자동차 서스펜션 모듈개발을 위한 전착도장 공정 수치 해석
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Digital manufacturing technology is one of meaningful advancements which enable the less development lead time in automotive industries. This study applied CFD simulation to the development process of automotive parts such as front/rear suspension modules and cross/center members. Through the calculation of e-coating process, design specification can be evaluated in early stage of development in terms of manufacturing processes. The multi-phase and volume of fluid (VOF) physics model are used to predict macroscopic bubble entrapments and problems in drainage problem during dip-out process. The paint thickness distributions are also considered by applying electromagnetic governing equations with fluid flow analysis. The meaningful criteria in this study can pave the way to reduce the labor of design validation tests and related time cost.
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