컴퓨터 응용설계기술(CAE)을 이용한 자동차용 서브-프레임 부품의 하이드로포밍 공법 설계
Hydro-Forming Process Design of Automotive Sub-Frame Parts by Using CAE
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초록
Recently, the use of tubes in the manufacturing of the automobile parts has increased and therefore many automotive manufactures have tried to use hydro-forming technology. The hydro-forming technology may cause many advantages to automotive applications in terms of better structural integrity of the parts, lower cost from fewer part count, material saving, weight reduction, lower spring-back, improved strength and durability and design flexibility. In this study, the whole process of sub-frame parts development by tube hydro-forming using steel material is presented. At the part design stage, it requires feasibility study and process design aided by CAE (computer aided design) to confirm hydro-formability in details. Overall possibility of hydro-formable sub-frame parts could be examined by cross sectional analyses. All the components of prototyping tools are designed and interference with press is examined from the point of geometry and thinning.
Abstract
Recently, the use of tubes in the manufacturing of the automobile parts has increased and therefore many automotive manufactures have tried to use hydro-forming technology. The hydro-forming technology may cause many advantages to automotive applications in terms of better structural integrity of the parts, lower cost from fewer part count, material saving, weight reduction, lower spring-back, improved strength and durability and design flexibility. In this study, the whole process of sub-frame parts development by tube hydro-forming using steel material is presented. At the part design stage, it requires feasibility study and process design aided by CAE (computer aided design) to confirm hydro-formability in details. Overall possibility of hydro-formable sub-frame parts could be examined by cross sectional analyses. All the components of prototyping tools are designed and interference with press is examined from the point of geometry and thinning.
참고문헌 (5)
- K. J. Kim, "Conical tube hydro-forming design of automotive instrument panel beams using computer aided engineering", Material- Wissenschaft und Werkstofftechnik, 44(5), pp.354~359 (2013)
- 김기주, "컴퓨터 시뮬레이션(CAE)을 이용한 자동차용 엔진 크레들의 하이드로-포밍 공정 연구", 한국자동차공학회 논문집, 16(1), pp.86~92 (2008), 한국자동차공학회
- 김기주, "컴퓨터 시뮬레이션(CAE)을 이용한 자동차용 AA6061 리어 서브-프레임 사이드멤버의 하이드로-포밍 공정 개발", 한국자동차공학회 논문집, 18(5), pp.45~49 (2010), 한국자동차공학회
- 김기주, "컴퓨터 시뮬레이션을 이용한 자동차용 텐션 링크의 경량 설계", 대한기계학회논문집 A, 41(6), pp.561~566 (2017), 대한기계학회
- 성창원, "자동차용 리어서브-프레임크로스멤버의 하이드로포밍 가공 시뮬레이션", 한국기계기술학회지, 10(2), pp.9~13 (2008), 한국기계기술학회