| 无熔接痕液晶电视机支撑座的浇注系统优化设计 |
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| 引用本文： | 肖方成,欧相麟,卜海涛,吴世见.无熔接痕液晶电视机支撑座的浇注系统优化设计[J].中国塑料,2008(5). |
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| 作者姓名： | 肖方成 欧相麟 卜海涛 吴世见 |
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| 作者单位： | 四川大学高分子科学与工程学院; |
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| 摘 要： | 根据熔接痕形成的机理,分析了由传统浇注系统成型的液晶电视机支撑座的熔接痕形成原因。通过对浇注系统进行创新式设计,让流经两个浇口的熔体首先在二级流道中汇合,然后以扩展流的形式进行充模。利用 Mold-flow 对液晶电视机支撑座进行充模流动模拟分析,结果发现这种新型的浇注系统可以有效避免制品熔接痕的形成。
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| 关 键 词： | 液晶电视机支撑座 无熔接痕技术 注射成型 浇注系统 优化设计 |
Optimum Design of Runner System for LCD TV Underprops without Weld Lines |
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| XIAO Fang-cheng OU Xiang-lin BU Hai-tao WU Shi-jian.Optimum Design of Runner System for LCD TV Underprops without Weld Lines[J].China Plastics,2008(5). |
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| Authors: | XIAO Fang-cheng OU Xiang-lin BU Hai-tao WU Shi-jian |
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| Affiliation: | College of Polymer Science and Engineering;Sichuan University;Chengdu 610065;China |
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| Abstract: | The mechanism of weld line formation in LCD TV underprops molded by traditional runner system was analyzed.In a novel design of runner system,the .melt would pass two gates and meet in a second runner and subsequently fill the mould in the form of an expansion flow.The melt flow process in the molding of LCD TV underprops was analyzed using Moldflow software.It was found that the novel design could effectually avoid the weld line formation in the products. |
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| Keywords: | LCD TV underprop no weld line technology injection molding runner system optimum design |
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