从数控机床能耗角度出发，以切削参数为变量，以降低数控机床能耗为目标，在实际加工经验公式的基础上，考虑机床性能和刀具约束条件，建立数控机床能耗模型，采用粒子群优化算法对目标函数寻优求解，利用优化后的切削参数进行加工，能明显地降低能耗。-From the perspective of CNC machine tool consumption to cutting parameters as variables , in order to reduce the energy consumption of CNC machine tools for the goal, on the basis of practical experience in processing formula , considering the performance of the machine and tool constraints , build CNC machine tool consumption model , PSO optimization algorithm for solving optimization objective function , the use of cutting parameters optimized for processing, can significantly reduce energy consumption.