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링 롤링 공정에서 링 치수에 따른 블랭크 치수 최적화에 관한 연구
남윤건(Yoon-Gun Nam),김상윤(Sang-Yun Kim),전찬후(Chan-Hu Jeon),성경진(Kyung-Jin Sung),문영훈(Young-Hoon Moon) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.5
The ring rolling design includes geometry design and optimization of process variables. In ring rolling, the finished ring dimensions include both the cross-sectional shape and the diameter. Therefore, the blank volume assumes would alter the final product dimensions, because the volume remains unchanged during the rolling operation. So, it is significant to design initial blank sizes. In this study, optimized dimension of blank according to target ring dimension was predicted by using FEM analysis and physical modeling experiment with lead-based was used. A commercial FEM code, Forge2008 was used to simulate the effect of various blank sizes.