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논문 기본 정보

자료유형
학술저널
저자정보
손정훈 (일진베어링) 김세웅 (일진글로벌) 최병호 (고려대학교) 이승표 (일진글로벌)
저널정보
한국트라이볼로지학회 Tribology and Lubricants Tribology and Lubricants 제37권 제1호
발행연도
2021.2
수록면
7 - 13 (7page)

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초록· 키워드

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Ball bearing is a device that supports and transmits a load acting on a rotating shaft, and it is a type of rolling bearings that uses the rolling friction of the balls by inserting balls between the inner ring and the outer ring. Grease, which is prepared by mixing a thickener with a base oil, is a lubricant commonly used in bearings and has the advantage of a simple structure and easy handling. Bearings are increasingly being used in high value-added products such as semiconductors, aviation, and robots in the era of the 4th industrial revolution. Accordingly, there is an increasing demand for bearing grease. The selection of grease is an important factor in the bearing design. Therefore, a study must be conducted on the grease life evaluation to select an appropriate grease according to operating conditions such as a high temperature, high rotational speed, and high load. In this study, we evaluate the life of ball-bearing grease according to various operating conditions, namely, temperature, speed, and load changes. For this, we develop and theoretically verify a grease life test machine for ball bearings. We conduct a life test of grease according to various operating conditions of bearings and predict the grease life with a 10% and 50% failure probability using the Weibull analysis. In addition, we analyze the oxide characteristics of the grease over time using the Fourier transform infrared spectroscopy and the deterioration characteristics of the grease using the carbonyl index.

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Abstract
1. 서론
2. 볼 베어링용 그리스 수명시험기
3. 볼 베어링용 그리스 수명시험
4. 결론
References

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