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<p>With the increasing demand for precision machining, the thermal characteristics of hydrostatic bearing spindle systems have become a research hotspot. The paper carries out a detailed summary of the thermal characteristics of the hydrostatic bearing spindle, focusing on the latest progress in thermal mechanism, thermal model, thermal error, and thermal optimization method. The influencing factors of temperature rise of hydrostatic bearing, the thermal model for accurately predicting the temperature characteristics, and the methods for reducing the temperature rise and thermal error are acquired. The paper systematically reviews the theories and methods of hydrostatic bearing spindle systems and points out the existing problems and potential solutions to reduce thermal errors. The research results can provide predictive guidance and references for the design of hydrostatic bearing spindle systems. The investigation results indicate that the fluid-thermal-solid interaction method has been well adopted in the study of thermal characteristics. Notably, the viscosity-temperature–pressure effect of the lubricating oil in hydrostatic bearings should be considered.</p>

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Advances in the investigation of thermal characteristics of hydrostatic bearing spindle: an overview

  • 期刊论文

  • 发表日期：

    2025年1月15日

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  • Xiaodong Yu,
  • Mingjuan Shao,
  • Xinyi Yang,
  • Yanlong Lin,
  • Zhiyuan Lan,
  • Lu Li,
  • Enzhao Li,
  • Ruichun Dai,
  • Wentao Jia,
  • Junfeng Wang,
  • Jianhua Jiao,
  • Hui Jiang

摘要

With the increasing demand for precision machining, the thermal characteristics of hydrostatic bearing spindle systems have become a research hotspot. The paper carries out a detailed summary of the thermal characteristics of the hydrostatic bearing spindle, focusing on the latest progress in thermal mechanism, thermal model, thermal error, and thermal optimization method. The influencing factors of temperature rise of hydrostatic bearing, the thermal model for accurately predicting the temperature characteristics, and the methods for reducing the temperature rise and thermal error are acquired. The paper systematically reviews the theories and methods of hydrostatic bearing spindle systems and points out the existing problems and potential solutions to reduce thermal errors. The research results can provide predictive guidance and references for the design of hydrostatic bearing spindle systems. The investigation results indicate that the fluid-thermal-solid interaction method has been well adopted in the study of thermal characteristics. Notably, the viscosity-temperature–pressure effect of the lubricating oil in hydrostatic bearings should be considered.