http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
금형의 탄성변형을 고려한 포트홀 압출공정의 유한요소해석
정석환(S. H. Chug),이장호(J. H. Lee),이민철(M. C. Lee),전만수(M. S. Joun) 한국소성가공학회 2016 한국소성가공학회 학술대회 논문집 Vol.2016 No.4
In this paper, non-steady state finite element simulation of a porthole extrusion process for manufacturing a radiation pipe under isothermal assumption is conducted with emphasis on effect of elastic deformation of dies. Effect of die elastic deformation on forming load and deformed shape of material is investigated, revealing that consideration of die elastic deformation is inevitable for precision or optimized die orifice design in extrusion of aluminum bars with complicated cross-sections. It is shown that extrusion simulation considering die elastic deformation is numerically stable, compared with forging simulation. It is, of course, due to steady-state behavior of forming load in extrusion.