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이준형(J.H. Lee),김혁(H. Kim),윤범영(B.Y. Yoon),최영환(Y.H. Choi),안종호(J.H. Ahn),류민영(M.-Y. Lyu) 한국소성가공학회 2010 금형가공 심포지엄 Vol.2010 No.11
Injection molding process is one of the most widespread shaping operations in plastic industry. Mold design is most important in injection molding to get precise product. In this study, mold design has been investigated and manufacturing the mold. In mold design stripper plate has been adopted for the ejection of part from the stationary mold rather than moving mold to avoid ejecting marks. In injection molding operation polypropylene resin was used and semi transparency coin case was molded.