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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.36 No.9
- 발행연도
- 2019.9
- 수록면
- 793 - 802 (10page)
- DOI
- 10.7736/KSPE.2019.36.9.793
이용수
초록· 키워드
오류제보하기
Powder mixed electrical discharge machining (PMEDM) is a new machining technology. The optimization of process parameters in PMEDM is being researched. The determination of the value of the weights of quality indicators in a multiobjective optimization problem is often complex and difficulty. Preferential selection index (PSI) is a new computational technique for solving multi-objective problems. This contributes to the process of solving the multi-objective optimization problems. In this study, material removal rate (MRR) and surface roughness (SR) were optimized with the help of the PSI method. The specimen and tool materials, electrode polarity, current, pulse-on-time, pulse-off-time and powder concentration were considered. The investigation showed that powder concentration can increase MRR with lower SR. The most significant factor was the electrode material. The optimal values were found as SKD11 (workpiece), Gr (tool), + (polarity), 5 ㎲ (ton), 57 ㎛ (toff), 8A (current) and 10 g/l (powder concentration) with a high accuracy of 7.82%. The electrode material and powder concentration could provide strong influence on the performance measures owing to their importance on determining spark energy in the PMEDM. The research results were compared with those of TOPSIS, GRA and MOORA methods. In conclusion, PSI is the method for the highest efficiency.
목차
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusion
REFERENCES
참고문헌 (26)
참고문헌 신청
Park, J. Y., Jeon, E. C., and Jeong, J. H., “Influence on EDM Surface with the Copper and Graphite Electrode According to the Discharge Energy,” Journal of the Korean Society for Precision Engineering, Vol. 14, No. 5, pp. 53-59, 1997.
Jeon, D.-H., Kim, B. H., and Chu, C. N., “Micro Machining by EDM and ECM,” Journal of the Korean Society for Precision Engineering, Vol. 23, No. 10, pp. 52-59, 2006.
Kwon, W.-T. and Kim, Y.-C., “Process Optimization for Productivity Improvement during EDM Machining of a Micro- Hole,” Journal of the Korean Society of Manufacturing Technology Engineers, Vol. 21, No. 4, pp. 556-562, 2012.
Talla, G., Gangopadhayay, S., and Biswas, C., “State of the Art in Powder-Mixed Electric Discharge Machining: A Review,” Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 231, No. 14, pp. 2511- 2526, 2017.
Son, S.-M., “Improvement of Micro-Hole EDM Efficiency Using Vibration Flushing,” Journal of the Korea Academia-Industrial Cooperation Society, Vol. 12, No. 2, pp. 623-628, 2011.
Jeon, D.-H., Kim, B. H., and Chu, C. N., “Micro Machining by EDM and ECM,” Journal of the Korean Society for Precision Engineering, Vol. 23, No. 10, pp. 52-59, 2006.
Kwon, W.-T. and Kim, Y.-C., “Process Optimization for Productivity Improvement during EDM Machining of a Micro- Hole,” Journal of the Korean Society of Manufacturing Technology Engineers, Vol. 21, No. 4, pp. 556-562, 2012.
Talla, G., Gangopadhayay, S., and Biswas, C., “State of the Art in Powder-Mixed Electric Discharge Machining: A Review,” Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 231, No. 14, pp. 2511- 2526, 2017.
Son, S.-M., “Improvement of Micro-Hole EDM Efficiency Using Vibration Flushing,” Journal of the Korea Academia-Industrial Cooperation Society, Vol. 12, No. 2, pp. 623-628, 2011.
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UCI(KEPA) : I410-ECN-0101-2019-555-000968202