Abstract
Due to increasing energy costs, related environmental impacts, and carbon emissions, sustainable development has become an important task for industry. As one of the important links in mechanical transmission, the shape of a gear transmission occupies a large part of the energy consumption. Moreover, the noise and vibration of a gear drive have great potential to damage operators and mechanical equipment. From the perspective of passive vibration reduction technology, an effective method to reduce vibration and energy consumption is parameter optimization of a weight-reduction hole located in a gear blank. For this reason, a finite element model of a lightened gear was established, and modal harmonic response analysis was carried out. Then, we conducted an excitation experiment on a gear to verify the accuracy of the finite element model and find the damping. Finally, considering the size constraints, the maximum structural damping was taken as a goal for parameter optimization. The results show that the damping characteristics of the lightened gear can be improved through the joint efforts of modeling, analysis, and parameter optimization.
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The research was supported by the Inha University Research Grant.
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Jingrui Yang is a master-doctor combined program student in the Department of Mechanical Engineering, Inha University. He received his Bachelor of Science degree in 2019 from Mechanical Engineering, Ludong University. His research interests include vibration damping and Optimization.
Yihe Zhang is a doctor program student in the Department of Mechanical Engineering, Inha University. He received his Bachelor of Engineering degree in 2009 from Jinan University. He received his Master of vehicle Engineering degree in 2011 from Beijin Jiaotong University. His research interests include compliance mechanism, energy harvesting and optimization.
Chul-Hee Lee is a Professor in the School of Mechanical Engineering, Inha University. He received his Doctor of philosophy degree in 2006 from Mechanical & Industrial Engineering, University of Illinois at Urbana-Champaign. He was a chassis research engineer at Hyundai Motor Co. from 1996 to 2002 and a senior research & development engineer at Caterpillar Inc. (USA) from 2006 to 2007. His research interests are in the areas of Virtual Product Development by Design Optimization and FE Analysis.
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Yang, J., Zhang, Y. & Lee, CH. Multi-parameter optimization-based design of lightweight vibration-reduction gear bodies. J Mech Sci Technol 36, 1879–1887 (2022). https://doi.org/10.1007/s12206-022-0325-1
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DOI: https://doi.org/10.1007/s12206-022-0325-1