- 스프링형 블랭크홀더 시스템의 디프드로잉 가공에서 다이면 윤활효과에 관한 연구
- ㆍ 저자명
- 이종국,강명순
- ㆍ 간행물명
- 自動車工學會誌
- ㆍ 권/호정보
- 1989년|11권 3호|pp.49-59 (11 pages)
- ㆍ 발행정보
- 한국자동차공학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
The purpose of this paper is to obtain the effect of die lubrication in deep drawing process. The flange wrinkling is analysed by a moment equilibrium method in order to apply the optimum blankholding force to the blank. The experiment has been carried out with the high stiffness spring-type blankholder system. As the result, blankholding pressure is determined in terms of variables in deep drawing process. In the range of frictional coefficient which has been found in this experiment, there was a little difference in required blankholding force but a great difference in drawing force. It was found that the stiffness of blankholder was the major factor which influences on flange wrinkling in spring-type blankholder system.