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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
Pa-Ul Lee (Chungnam National University) Sun-Ok Chung (Chungnam National University) Chang-Hyun Choi (Sungkyunkwan University) Jai-Hwang Joo (HAN’A SS) Joong-Yong Rhee (Seoul National University) Young-Soo Choi (Chonnam National University) Jong-Woo Ha (KSF) Young-Jun Park (Korea Institute of Machinery & Materials) Sun-Jung Hong (Rural Development Administration) Yong-Joo Kim (Chungnam National University)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.43 No.4
발행연도
2016.12
수록면
656 - 664 (9page)

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Gear reducers are widely used for various agricultural machinery applications such as greenhouses, tractors, and agricultural vehicles. However, thermal deformation and surface pitting at gear tooth flank frequently occur in gear reducers due to high torque. Thus, surface heat treatment of gears is required to improve wear and fatigue resistance. The objective of this study was to simulate the load capacity of the agricultural gear reducer. The simulation was performed for the following three surface heat treatment methods: untreated gears, nitriding heat treatment, and induction hardening method, those mostly used for agricultural gear reducers. The load capacity of the gear reducer was simulated using the safety factor, limit bending stress, and limit contact stress of the gear. The simulation of the load capacity was conducted using KISSsoft commercial software for gear analysis. The main results of simulation test were as follows: first, the nitriding heat treatment resulted in the highest safety factor for bending stress, which was increased about 77% from those of the untreated gears. Second, the induction hardening was the highest safety factor for contact stress, which was increased about 150% from those of the untreated gears. The safety factor for contact stress of the induction hardening was increased about 64% from those of the nitriding heat treatment. The study result suggested that the surface heat treatments could enhance load capacity and that the method of surface heat treatment should be determined based on simulation results for appropriate use scenarios.
#gear design software #gear reducer #load capacity #surface heat treatment

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References

참고문헌 (15)

참고문헌 신청
[학술지(정기간행물)] - 변재혁 / 2015 / 열처리 냉각방식 변화에 따른 SCr420HB 헬리컬 기어 시뮬레이션적용에 관한 연구 / 열처리공학회지 28 (1) : 24 ~ 31 dbpia [학술지(정기간행물)] - Cho JR / 2002 / Analysis of the heat treatment process on bevel gears / Journal of the Korean Society of Mechanical Engineers : 1471 ~ 1476 google schola [학술대회논문] - Chong TH / 2010 / A study on the stress analysis of planetary gear system according to existence of carrier / Journal of the Korean Society of Manufacturing Technology Engineers : 54 ~ google schola [학술대회논문] - Han MS / 2009 / A study on verification and automatic design program of gears / Journal of the Korean Society of Manufacturing Technology Engineers : 368 ~ 373 google schola [학위논문] - Hwang JG / 2005 / Robust design of spur and helical gears using AGMA specifications / Ph.D / Changwon National Univ google schola

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