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李金山02

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Optimization Of Injection Molding Parameters For Led Lampshade

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King Sun Lee

Keywords： micro injection;LED lampshade;shrinkage;Taguchi method.

Abstract：The unibody of LED(light-emitting diodes)lampshades is fabricated by injection mold;the forming tech-nique is complicated,especially for multi-cavity mold.This study applies a finite element analysis to explore the influences of the shrinkage of LED lampshades.The effect of selected injection parameters and their levels on shrinkage size,and the subsequent design of experiments were accomplished using the Taguchi method.The results were confirmed by experiments,which indicated that the selected injection parameters effectively reduce the shrinkage.The error between optimal estimated value and verified value is within 3.82％

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