| DONG Huaiyu（董怀玉）,HE Lidong,JIA Xingyun.[J].高技术通讯(英文),2022,28(4):418~424 |
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| Effect of integral squeeze film damper on vibration and noise of spur gear with center-distance error |
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| DOI：10.3772/j.issn.1006-6748.2022.04.010 |
| 中文关键词: |
| 英文关键词: dynamic backlash, integral squeeze film damper (ISFD), spur gear transmission system, vibration and noise control |
| 基金项目: |
| Author Name | Affiliation | | DONG Huaiyu（董怀玉） | (Engineering Research Center of Chemical Technology Safety Ministry of Education, Beijing 100029, P.R.China) | | HE Lidong | (Engineering Research Center of Chemical Technology Safety Ministry of Education, Beijing 100029, P.R.China) | | JIA Xingyun | (Engineering Research Center of Chemical Technology Safety Ministry of Education, Beijing 100029, P.R.China) |
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| 中文摘要: |
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| 英文摘要: |
| When the actual installation center distance between a pair of spur gears is greater than the theoretical center distance, backlash increases, leading to increased vibration and noise. The structural parameters of an integral squeeze film damper (ISFD) were designed with the stiffness of rigid support as reference to investigate the effect of an ISFD on the dynamic characteristics of a spur gear transmission system with center-distance installation error. A spur gear test bench with center distance-error was built to investigate the vibration and noise reduction characteristics of ISFD. The experimental results indicate that, compared with a rigid support, the ISFD can reduce vibration by approximately 40% and noise by approximately 5dB. ISFD can effectively absorb the impact energy caused by an increase of in backlash, which is conducive to the stable operation of the spur gear transmission system. |
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