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Investigations in Hydrostatic Planar Bearings Compensated by Tapered-Spool Restrictors I: Flow Rate

  • Y. Kang (a1), H.-C. Cheng (a1), C.-W. Lee (a2) and S.-Y. Hu (a1)

Abstract

This paper is former part of serial studies to investigate the influence of design parameters of tapered-spool type restrictors on static characteristics of hydrostatic bearing. The flow rates passing restrictors can determine the static characteristics of hydrostatic bearings. In this part an analytical method which includes formulas and solving is utilized to simulate dimensionless flow rate in both single-action and double-action tapered-spool restrictors. The numerical results illustrate the variations of flow rates with respect to the change of pressure and pressure difference, respectively. The findings give that the design parameters of tapered-spool restrictors and the useful range of recess pressure. The following part will depend on this paper results to study load capacity and static stiffness of hydrostatic bearing compensated by tapered-spool restrictor.

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*Corresponding author (yk@cycu.edu.tw)

References

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1.Rippel, H. C., Cast Bronze Hydrostatic Bearing Design Manual, Cast Bronze Bearing Institute, Inc., Cleveland, Ohio (1964).
2.Rowe, W. B., Hydrostatic and Hybrid Bearing Design, Butterworths, London (1983).
3.Rowe, W. B., Hydrostatic, Aerostatic and Hybrid Bearing Design, Butterworth-Heinemann of Elsevier, Amsterdam (2012).
4.Bassani, R. and Piccigallo, B., Hydrostatic Lubrication, Elsevier, Science Publishers B.V., Amsterdam, Netherlands (1992).
5.Bassani, R., “Hydrostatic Systems Supplied Through Flow Dividers,” Tribology International, 34, pp. 2538 (2001).
6.Kang, Y., Chen, C. H., Lee, H. H., Hung, Y. H., and Hsiao, S. T., “Design for Static Stiffness of Hydrostatic Bearings: Single-Action Variable Compensations,” Industrial Lubrication and Tribology, 63, pp. 103118 (2011).
7.Kang, Y., Yang, D. W., Hu, S. Y., Hung, Y. H., Peng, D. X., and Chen, S. K., “Design for Stiffness of Hydrostatic Bearings: Double-Action Variable Compensation of Spool-Type Restrictors,” Industrial Lubrication and Tribology, 66, pp. 8399 (2014).

Keywords

Investigations in Hydrostatic Planar Bearings Compensated by Tapered-Spool Restrictors I: Flow Rate

  • Y. Kang (a1), H.-C. Cheng (a1), C.-W. Lee (a2) and S.-Y. Hu (a1)

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