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Journal ArticleDOI

Non-parallel operation of conical hydrostatic thrust bearings

01 Apr 1983-Wear (Elsevier)-Vol. 86, Iss: 1, pp 29-41
TL;DR: In this article, a theoretical study of the behavior of capillary compensated annular recess conical hydrostatic thrust bearings under conditions of tilt and rotation was made, and the influences of aspect ratios, cone angles and resistance ratios on the static characteristics and stiffness and damping coefficients were reported.
About: This article is published in Wear.The article was published on 1983-04-01. It has received 11 citations till now. The article focuses on the topics: Thrust bearing & Conical surface.
Citations
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Journal ArticleDOI
TL;DR: In this paper, the load-carrying capacity, power losses and stiffness of disk-type hydrostatic thrust bearings including the case of eccentric loading are discussed theoretically based on a two-dimensional elastohydrostatic problem with an elastic deformation model, which is extended to adapt it for a non-axisymmetric load acting on the thrust bearing.

35 citations

Journal ArticleDOI
TL;DR: In this article, the influence of the tilt and recess shape on the static and dynamic performance characteristics of the hydrostatic thrust pad bearing system having Rabinowitsch fluid model lubricant was numerically analyzed.

35 citations

Journal ArticleDOI
Shigeka Yoshimoto1, Y. Anno1, M. Tamura1, Y. Kakiuchi1, K. Kimura 
TL;DR: In this paper, the static characteristics of water-lubricated hydrostatic conical bearings with spiral grooves were described and compared with experimental results. But the results were limited to high speed spindles.
Abstract: This paper describes the static characteristics of water-lubricated hydrostatic conical bearings with spiral grooves. Hydrostatic conical bearings treated here have been designed for high speed spindles and are intended to apply to spindles for drilling small holes of printed circuit-boards. Pressurized water is first fed to the inside of the rotating shaft and supplied to spiral grooves on the shaft surface through feeding holes. Therefore, water pressure is greatly increased at outlets of feeding holes due to the centrifugal force by shaft rotation. Furthermore, water pressure is also increased by the viscous pump effect of spiral grooves. Water pressures in the bearings under concentric condition are numerically obtained by using the finite element method and calculated results are compared with experimental ones. It is consequently found that this water-lubricated hydrostatic conical bearings with spiral grooves are very suitable for precision high speed spindles.

27 citations

Journal ArticleDOI
22 Aug 1984-Wear
TL;DR: In this paper, a finite element method was developed using linear triangular elements to solve the two-dimensional Reynolds equation in the polar coordinate system including the rotational lubricant inertia term, and the validity of the method was verified by comparison with the finite difference solution for parallel and non-parallel operation of the hydrostatic thrust bearing.

12 citations

Journal ArticleDOI
15 Dec 1983-Wear
TL;DR: In this article, a theoretical study of the behavior of capillary-compensated four-recess plane hydrostatic thrust bearings under conditions of tilt and rotation was made, and the influence of radius ratios on the load and flow characteristics was reported.

9 citations

References
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Journal ArticleDOI
02 Jun 1980-Wear
TL;DR: In this paper, an analysis of the pressure distribution, the load capacity and the lubricant flow rate for a laminar flow hydrostatic thrust bearing in a symmetrical operation is presented.

10 citations