Hydrostatic bearing with high bulk modulus fluid

Kensuke Kuze, Hiroshi Sawano, Hayato Yoshioka, Hidenori Shinno

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)


Hydrostatic bearing systems are used in machine tools due to the high damping capacity, the high stiffness, and the smooth motion. Demands for higher stiff bearing system have recently increased in various industrial sectors. In order to achieve higher stiffness of the bearing system, working fluid with lower compressibility should be used. High bulk modulus fluid with very low compressibility has been recently developed. This paper presents a hydrostatic bearing system using high bulk modulus fluid. The basic characteristics of the bearing are evaluated with an experimental setup for evaluating the bearing system and then compared the degassed oil with the conventional oil. Furthermore, static and dynamic characteristics of the bearing system were evaluated and compared with that of a conventional hydrostatic bearing. Experimental results confirmed that the high bulk modulus fluid enhances the performance of the hydrostatic bearing.

Original languageEnglish
Title of host publicationEmerging Technology in Precision Engineering XIV
Number of pages6
Publication statusPublished - 11 Dec 2012
Event14th International Conference on Precision Engineering, ICPE 2012 - Hyogo, Japan
Duration: 8 Nov 201210 Nov 2012

Publication series

NameKey Engineering Materials
ISSN (Print)1013-9826


Conference14th International Conference on Precision Engineering, ICPE 2012


  • Compressibility
  • Degassed Oil
  • High Bulk Modulus Fluid
  • Hydrostatic Bearing
  • Stiffness

Cite this

Kuze, K., Sawano, H., Yoshioka, H., & Shinno, H. (2012). Hydrostatic bearing with high bulk modulus fluid. In Emerging Technology in Precision Engineering XIV (pp. 532-537). (Key Engineering Materials; Vol. 523-524). https://doi.org/10.4028/www.scientific.net/KEM.523-524.532