基于响应曲面法的碳纤维增强复合材料螺旋铣孔轴向切削力预测

Axial Cutting Force Prediction during Helical Milling of Carbon Fiber Reinforced Polymers Based on Response Surface Methodology

摘要: 基于二阶响应曲面法建立了碳纤维增强复合材料螺旋铣孔过程中轴向切削力的预测模型,运用方差分析、相关系数等手段验证了模型的准确性以及各输入参数的显著性,并研究了切削参数对轴向切削力的影响规律.结果表明:预测模型回归显著,置信度高,预测精度较高;主轴转速和螺距对轴向切削力的影响较为显著;轴向力随螺距和切向每齿进给量的增大而增大,随主轴转速的增大而先增大后减小.

Abstract: A prediction model of axial cutting force during helical milling process was created based on the second order response surface methodology.By using variance analysis and correlation coefficient,the model was verified and the input parameters were proved to be valid.Also,the effects of the cutting parameters on axial cutting force were investigated .The results show that significance of the prediction model is obvious,the fitting degree and prediction accuracy of the model is high.The spindle speed and the pitch both have significant influence on the axial cutting force,the axial cutting force increases with the increase of pitch and tangential feed,while firstly increase and then decrease with the increase of spindle speed.