automated control system, hydrostatic bearing unit, spindle bearing, vibrostability, dynamic behavior, correcting RC-circuit " />

MODELING AND IMPROVING THE DYNAMIC CHARACTERISTICS OF SPINDLE UNITS BASED ON HYDROSTATIC BEARINGS

M. . Bundur, V. A. Prokopenko, I. A. Chernov


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Abstract

 

The subject of investigation is dynamic performance of radial hydrostatic bearings (HSB) of main spindle of modern high-production metal-cutting equipment. The possibilities for vibrostability improvement are considered by the radial skew of spindle axis in HSB. The developed method description of the optimal parameters of correcting RC-circuits definition is given. The transients and response functions are computed and analyzed for different operating modes of HSB.

Keywords:   automated control system, hydrostatic bearing unit, spindle bearing, vibrostability, dynamic behavior, correcting RC-circuit
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