지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Micro-drawn parts have received wider acceptance as products become smaller and more precise. The subject of this study was the deformation characteristics of ultra thin sheet metal in micro drawing of a rectangular shaped part. The influence of drawing speed and blank holding force on the product quality was investigated in micro-drawing of ultra thin sheet of beryllium copper (C1720) alloy. The specimen had a diameter of 4.8 mm and a thickness of 50 ㎛. Experiments were carried out in which, different blank holding force and drawing speed were considered. The product quality was evaluated by measuring the thickness and hardness along two specified directions, namely, the side and diagonal directions. The distribution of the thickness strain showed severe thinning especially around the punch radius in both directions. In the diagonal direction, thickening occurred in the flange area due to the axi-symmetric drawing mode. The increase of blank holding force and/or drawing speed was found to cause severe thinning around the punch radius. The blank holding force had a greater effect on thinning of the product than the drawing speed.
목차
Abstract
1. 서론
2. 실험준비
3. 실험결과 및 고찰
4. 결론
참고문헌
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - M. Geiger / 2001 / Microforming / CIRP Ann 50 (2) : 445 ~ 462
2. [학술지(정기간행물)] - M. Geiger / 1994 / Metal Forming of Micro Parts for Electronics / Prod. Eng 2 (1) : 15 ~ 18
3. [학술지(정기간행물)] - F. Vollertsen / 2004 / State of the Art in Micro Forming and Investigations into Micro Deep Drawing / J. Mater. Process. Technol 151 (1) : 70 ~ 79
4. [학술지(정기간행물)] - H. J. Lee / 2006 / Development of Micro Metal Forming Manufacturing System / Mater. Sci. Forum 505 (1) : 19 ~ 24
5. [학술지(정기간행물)] - Z. Hu / 2011 / Realisation and Application of Size Dependent FEM-simulation for Deep Drawing of Rectangular Work Pieces / CIRP J. Manuf. Sci. Technol 4 (1) : 90 ~ 95
2. [학술지(정기간행물)] - M. Geiger / 1994 / Metal Forming of Micro Parts for Electronics / Prod. Eng 2 (1) : 15 ~ 18
3. [학술지(정기간행물)] - F. Vollertsen / 2004 / State of the Art in Micro Forming and Investigations into Micro Deep Drawing / J. Mater. Process. Technol 151 (1) : 70 ~ 79
4. [학술지(정기간행물)] - H. J. Lee / 2006 / Development of Micro Metal Forming Manufacturing System / Mater. Sci. Forum 505 (1) : 19 ~ 24
5. [학술지(정기간행물)] - Z. Hu / 2011 / Realisation and Application of Size Dependent FEM-simulation for Deep Drawing of Rectangular Work Pieces / CIRP J. Manuf. Sci. Technol 4 (1) : 90 ~ 95
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