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Deformation characteristics of adaptive hydrostatic thrust bearing under extreme working conditions

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Abstract

Investigation of the deformation characteristics of adaptive hydrostatic thrust bearings has been performed under extreme conditions, considering the relationship between viscosity and temperature of lubricating oil. A 3D model is generated, including the oil pad, the oil film and friction pairs. The oil film temperature field and the oil cavity pressure field have been calculated based on CFD. According to the lubrication theory and tribology principle, the force deformation, the thermal deformation, the force and thermal coupling deformation have been studied by using workbench simulation software, and the best working condition of adaptive hydrostatic thrust bearing is obtained. The results show that the load causes the table and the base to undergo inward elastic deformation, and the temperature causes them to undergo outward thermal deformation. The two deformations have opposite directions, and the deformations compensate each other. When the load is between 28 and 32t, the possibility of dry friction generated by the friction pair is low. The research results provide a theoretical basis for the stability of adaptive hydrostatic thrust bearings under extreme working conditions.

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Acknowledgment

This research was financially supported by the National Natural Science Foundation of China (51375123) and the Natural Science Foundation of Heilongjiang Province (E2016040).

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Authors and Affiliations

  1. Key Laboratory of Advanced Manufacturing and Intelligent Technology, Ministry of Education, Harbin University of Science and Technology, Harbin, 150080, China

    Xiaodong Yu, Fakun Wang, Defan Zhou, Dianbin Huang & Shiwei Zhan

  2. School of Materials Science and Engineering, China University of Petroleum, Qingdao, 266580, China

    Mubing Yu

  3. Qiqihar Heavy CNC Equipment Corp. LTD., Qiqihar, 161005, China

    Jianhua Jiao & Junfeng Wang

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  1. Xiaodong Yu
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  2. Fakun Wang
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  3. Defan Zhou
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  4. Dianbin Huang
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  5. Shiwei Zhan
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  6. Mubing Yu
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  7. Jianhua Jiao
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  8. Junfeng Wang
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Correspondence to Xiaodong Yu.

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Technical Editor: Daniel Onofre de Almeida Cruz, D.Sc..

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Yu, X., Wang, F., Zhou, D. et al. Deformation characteristics of adaptive hydrostatic thrust bearing under extreme working conditions. J Braz. Soc. Mech. Sci. Eng. 42, 489 (2020). https://doi.org/10.1007/s40430-020-02571-4

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  • DOI: https://doi.org/10.1007/s40430-020-02571-4

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