Abstract
This study proposes a novel tuneable-damper foundation (TDF) that isolates a machine tool and prevents transmission of dynamic excitation from machine to ground or vice versa. Electrorheological fluid (ERF) facilitates the development of TDF. TDF is a motion-controlled piston that utilises electrical potential to regulate ERF's rheological characteristics. Then, TDF was exposed to the excitation of a medium-duty lathe machine operating at idle and during turning. An experimental-database model (EDBM) uses trial data to develop a mathematical equation for forecasting vibration response and surface quality using dimensional analysis (DA) and multivariable regression (MVR). A mathematical model of DA and MVR, the mechanism of TDF, the characteristics of ERF, experimentation, and novel analytical models are all documented in the paper. The experiment-driven controlled damping confirms the efficacy of TDF, attaining 60% attenuation at 1–100 Hz. Similarly, the developed analytical model accurately forecasts vibration response and surface finish, boosting the quality parameters.
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