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气辅成型过程气体穿透行为与工艺参数优化的试验研究
引用本文:李倩,王小峰,申长雨,董斌斌,董金虎. 气辅成型过程气体穿透行为与工艺参数优化的试验研究[J]. 化工学报, 2006, 57(10): 2469-2474
作者姓名:李倩  王小峰  申长雨  董斌斌  董金虎
作者单位:郑州大学橡塑模具国家工程研究中心,河南 郑州 450002; 陕西理工学院材料科学与工程学院,陕西 汉中 723003 ;
摘    要:基于带平板的回形管式气体辅助成型样件对气体穿透行为和残余壁厚与气辅工艺参数的关系进行了研究分析.试验结果表明,气辅工艺参数如气体延迟时间、气体注射压力和熔体预注射量是影响气体辅助成型中气体穿透长度和残余壁厚的重要因素,而各参数间的交互作用致使气体穿透与残余壁厚的变化趋势更为复杂.

关 键 词:气辅成型  气体穿透  残余壁厚
文章编号:0438-1157(2006)10-2469-06
收稿时间:2006-03-10
修稿时间:2006-03-102006-07-19

Experimental study on gas penetration and RWT in GAIM
LI Qian,WANG Xiaofeng,SHEN Changyu,DONG Binbin,DONG Jinhu. Experimental study on gas penetration and RWT in GAIM[J]. Journal of Chemical Industry and Engineering(China), 2006, 57(10): 2469-2474
Authors:LI Qian  WANG Xiaofeng  SHEN Changyu  DONG Binbin  DONG Jinhu
Affiliation:1. National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450002, Henan, China; 2.Shaanxi University of Technology, Hanzhong 723003, Shaanxi, China
Abstract:The gas penetration behavior and the processing parameter determination in gas assisted injection molding(GAIM) was studied.The experiment was performed in a shape tube with a flat surface.And the effects of several important parameters on the remaining wall thickness(RWT)and the length of gas penetration were analyzed.The result revealed that the parameters,such as gas delay time,gas injection pressure and the volume(%) filled melt were the important factors affecting the changes of the length of gas penetration and the RWT in GAIM,and the interaction of these parameters caused variation in the effect of a single parameter.
Keywords:gas-assisted injection molding   gas penetration   residual wall thickness
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