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논문 기본 정보

자료유형
학술저널
저자정보
조상경 (동아대학교) 박정우 (동아대학교) 조연상 (동아대학교)
저널정보
한국트라이볼로지학회 Tribology and Lubricants 윤활학회지 제33권 제4호
발행연도
2017.8
수록면
141 - 147 (7page)

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초록· 키워드

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The vibration data of bearings are very useful for monitoring and determining the condition of the bearings. The defect frequencies of ball bearings have been used for monitoring there condition. However, it is not easy to verify the defect frequencies as the wear progress. Therefore there is a need for an easy method to monitor the damages of bearings in real-time and to observe the variations in vibration characteristics as the wear progress. In this study, a bearing test equipment is constructed to diagnose the damage of bearings. The friction coefficient and vibration data are measured by using a torque sensor and an acceleration sensor, and the correlation between the measured data is analyzed to diagnose the condition of the bearing. We reached the following conclusions from the results. When the ball surface, inner and outer rings of a ball bearing are damaged, the friction coefficient increases to over 0.02 with an adhesion on the surface. Moreover this damage occurs more quickly with an increase in the number of revolutions. In the vibration characteristics, the amplitude of vibration wave appears high with an increase in the friction coefficient. In the high frequency range between 1000 and 2000 Hz, a wide range of frequency components with high amplitude occurs continuously irrespective of the number of revolutions.

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Abstract
1. 서론
2. 연구방법 및 내용
3. 결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2018-551-001272145