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
오류제보하기
Recently, the engraving of letters or a pattern on a product surface has received more attention especially in trying to satisfy the customer requirements. Half-piecing is a protrusion forming process that pierces only 40~50% of the material thickness. In the current study, the half-piercing technique for making clear letters by protruding sheet material was selected and studied. The influence of clearance and penetration depth was investigated by measuring the camber and extruded length of a protrusion after experiments. In addition, a numerical analysis was performed for the same working conditions and compared with experimental results. It is shown that, as the clearance increases, the camber of a protrusion increases rapidly and the extruded length decreases slightly. The deformation pattern around the cutting edge during half-piercing changes from an extrusion mode to a shearing mode as the clearance changes from minus to plus values. It is also confirmed that the experimental results show a good agreement with the numerical analyses.
목차
Abstract
1. 서론
2. 실험 및 해석
3. 결과 및 고찰
4. 결론
REFERENCES
참고문헌 (6)
참고문헌 신청
1. [단행본] - D. F. Eary / 1974 / Techniques of Press Working Sheet Metal / Prentice-Hall : 198 ~ 199
2. [학술지(정기간행물)] - S. K. Maiti / 2000 / Assessment of Influence of Some Process Parameters on Sheet Metal Blanking / J. mater. Process. Technol 102 (1) : 249 ~ 256
3. [학술지(정기간행물)] - Y. J. Kim / 2000 / Finite Element Analysis on Effect of Die Clearance on Shear Planes in Fine Blanking / Trans. Mater. Process 9 (2) : 724 ~ 729
4. [학술지(정기간행물)] - K. B. Lee / 2003 / A Study on the Blanking Characteristic of Anti-vibration Sheet Metal / Trans. Mater. Process 12 (8) : 152 ~ 158
5. [학술지(정기간행물)] - C. S. Namoco Jr. / 2007 / Effects of Embossing and Restoration Process on the Deep Drawability of Aluminum Alloy Sheets / J. mater. Process. Technol 187 : 202 ~ 206
2. [학술지(정기간행물)] - S. K. Maiti / 2000 / Assessment of Influence of Some Process Parameters on Sheet Metal Blanking / J. mater. Process. Technol 102 (1) : 249 ~ 256
3. [학술지(정기간행물)] - Y. J. Kim / 2000 / Finite Element Analysis on Effect of Die Clearance on Shear Planes in Fine Blanking / Trans. Mater. Process 9 (2) : 724 ~ 729
4. [학술지(정기간행물)] - K. B. Lee / 2003 / A Study on the Blanking Characteristic of Anti-vibration Sheet Metal / Trans. Mater. Process 12 (8) : 152 ~ 158
5. [학술지(정기간행물)] - C. S. Namoco Jr. / 2007 / Effects of Embossing and Restoration Process on the Deep Drawability of Aluminum Alloy Sheets / J. mater. Process. Technol 187 : 202 ~ 206
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UCI(KEPA) : I410-ECN-0101-2014-550-003439789