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콤팩트 파우더 화장품용 고밀폐 용기 제작을 위한 이중사출 성형해석 고찰
김건희(G. H. Kim),윤길상(G. S. Yoon),이정원(J. W. Lee),손종인(J. I. Sohn),김유진(Y. J. Kim),이중배(J. B. Lee) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.10
Recently, in the products through injection molding process, it was manufactured to apply more than two resins according to parts of functionality and aesthetic appreciation and double-injection molding process was for that. Double-injection molding is some kind of technology that two resins was injected in one mold at the same time. Thereby, it is had advantage for productivity. In earlier study, first and second injection molding cycle time was different for each other. Because, each two resins were considered independently in injection molding analysis research that it was drew the conclusions of injection molding process conditions. In this study, the first and second injection molding cycle time was drew conclusions to consider the characteristics of double-injection molding process that has a same cycle time during first and second injection molding. The injection time, packing time and cooling time that were made up the injection molding cycle time, were decided to consider first and second deflection of products, gate part frozen time and whole parts frozen time for each parts.