Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 12, issue 1
Articles | Volume 12, issue 1
https://doi.org/10.5194/ms-12-539-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-12-539-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 1
Research article
 | 
20 May 2021
Research article |  | 20 May 2021

Vibroacoustic characteristics analysis of a planetary gear reducer considering the exterior housing structure

Lihong Jin, Junpeng Shao, Xigui Wang, Yongmei Wang, and Baixue Fu

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Latest update: 29 Jul 2025
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Short summary
This study performs an analytical study of the modal and natural frequencies and the vibration types of each order of the gearbox housing structure of a planetary gear reducer (PGR). An optimal housing structure for a PGR with lower acoustic vibrations is designed, and a composite housing structure with damping vibration attenuation and acoustic absorption is proposed. The radiation acoustic characteristics without acoustic protection and damping materials are analyzed.
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