang Dong Polytechnic College,Zhaoqing,Guangdong 526100,China)

机构地区：[1]广东理工学院,广东肇庆526100

出　　处：《塑料》2021年第1期29-33,共5页Plastics

基　　金：2018广东省普通高校青年创新人才项目(2018KQNCX314)。

摘　　要：基于Minitab软件,建立了2水平4因子的全因子DOE实验设计,以模具温度、熔体温度、压缩速度和压缩距离4个因子,最大翘曲变形量及平均体积收缩率为评价指标。将薄壁塑件——电脑屏幕外壳作为分析对象,基于Moldflow软件采用注塑压缩成型技术,通过对全因子DOE实验进行设计及分析,确定了模具温度、熔体温度、压缩速度及压缩距离4个因子对塑件的影响,并绘制了交互作用图,得到了最佳注塑压缩成型工艺参数组合方案,并对该工艺组合方案进行了模拟验证。最终确定了最佳工艺参数组合:模具温度为75℃、熔体温度为270℃、压缩速度为10 mms-1、压缩距离为1.5 mm,得到的最大翘曲变形为0.9866 mm,平均体积收缩率最大为8.614%。Based on Minitab software,a full factor DOE experimental design with 2 levels and 4 factors were established.The four factors including mold temperature,melt temperature,compression speed and compression distance,maximum warpage and average volume shrinkage were used as evaluation indexes.Taking the thin-walled plastic part computer screen shell as the analysis object,based on Moldflow software and adopting injection compression molding technology,through the design and analysis of the full factor DOE experiment,the influence of four factors on the plastic parts,namely mold temperature,melt temperature,compression speed and compression distance,was determined,and the interaction diagram was drawn,and the optimal combination scheme of injection compression molding process parameters was obtained The process combination scheme was simulated and verified.Finally,the combination of process parameters was determined:The die temperature was 75℃,the melt temperature was 270℃,the compression speed was 10 mms-1,the compression distance was 1.5 mm,the maximum warpage deformation was 0.9866 mm,and the maximum average volume shrinkage was 8.614%.

关 键 词：Minitab 全因子DOE 最大翘曲变形量 平均体积收缩率 薄壁塑件 

分 类 号：TQ320.66[化学工程—合成树脂塑料工业]