Dynamic behavior of an agricultural power take-off driveline for rattle noise reduction: Part 1. Effect of spline tolerance on the power take-off rattle noise |
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| Institution: | 1. Tractor Advanced Development Group, LS Mtron, Anyang 14118, South Korea;2. Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea;3. Department of Smart Industrial Machinery, Korea Institute of Machinery & Materials, Daejeon 34103, South Korea;4. Tractor Advanced Development Group, LS Mtron, 39, LS-ro 116beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do 14118, South Korea;1. Kharkiv Petro Vasylenko National Technical University of Agriculture, Kharkiv, Ukraine;2. South Ural State Agrarian University, Troitsk, Russia;3. South Ural State University (National Research University), Chelyabinsk, Russia;4. PRO FERRUM Limited Liability Company, St. Petersburg, Russia;5. Belgorod State Agricultural University, Mayskiy, Belgorod Region, Russia;6. Saint Petersburg State Forest Technical University named after S.M. Kirov, St. Petersburg, Russia;7. Novosibirsk State Agrarian University, Novosibirsk, Russia;8. Siberian Federal Scientific Center of Agro-BioTechnologes of the Russian Academy of Sciences, Krasnoobsk, Novosibirsk Region, Russia;9. Kurgan State Agricultural Academy by T S Maltsev, Village Lesnikovo, Ketovsky District, Kurgan Region, Russia;1. Mendel University in Brno, Department of Engineering and Automobile Transport, Zemědělská 1, 613 00 Brno, Czech Republic;2. ZETOR TRACTORS a.s., Trnkova 111, 628 00 Brno, Czech Republic;1. Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea;2. Department of Biosystems Engineering, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon, Gangwon 24341, Republic of Korea;3. Department of Smart industry machinery, Korea Institute of Machinery and Materials, 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea;4. Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea |
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| Abstract: | An agricultural tractor has a power take-off (PTO) driveline that is directly connected to the engine to improve its power transmission efficiency. The PTO driveline comprises various mechanical components coupled by a spline joint. The spline coupling tolerance causes collisions between various mechanical parts of the PTO driveline and affects gear collision, thereby causing rattle noise. Therefore, the aim of this study is to conduct a dynamic behavior analysis to predict the gear rattle noise level of a PTO driveline. The dynamic behavior of the PTO driveline was analyzed through 1D simulations, and the results confirmed that the dynamic behavior changes according to rotation speed. Experimental verification of the dynamic behavior analysis results confirmed that the dynamic behavior changes as the main engine excitation-component amplification changes and then decreases at a relatively high rotation speed. Additionally, the dynamic behavior changes of the PTO driveline resulted in a jumping phenomenon that occurs rapidly at a specific rotation speed. The amplification of the engine’s main components was reduced from 3 to 4 times to 1.2 times owing to the jumping phenomenon; the noise level of the gear rattle was also reduced by approximately 10.9 dB(A). |
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| Keywords: | Agricultural tractor Power take-off driveline Rattle noise Spline tolerance |
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