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한영현(Y. H. Han),이경훈(K. Lee),서창희(C.H. Suh),이재진(J.J. Lee),임용희(Y.H. Lim) 한국소성가공학회 2015 한국소성가공학회 학술대회 논문집 Vol.2015 No.5
An approach of design improvement for uniform cooling of cooling channels of hot press forming (HPF) dies is presented. The approach is based on CFD simulation and analysis of relative velocity of sectional velocity profiles. Potential problematic regions in cooling channels that can potentially cause irregular cooling can be quickly identified merely through velocity simulation of cooling channels. Two types of widely-used HRF dies that are really used in shop flows are investigated and suggestions of design improvements for them are illustrated with some examples.