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백태현(Tae Hyun Baek),박태근(Tae Geun Park),최희진(Hoi-Jin Choi),박상덕(Sang-Duk Park) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
Predicting the behaviour of steel during a deformation process, and then under service conditions, is one of the main challenges in cold forming. The design of optimized forging schedules, by means of conventional trial and error methods, has become increasingly heavy in terms of time and cost in a competitive environment. During the last few years, numerical simulations have become a very efficient tool to arrive these goals. In this paper, finite element analysis is used to analyze the distribution of residual stress components of a rod with respect die angle and/or area reduction in cold drawing process. The results obtained from finite element method will be compared with those of physical behaviors, for example, differences in residual stress pattern during slitting.
강봉의 냉간 인발시 발생하는 잔류응력 성분에 관한 유한요소 해석
백태현,최희진 국립7개대학공동논문집간행위원회 2005 공업기술연구 Vol.5 No.-
Prediction the behaviour of steel during a deformation process under service conditions is one of the main challenges in cold forming, The design of optimized forging schedules, by means of conventional trial and error methods, has become increasingly heavy in terms of time and cost in a competitive environment. During the last few years, numerical simulations have become a very efficient tool to arrive these goals. In this paper, finite element analysis was used to analyze the distribution of residual stress components in a rod with respect die angle and/or area reduction in cold drawing process. Cold drawing brought sunken-in deformation at the bottom land of the rod that was in accord with the result obtained from the analysis using ABAQUS. The results obtained from finite element analysis were in close agreement with the determined high-accuracy measurements.