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논문 기본 정보

자료유형
학술저널
저자정보
이재원 (한국철도기술연구원) 함영삼 (한국철도기술연구원) 석창성 (성균관대학교)
저널정보
Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.34 No.12
발행연도
2017.12
수록면
867 - 872 (6page)
DOI
10.7736/KSPE.2017.34.12.867

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초록· 키워드

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Domestic railway-maintenance technologies have been developed over more than 100 years of railway operation. Based on these technologies, we are striving to localize the vehicular parts, while the component localization is currently from 90-95%. Foreign manufacturers’ products, however, are still used in the manufacturing of major core components. Bearings are one of the key components in the support of the rotating shaft, and they are the essential components of major railway parts, like axles, electric motors, and gears, as they ensure the running stability of railway vehicles at high speeds. Among them, the axle bearings need to be protected against damage not only due to the possibility of a failure, but also to avoid railway accidents, so a high reliability and stability are required. Therefore, the durability test of axle bearings is both costly and time-consuming. In South Korea, the development of axle bearings has not occurred, but several test benches for a bearing-durability test have recently been developed. The characteristic curve was created using the temperature change according to the rotational speed of the bearing, and the acceleration index was obtained from this characteristic curve.

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1. 서론
2. 철도차량용 베어링의 종류와 수명
3. 실험방법
4. 결과 및 고찰
5. 향후 연구 방향
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