CNC machine tools are a complex and variable system with a large number of energy-consuming components and the energy consumption type covers the field of electromechanical liquid. Therefore, it is of great significance to study the energy consumption of CNC machine tools in order to find energy conservation and emission reduction, improve resource utilization, reduce environmental pollution, and promote green manufacturing.This paper analyzes the energy consumption form and characteristics of a typical machine tool, combines the machining status of the machine tool, and studies the various energy-consuming components of the machine tool, establishes the power balance equations of each state, and the specific energy consumption and energy efficiency model of the machine tool. The model combines the energy consumption characteristics and machining status of the machine tool, and lays a theoretical foundation for the research of the energy of the CNC machine tool.
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