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Investigation on the stability and anti-eccentric load margin of a novel structure bearing lubricated by low viscosity medium

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Abstract

The paper studies the anti-eccentric load margin of a novel structure bearing lubricated by low viscosity medium. The lubrication dynamic model considering journal inclination angle is established. The effects of different speeds, loads, and tilted angles on the interface attributes of the bearing under typical working conditions are studied. The results show that the special structure bearing has self-stability margin of anti-tilted and anti-eccentric load. Especially under different speed conditions, analyses show that the eccentric load has little influence on the static/dynamic characteristics of the bearing. Under the same conditions, the stability margin of the bearing is higher than that of traditional bearings. The research provides a theoretical basis for the application of such kinds of special structure bearings.

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Author information

Authors and Affiliations

  1. Department of Engineering Mechanics, Northwestern Polytechnical University, Xi’an, 710072, China

    ZhongLiang Xie

  2. Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, 518057, China

    ZhongLiang Xie

  3. School of Mechanical-Electric Engineering, Xidian University, Xi’an, 710071, China

    Jian Jiao & Kang Yang

  4. Wuhan Second Ship Design and Research Institute, Wuhan, 430205, China

    Tao He

Authors
  1. ZhongLiang Xie
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  2. Jian Jiao
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  3. Kang Yang
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  4. Tao He
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Corresponding author

Correspondence to ZhongLiang Xie.

Additional information

This work was supported by the National Natural Science Foundation of China (Grant No. 52105205), Natural Science Basic Research Program of Shaanxi (Grant No. 2022JM-003), Guangdong Basic and Applied Basic Research Foundation (Grant No. 2022A1515010864), the 2021 Joint Projects between Chinese and CEECs’ Universities (Grant No. 2021101), and the Fundamental Research Funds for the Central Universities (Grant No. D5000220095).

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Xie, Z., Jiao, J., Yang, K. et al. Investigation on the stability and anti-eccentric load margin of a novel structure bearing lubricated by low viscosity medium. Sci. China Technol. Sci. 65, 1613–1633 (2022). https://doi.org/10.1007/s11431-022-2051-3

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  • DOI: https://doi.org/10.1007/s11431-022-2051-3

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