面向高质量高效率低能耗的车削参数优化

Optimization of Turning Parameters for High Quality High Efficiency and Low Energy Consumption

为了实现数控机床的绿色高效制造,以低切削功率、低粗糙度和高材料去除率为目标,对45钢进行了干式单工步正交切削试验。采集不同切削参数下机床的切削功率和工件表面粗糙度值,应用模糊综合评价法对车削参数进行模糊正交优化,得出最优的切削参数。建立切削功率预测模型和表面粗糙度预测模型,并对优选的参数进行了试切试验,将试验结果和经验值与预测值进行了对比,结果表明:使用优化的车削参数进行加工,可以有效地提高效率、降低能耗和表面粗糙度。

In order to realize the green and high efficiency manufacturing of Numerical Control(NC)Machine tool,the orthogonal cutting test of No.45 steel is carried out with the aim of low cutting power,low roughness and high material removal rate.The cutting power and workpiece surface roughness value of machine tool under different cutting parameters were collected.The fuzzy comprehensive evaluation method was applied to the fuzzy orthogonal optimization of turning parameters,and the optimal cutting parameters were obtained.Cutting power prediction model and the surface roughness prediction model were established,and the test was carried on for optimizing the parameters of the cutting experiment,and compared the results with experience value and predicted value.The results show that the optimized turning parameters can effectively improve efficiency,reduce energy consumption and surface roughness.