Vibration reduction optimization research of product packaging system under random vibration

被引：0
|
作者：
Lin, Cong [1 ,2 ,3 ]
Zhang, Yuan-Biao [1 ,2 ,3 ]
Chen, Jun-Fei [1 ,2 ,3 ]
Lu, Yi-Yu [1 ,2 ,3 ]
机构：
[1] Packaging Engineering Institute, Jinan University, Zhuhai,519070, China
[2] Key Laboratory of Product Packaging and Logistics, Guangdong Higher Education Institutes, Jinan University, Zhuhai,519070, China
[3] Zhuhai Key Laboratory of Product Packaging and Logistics, Jinan University, Zhuhai,519070, China
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2024年 / 37卷 / 08期
关键词：
The advanced transfer path(ATPA)method is used to study the vibration transfer characteristics of the computer mainframe package from each cushion pad to key components under different vibration levels of random vibration through experiments; the analysis of the vibration contribution of the cushion pad and optimal design of vibration reduction are carried out. The results show that the measured vibration response of the two key components of the computer mainframe is consistent with the synthetic response of the ATPA method; which verifies the correctness of the ATPA theory for the analysis of the vibration transfer characteristics of the product packaging system; when the area of each cushion pad is the same; the two cushion pads on the same side of the key components of the computer mainframe play a decisive role in its acceleration response; thus being the key cushion pads; the cushion area of the key cushion pad affects the acceleration response PSD peak value and frequency range of the key components. With the increase of the cushion area; the acceleration response PSD peak value of key components gradually decreases; when the cushioning area of the key cushion pad is more than doubled; the reduction effect of the acceleration response PSD peak value tends to be saturated; the resonance peak becomes smooth; and the vibration response energy is dispersed over a wider frequency range. The vibration reduction optimized design keeps the non-key cushion pad unchanged and only increases the cushion area of the key cushion pad. The research results provide a reference for the vibration reduction design of the product. © 2024 Nanjing University of Aeronautics an Astronautics. All rights reserved;
D O I：
10.16385/j.cnki.issn.1004-4523.2024.08.009
中图分类号：
学科分类号：
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页码：1349 / 1358
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