Prediction method of machine tool machining energy efficiency

The invention discloses a prediction method of machine tool machining energy efficiency. The method comprises the following steps that (a), an energy efficiency model of the machine tool machining process is established, wherein the energy efficiency model is shown in the following formula (1); (b), the no-load power of each stage is obtained by data acquisition, and the machining power is fittedby experimental data; (c), an NC code is read, and the NC code is adopted to obtain machining parameters and time parameters; and (d), the obtained information of the machining parameters and time parameters is introduced into an energy efficiency prediction model of a machine tool, and the energy consumption and energy efficiency data of each stage of the machine tool are correspondingly obtained. Through the prediction method, evaluation and prediction of machine tool energy efficiency can be quickly and accurately achieved, and reliable basis is provided for energy saving optimization of machine tool machining.(Ple