| 长规格透明塑件注射中熔接痕位置的控制方法 |
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| 引用本文： | 刘琼. 长规格透明塑件注射中熔接痕位置的控制方法[J]. 福建工程学院学报, 2009, 7(4) |
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| 作者姓名： | 刘琼 |
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| 作者单位： | 福建工程学院,材料科学与工程系,福建,福州,350108 |
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| 基金项目： | 福建省教育厅科技计划项目，福建省科技计划重点项目，福建工程学院科研发展基金项目 |
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| 摘 要： | 长规格透明塑料件注射成型时,熔接痕大小和位置不易控制.针对该问题,提出了利用数值模拟技术预测和控制熔接痕位置的方法.首先,以高档办公用的透明支架塑件为研究对象,分析了长规格精密塑件产品的结构和成型性能特点;然后采用计算机模拟方法,对浇口位置进行分析.通过变换多种浇注系统设计方案,预测熔接痕位置,并得到优化的浇注系统.该方法可以用于指导长规格塑料件注射成型模具设计,有效控制产品的外观质量.
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| 关 键 词： | 长规格塑料件 熔接痕 浇注系统 缺陷控制 |
Positions control of the melt-lines in precise injection of long-sized transparent plastic |
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| Liu Qiong. Positions control of the melt-lines in precise injection of long-sized transparent plastic[J]. ournal of Fujian University of Technology, 2009, 7(4) |
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| Authors: | Liu Qiong |
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| Affiliation: | Materials Science and Engineering Department;Fujian University of Technology;Fuzhou 350108;China |
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| Abstract: | Numerical simulation method was proposed to better control the size and position of melting-lines formed in the injection of long-sized transparent plastic.Transparent plastic(PP) frame used in office was utilized to analyze the geometrical and forming features of long-sized plastic.Computer simulation was conducted to obtain the flow gate.Different runner systems were switched to better predict the size and position of the melting-lines.An optimized runner system was obtained.The results show that the meth... |
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| Keywords: | long-sized plastic weld-line runner system defects control |
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