Stress Simulation on Four-Bar Link-Type Transplanting Device of Semiautomatic Vegetable Transplanter

Sri Markumningsih, Seok-Joon Hwang, Jeong-Hun Kim, Moon-Kyeong Jang and Ju-Seok Nam ()
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Sri Markumningsih: Department of Agricultural and Biosystems Engineering, Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
Seok-Joon Hwang: Department of Biosystems Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
Jeong-Hun Kim: Department of Biosystems Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
Moon-Kyeong Jang: Department of Biosystems Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
Ju-Seok Nam: Department of Biosystems Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea

Agriculture, 2023, vol. 14, issue 1, 1-13

Abstract: The aim of this study is to analyze the stress exerted on a four-bar link-type transplanting device using two distinct methods: stress measurement performed during a field test and stress simulation. A field test is conducted to measure stress using a strain gauge positioned at 15 specific points on the transplanting device. Subsequently, the measured strain data are converted into calculated stress data. In another method, stress is simulated using specialized multibody dynamic simulation software. The simulation results are compared with the stress measured during field tests to verify the simulation model. Based on the results, the maximum stress derived from the simulation correlates with the measured results, although notable discrepancies are shown, particularly at strain gauge positions 11 and 13. The maximum stress derived from the simulation is used to calculate the static safety factor of the transplanting device. The peak stress derived from the simulation aligns with the measured results, although significant discrepancies are observed at positions corresponding to strain gauges 4 and 10. The maximum stress (150.82 MPa) is observed on the link of the transplanting device, and the static safety factor determined via the simulation is 1.39.

Keywords: four-bar link-type; static safety factor; stress simulation; transplanting device; vegetable transplanter (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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