Applied method for design optimization of hydrostatic guideway on real machine tool

Abstract eng:
The main advantages of hydrostatic bearings are: design flexibility, excellent structural damping, and zero friction at low speeds; this is a great opportunity for various types of machine tools. However, the need to determine many parameters at the design stage and a lack of a general approach to their optimization pose a large obstacle to wider application. This paper suggests a general iterative method for design optimization of hydrostatic bearings for linear and low-speed rotary axes. The method uses automated generation of load combinations, multi-objective optimization for determining design parameters and FEM for predicting structural deflection of machine frame parts.

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