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마이크로 헤링본 패턴 점진성형공정의 해석 및 실험적 연구
송정한(J. H. Song),이혜진(H. J. Lee),박진호(J. Park),이율(Y. Lee),최석우(S. Choi),이형욱(H. W. LEe) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.5
In this paper, the forming process for the herringbone pattern is conducted through a finite element simulation and experimental verification. The investigated parameters from the analysis are the variation of groove depth, forming load, and amount of the elastic recovery in elasto-plastic micro forming. Analysis result demonstrates that the groove was uniformly shaped with depth of 3㎛ considering the elastic recovery except the tip area. The simulation result is coinciding with experimental one. This result reveals that the incremental forming can be utilized to make the herringbone pattern on the bearing shaft.