基于综合平衡法的RHCM成型LCD电视机前面壳工艺优化研究

Process Parameter Optimization for Front Shell of LCD Television Manufactured by Rapid Heat Cycling Molding Technology Based on Synthetical Balance Analysis Method

在综合利用正交实验法、CAE 分析和数据处理技术的基础上,对快速冷热成型技术(RHCM)成型 LCD 电视机前面壳成型工艺进行了优化研究。通过实验设计及数值模拟获得样本数据,结合方差分析技术确定了该产品各成型品质指标的显著性影响因素;进而通过级差分析和综合平衡分析研究得出了该产品的最佳工艺因素组合,并经实验验证了该优化组合的工艺可行性。

Compared with the traditional injection molding technology, rapid heat cycling molding （RHCM） can remarkably improve the replication capability of polymer melt to cavity, eliminate some potential molding defects and increase rigidity and strength of the part. The process parameter optimization of a front shell of LCD television manufactured by RHCM technology was investigated by coupling with orthogonal experiment, CAE analysis and data processing technology. The most important process parameters influencing each main quality index were determined based on analysis of variance （ANOVA） method firstly. Then the more optimum parameter set was found based on range analysis and synthetical balance analysis technology. The case results showed that the method was feasible and effective on processing quality optimization of high-gloss surface plastic part.