基于SVR模型的镗削钛合金切削力预测模型与影响分析  

Predictive Modeling and Impact Analysis of Cutting Force in Boring Titanium Alloy Based on SVR Modeling

作　　者：段晓明 于国栋 焦彦超[1] 安春英[1] 侯程 汪太明 Duan Xiaoming;Yu Guodong;Jiao Yanchao;An Chunying;Hou Cheng;Wang Taiming(Shenyang Aircraft Industry(Group)Company Limited,Shenyang Liaoning 110034,China)

机构地区：[1]沈阳飞机工业(集团)有限公司,辽宁沈阳110034

出　　处：《现代工业经济和信息化》2024年第11期150-152,157,共4页Modern Industrial Economy and Informationization

摘　　要：钛合金在航空制造中的重要材料,具有质量小、强度高、耐腐蚀的特点,但也导致其难以加工。针对钛合金镗削加工时的切削力,试验分析了镗削速度、进给量和切削深度三种工艺参数对其影响规律。首先开展8组不同参数组合的钛合金镗削加工试验,实际测量了加工时的切削力,然后采用支持向量回归(SVR)模型确定切削力的预测模型,最后分析了各工艺参数对切削力的影响规律。试验结果表明:切削力受切削深度影响最大,镗削速度、进给量的影响最小。Titanium alloy is an important material in aerospace manufacturing,which is characterized by light weight,high strength and corrosion resistance,but it is also difficult to be machined.For the cutting force of titanium alloy boring,the test analyzes the influence of three process parameters,namely,boring speed,feed and depth of cut,on the cutting force.Firstly,eight groups of titanium alloy boring tests with different parameter combinations were carried out to actually measure the cutting force during machining,and then the Support Vector Regression(SVR)model was used to determine the prediction model of the cutting force,and finally the influence law of each process parameter on the cutting force was analyzed.The test results show that the cutting force is most affected by the depth of cut,followed by the boring speed,and the feed has the least influence.

关 键 词：钛合金 切削力 镗削 SVR 工艺参数 

分 类 号：TG506[金属学及工艺—金属切削加工及机床]