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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.19 No.4
- 발행연도
- 2005.4
- 수록면
- 936 - 946 (11page)
이용수
초록· 키워드
오류제보하기
The liquid nitrogen as an environmentally safe coolant has been widely recognized in cryo-genic machining, its function as a lubricant is plausible due to its chemical inertness, physical volatility and low viscosity. Since a reduced friction is a direct witness of the lubrication effect from a tribological viewpoint, this paper presents an evaluation of the apparent friction coefficient on the tool-chip interface in cryogenic cutting operations to prove and characterize the lubricity of LN2 in cryogenic machining. The cryogenic cutting technology used in this study is based on a cooling approach and liquid nitrogen delivery system which are intended to apply liquid nitrogen in well-controlled fine jets to selectively localized cutting zones and to penetrate liquid nitrogen to the tool-chip interface. It has been found that the apparent friction coefficient can be significantly reduced in cryogenic machining, depending on the approach of liquid nitrogen delivery.
목차
Abstract
1. Introduction
2. Models for Evaluating the Normal and Frictional Forces
3. Experimental Setup
4. Results and Discussion
5. Conclusion
Acknowledgment
References
참고문헌 (14)
참고문헌 신청
Arsecularatne, J. A., Fowle, R. F. and Mathew, P., 1998, “Prediction of Chip Flow Direction, Cutting Forces and Surface Roughness in Finish Turning," J. of Manufacturing Science and Engineering, Transaction of the ASME, Vol.120/1, pp.1~7
Boothroyd, G. and Knight, W. A., 1989, “Fundamentals of Machining and Machine Tools," Marcel Dekker Inc., 2nd edtion.
Fillipi, A. D. and Ippolite, R., 1971, “Facing Milling at -180섭씨.C," Annals 19 (2), pp. 314~322.
Hong, S. and Ding, Y., 2001, “Cooling Approaches and Cutting Temperatures in Cryogenic Machining of Titanium Alloy Ti-6Al-4V," Int. J. of Machine Tools and Manufacture, Vol. 41/10, pp.1417~1437.
Hong, S., Markus, I. and Jeong, W., 2001, “New Cooling Approach and Tool Life Improvement in Cryogenic Machining of Titanium Alloy Ti-6Al-4V," Int. J. of Machine Tools and Manufacture, Vol.41/10, pp.2245~2260
Boothroyd, G. and Knight, W. A., 1989, “Fundamentals of Machining and Machine Tools," Marcel Dekker Inc., 2nd edtion.
Fillipi, A. D. and Ippolite, R., 1971, “Facing Milling at -180섭씨.C," Annals 19 (2), pp. 314~322.
Hong, S. and Ding, Y., 2001, “Cooling Approaches and Cutting Temperatures in Cryogenic Machining of Titanium Alloy Ti-6Al-4V," Int. J. of Machine Tools and Manufacture, Vol. 41/10, pp.1417~1437.
Hong, S., Markus, I. and Jeong, W., 2001, “New Cooling Approach and Tool Life Improvement in Cryogenic Machining of Titanium Alloy Ti-6Al-4V," Int. J. of Machine Tools and Manufacture, Vol.41/10, pp.2245~2260
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