- 박판금속 성형공정에서의 블랭크 설계및 변형률 예측
- ㆍ 저자명
- 이충호,허훈,Lee. Choong-Ho,Huh. Hoon
- ㆍ 간행물명
- 大韓機械學會論文集. Transactions of the Korean Society of mechanical engineers. A. A
- ㆍ 권/호정보
- 1996년|20권 6호|pp.1810-1818 (9 pages)
- ㆍ 발행정보
- 대한기계학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
A new finite elemetn approach is introduced for direct prediction of bland shapes and strain distributions from desired final shapes in sheet metal forming. The approach deals with the geometric compatibility of finite elements, plastic deformation theory, minimization of plastic work with constraints, and a proper initial guess. The algorithm developed is applied to cylindrical cup drawing, square cup drawing, and fron fender forming to confirm its validity by demonstratin reasonable accurate numerical results of each problems. Rapid calculation with this algorithm enables easy determination of various process variables for design of sheet metal forming process.