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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2003년 추계학술대회논문집
발행연도
2003.11
수록면
1,303 - 1,309 (6page)

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초록· 키워드

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This paper presents the static and dynamic measurements for the strength and motion characteristics as
well as the improved procedures to assess strength of wheel loaders. Two scenarios for static measurement
were decided by which cylinder was actuating. The dynamic measurement was performed for two types of
motion, that is, simple reciprocation of the working devices and actual working motion including traveling,
digging and dumping. The measured items were stresses, cylinder pressures and strokes. Stress induced by
bucket working showed higher level than that by boom working. The measured cylinder speeds were
relatively superior to the design speeds. Working stress histories were thought to be closer to static rather than
dynamic. A fully assembled FE model was prepared for structural analysis. In this paper, a more simple
method was suggested to avoid nonlinearity caused by heave of rear frame under digging forces. Also how
brake affected on structural behavior and digging force was examined closely in relation with tire pressure. It
was confirmed that the overall stress level of wheel loader during turning traveling with loaded bucket was far
lower than the yield stress of material.

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Abstract

1.서론

2. 계측

3. 강도 평가

4.결론

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UCI(KEPA) : I410-ECN-0101-2009-550-014218679