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논문 기본 정보

자료유형
학술저널
저자정보
이동건 (Korea Institute of Machinery and Materials) 문상곤 (Korea Institute of Machinery and Materials) 박영준 (Seoul National University) 심우람 (Hanwha aerospace) 심성보 (Kyungpook National University) 김수철 (Korea Institute of Machinery and Materials)
저널정보
유공압건설기계학회 드라이브·컨트롤 드라이브·컨트롤 Vol.21 No.1
발행연도
2024.2
수록면
22 - 30 (9page)

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초록· 키워드

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Gearboxes designed for reciprocating motion operating mechanisms operate under conditions where both the load and speed undergo continuous variations. When conducting durability tests on gearboxes designed for such applications, operating the target gearbox under conditions similar to the intended usage is essential. The gearbox must be operated for the required number of cycles to validate its durability under conditions mirroring its intended usage. This study devised an accelerated test method for gearboxes, which reduces operating angles and operational strokes. The reliability of the accelerated test was verified by comparing the stresses imposed on the gears under general and acceleration conditions through multi-body dynamic simulations. The results confirmed that the maximum contact stress levels under normal and accelerated conditions were within a 0.1% error range, indicating a minimal difference in the gear damage rates. However, a difference in the maximum contact stress results between the normal and accelerated conditions was observed when inertial forces acted on the output shaft due to the operational acceleration of the gearbox. Therefore, when conducting this acceleration test, caution should be exercised to ensure that the operational load on the gearbox, which affects inertia, does not significantly deviate from the conditions observed under normal operating conditions.

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Abstract
1. 서론
2. 대상 기어박스
3. 가속시험 구성
4. 기어박스 시뮬레이션 모델
5. 기어박스 해석
6. 결론
Reference

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