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논문 기본 정보

자료유형
학술저널
저자정보
J.Y Byun (Pusan National University) Na-Ram Park (Pusan National University) S.W Chung (Pusan National University) S.H Kwon (Pusan National University) S.G Kwon (Pusan National University) J.M Park (Pusan National University) J.S Kim (Pusan National University) Won-Sik Choi (Pusan National University)
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제14권 제1호
발행연도
2015.2
수록면
70 - 77 (8page)

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초록· 키워드

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This paper develops and evaluates a mechanical machining process which involves drilling on PVS material. According to the material, two treatment experiments were conducted, one involving drilling in a wet condition or using a lubricant and one involving drilling in a dry condition with no lubricant. Drilling in a dry condition showed better performance in terms of the cutting time than in the wet condition. Otherwise, the wet condition has several advantages. The lubricant influenced the burr diameter size and minimized the temperature on the surface of the work piece. During the wet condition drilling process, a smaller burr diameter size was noted as compared to the dry condition. The temperature showed a linear correlation with the drill bit size, where a least-square analysis provided an R<SUP>2</SUP>valuewhichexceeded 0.95. The wet condition required more cutting time than the dry condition. In this condition, the water provides a lubrication effect. A thin layer between the cutting edges and the surface of the work piece is formed. The chip formation is affected by the drilling depth. The color on the tips of the chips was darker than in the initial condition. No correlation between the drilling depth and the bore roughness was noted, but the variation of the cutting speed or the RPM influenced the roughness of the bore. The optimum cutting speed ranged from 40 RPM to 45 RPM in the condition which provided the finest roughness surface.

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ABSTRACT
1. Introduction
2. Experiment Details
3. Result And Discussion
4. Conclusion
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UCI(KEPA) : I410-ECN-0101-2016-581-002077451