Design and Analysis of Air Bearings with Applications in the Design of High-Precision Machines

A special issue of Machines (ISSN 2075-1702). This special issue belongs to the section "Advanced Manufacturing".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 1673

Special Issue Editors


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Guest Editor
School of Mechatronics Engineering, Harbin Institute of Technology, Harbin, China
Interests: design of ultra-precision machine tools; aerostatic bearings design; aerostatic motorized spindles; ultraprecision milling

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Guest Editor
College of Mechanical and Vehicle Engineering, Hunan University, Changsha, China
Interests: air-bearings design and manufacturing; ultra-precision turning; precision inspection and assessment

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Guest Editor

Special Issue Information

Dear Colleagues,

Air bearings have been widely adopted as support components for high-precision machines in ultraprecision machining, metrology, semiconductor devices, medical treatment, power generation, and other areas. Recent developments in air bearings have seen phenomenal advances in new high-precision machine structures. This Special Issue is dedicated to further exploring the design, optimization, application, and use of air bearings for high-precision machines with extreme working performances.

Original research articles and reviews are requested for this Special Issue of Machines that provides an overview of the current state of the art or a roadmap for the future for air bearing technologies and applications. Case studies of industrial practices are also solicited so that the readers of this Special Issue can understand the applied nature of specific precision engineering applications.

Dr. Siyu Gao
Dr. Chenhui An
Prof. Dr. Kai Cheng
Prof. Dr. Mark J. Jackson
Guest Editors

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Keywords

  • air bearings
  • ultraprecision machines
  • high-precision machines
  • stiffness
  • dynamic characteristics
  • high-speed stability
  • micro-vibrations
  • surface waviness
  • manufacturing tolerances
  • surface roughness
  • pneumatic hammer
  • vortex vibration
  • angular displacement
  • compound restrictors
  • inertia effects
  • smart spindles and in-process sensing
  • multiphysics-based modelling and analysis

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Published Papers (1 paper)

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Research

16 pages, 3228 KiB  
Article
Performance Investigation of the Micro-Hole High-Speed Aerostatic Thrust Bearing Based on the Finite Element Method
by Siyu Gao, Tianle Jiang, Zhuang Li, Hongbin Yang, Min Zhu, Youyun Shang, Laiyun Song, Lihua Lu, Qiang Gao and Hanqian Zhang
Machines 2025, 13(6), 477; https://doi.org/10.3390/machines13060477 - 1 Jun 2025
Viewed by 197
Abstract
Micro-hole aerostatic bearings have emerged as critical components in ultra-precision machining systems, offering a superior load capacity, stiffness, and stability compared to traditional orifice-based designs. These enhancements are primarily attributed to the high-density configurations of micro-holes and the reduction in hole diameter. However, [...] Read more.
Micro-hole aerostatic bearings have emerged as critical components in ultra-precision machining systems, offering a superior load capacity, stiffness, and stability compared to traditional orifice-based designs. These enhancements are primarily attributed to the high-density configurations of micro-holes and the reduction in hole diameter. However, research on the design and analysis of micro-hole aerostatic bearings for high-rotational-speed applications remains limited. In this study, the finite element method (FEM) was employed to solve the Reynolds equation, thereby conducting a systematic evaluation of the static and high-speed performance characteristics of micro-hole aerostatic thrust bearings. The effects of restrictor types, micro-hole layouts, structural parameters, and centrifugal deformation under high-rotational-speed conditions on bearing performance have been comprehensively examined. The objective of this study is to provide a basis for the design of micro-hole high-speed aerostatic spindles. Full article
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