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논문 기본 정보

자료유형
학술저널
저자정보
Khine Myat Swe (Chungnam National University) Md Nasim Reza (Chungnam National University) Milon Chowdhury (Chungnam National University) Mohammod Ali (Chungnam National University) Sumaiya Islam (Chungnam National University) Sang-Hee Lee (Rural Development Administration) Sun-Ok Chung (Chungnam National University) Soon Jung Hong (Korea National College of Agriculture and Fisheries)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.49 No.2
발행연도
2022.6
수록면
269 - 284 (16page)

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초록· 키워드

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The development of radish collectors has the potential to increase radish yields while decreasing the time and dependence on human labor in a variety of field activities. Stress and fatigue analyses are essential to ensure the optimal design and machine life of any agricultural machinery. The objectives of this research were to analyze the stress and fatigue of major components of a tractor-mounted radish collector under dynamic load conditions in an effort to increase the design dependability and dimensions of the materials. An experiment was conducted to measure the shaft torque of stem-cutting and transferring conveyor motors using rotary torque sensors at different tractor ground speeds with and without a load. The Smith-Watson-Topper mean stress equation and the rain-flow counting technique were utilized to determine the required shear stress with the distribution of the fatigue life cycle. The severity of the operation was assessed using Miner"s theory. All running conditions produced more than 107 of high cycle fatigue strength. Furthermore, the highest severity levels for motor shafts used for stem cutting and transferring and for transportation joints and cutting blades were 2.20, 4.24, 2.07, and 1.07, and 1.97, 3.81, 1.73, and 1.07, respectively, with and without a load condition, except for 5.24 for a winch motor shaft under a load. The stress and fatigue analysis presented in this study can aid in the selection of the most appropriate design parameters and material sizes for the successful construction of a tractor-mounted radish collector, which is currently under development.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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