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논문 기본 정보

자료유형
학술저널
저자정보
이부윤 (계명대학교)
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제19권 제2호
발행연도
2020.2
수록면
81 - 88 (8page)

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초록· 키워드

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The damping hinge of a built-in refrigerator was examined in terms of its stress and fatigue life. Analysis of the initial design showed that stress concentration occurred at the concave surface of the hinge lever, which was broken during the door opening-and-closing endurance test of the prototype. The maximum von Mises stress at this location exceeded the yield strength. In addition, Goodman fatigue analysis of the initial design showed that the fatigue life at this location was consistent with the failure observed during the endurance test. Based on these results, an improved design for the damping hinge was derived. Analysis of this improved design showed that the stress concentration in the hinge lever of the initial design was eliminated. In this case, the maximum stress occurred at the position where the hinge lever was in contact with the door stopping pin, and the maximum von Mises stress was smaller than the yield strength. Goodman fatigue analysis of the improved design indicated that the fatigue life of the entire damping hinge was infinite. It was therefore concluded that the improved design does not suffer from fatigue damage during the endurance test.

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ABSTRACT
1. 서론
2. 초기설계안의 응력해석
3. 설계개선안의 응력해석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2020-581-000344983