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김현수(H.S. Kim),한병윤(B.Y. Han),이일천(I.C. Lee),김영만(Y.M. Kim),박형구(H.K. Park) 한국전산유체공학회 2012 한국전산유체공학회지 Vol.17 No.2
Design of the cooling channels of a plastic injection mold affects the quality and the productivity of the injection processes. In the injection process, the melted resin with high temperature enters the mold cavity, and just after the cavity is filled the heat should be dissipated through the cooling channels simultaneously. The purpose of this study is to analyse the heat transfer phenomenon and to estimate the temperature distribution in the mold to evaluate the cooling effect of the channels. The injection mold is assumed to have cooling channels of circular cross section and each channel has the same coolant flow rate. and The cavity has a rectangular shape. The results show that as the cooling channels get closer to the cavity surface, the cooling efficiency increases as might easily be guessed. However, due to the final hot resin flow from the gate an intensive cooling is required in that region.
김현수(H.S. Kim),한병윤(B.Y. Han),이일천(I.C. Lee),김영만(Y.M. Kim),박형구(H.K. Park) 한국전산유체공학회 2011 한국전산유체공학회 학술대회논문집 Vol.2011 No.11
Design of the cooling channels of a plastic injection mold effects the quality and productivity of the injection processes. In the injection process the melted resin with high temperature enter the mold cavity and just after the cavity is filled the heat should be dissipated through the cooling channels simultaneously. The purpose of this study is to analyse the heat transfer phenomenon and to evaluate the temperature distribution in the mold to evaluate the cooling effect of cooling channels. The injection mold has 4 cooling channels of circular cross section and each channel has the same coolant flow rate, and the cavity has the rectangular shape. The results show that as the cooling channels get closer to the cavity surface, the cooling efficiency increases as might easily guessed.