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1 1999

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Hydrostatic - hydrodynamic hybrid conical supports

Ahuja B. B., Chikate P. P., Basu S. K.

Applied Mechanics and Engineering

1999

Vol. 4, no spec.

11-17

The paper deals with the development of hydrostatic hydrodynamic hybrid conical bearings, running at 10,000 r.p.m., suitable for supports of high-speed spindles. Conical bearing bush is designed for two-plane admission, with 8 holes in each plane, with a semi cone angle of 10o. In case of static response, the interactions between the major parameters, e.g. radial load, supply pressure and bearing design parameter are projected on 3D response surface curve. The results give the magnitude of radial load to get the benefit of optimally minimum eccentricity ratio. Experimental results show close agreement with the theoretical work in regard to 'no-rotation' cases. The authors generalised the exponential relationship existing between eccentricity ratio, radial load and supply pressure.