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김경민(K.M. Kim),이기연(K.Y. Lee),손동휘(D.H. Sohn),박근(K. Park) 한국소성가공학회 2010 금형가공 심포지엄 Vol.2010 No.11
In the design of the injection molding process, various parameters including mold design parameters and molding conditions should be investigated to improve the part quality. The mold temperature is the one of important process parameters that affects the flow characteristics, surface appearance, part deformation, mechanical properties, etc. Numerical analyses have been used to predict the temperature distribution of the mold under the given cooling or heating conditions. However, the conventional approaches have been performed by assuming that the mold material is a single solid even though a number of plates are assembled to construct an injection mold. In the present study, a numerical approach considering the thermal contact resistance is proposed to provide more reliable prediction of the mold temperature distribution by reflecting the heat-resistance between assembled mold plates.