Warpage Analysis of Injection Molded Thin-Walled Chassis Part by RSM and FEM

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Journal of Advances in Manufacturing Engineering
Volume:1 Issue:2
Warpage Analysis of Injection Molded Thin-Walled Chassis Part by RSM and FEM

Warpage Analysis of Injection Molded Thin-Walled Chassis Part by RSM and FEM

Authors : Uğur DEMİRCİ, Mirigül ALTAN

Pages : 63-70

View : 47 | Download : 10

Publication Date : 2020-06-01

Article Type : Research Paper

Abstract :Warpage is one of the common defects seen in thin-walled injection moldings. There are several ways to reduce warpage in injection molding process such as optimizing process conditions, changing mold design or part design. In this study, warpage of the injection molded thin-walled chassis part of an air conditioner was investigated by finite element method insert ignore into journalissuearticles values(FEM); and response surface method insert ignore into journalissuearticles values(RSM);. The material was polypropylene with 20% glass fiber and 4% chemical foaming agent. The key parameters in FEM analysis and RSM were cooling time, mold temperature and flow rate of the coolant. It has been seen that mold temperature was the most significant parameter on warpage. RSM and FEM were satisfactorily successful in predicting the warpage values.
Keywords : Plastic Injection Molding, Thin Walled, Warpage, Finite Element Analysis, Response Surface Method

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