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Research on the Support Performance of Internal Feedback Hydrostatic Thrust and Journal Bearing Considering Load Effect

Author

Listed:
  • Honglie Ma

    (Institute of Advanced Manufacturing and Intelligent Technology, Beijing University of Technology, Beijing 100124, China
    Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing 100124, China)

  • Zhifeng Liu

    (Key Laboratory of CNC Equipment Reliability, Ministry of Education, School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130012, China)

  • Congbin Yang

    (Institute of Advanced Manufacturing and Intelligent Technology, Beijing University of Technology, Beijing 100124, China
    Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing 100124, China)

  • Qiang Cheng

    (Institute of Advanced Manufacturing and Intelligent Technology, Beijing University of Technology, Beijing 100124, China
    Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing 100124, China)

  • Yongsheng Zhao

    (Institute of Advanced Manufacturing and Intelligent Technology, Beijing University of Technology, Beijing 100124, China
    Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing 100124, China)

Abstract

This study aims to analyze the impact of uniform and eccentric load conditions on the performance of internal feedback hydrostatic thrust and journal bearing. Two distinct models are established: a three-degrees-of-freedom uniform load model and a five-degrees-of-freedom eccentric load model. The support stiffness, overturning stiffness, and flow rate for both thrust and journal bearings are calculated. Additionally, numerical analysis is conducted to examine the influence of oil film thickness, inlet pressure, and restrictor size on the operational characteristics of the bearings, revealing the interplay between an eccentric load and journal bearing speed. The validity of the theoretical algorithm is verified through finite element simulation. The research outcomes hold significant guiding implications for the design and application of internal feedback hydrostatic bearings.

Suggested Citation

  • Honglie Ma & Zhifeng Liu & Congbin Yang & Qiang Cheng & Yongsheng Zhao, 2024. "Research on the Support Performance of Internal Feedback Hydrostatic Thrust and Journal Bearing Considering Load Effect," Mathematics, MDPI, vol. 12(9), pages 1-24, April.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:9:p:1367-:d:1386624
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