基于切削力分析的可转位浅孔钻刀片槽型优化  

Optimization of Insert Groove for Indexable Insert Drill Based on Cutting Force Analysis

作　　者：江爱胜 刘战强[1] 余仁超 李季飞 向良雄 Jiang Aisheng;Liu Zhanqiang;Yu Renchao;Li Jifei;Xiang Liangxiong(School of Mechanical Engineering,Shandong University,Jinan Shandong 250000,China;Zhuzhou Cemented Carbide Cutting Tools Co.,Ltd.,Zhuzhou Hunan 412000,China;State Key Laboratory of Cemented Carbide,Zhuzhou Hunan 412000,China)

机构地区：[1]山东大学机械工程学院,山东济南250000 [2]株洲钻石切削刀具股份有限公司,湖南株洲412000 [3]硬质合金国家重点实验室,湖南株洲412000

出　　处：《硬质合金》2024年第5期378-384,共7页Cemented Carbides

基　　金：中钨高新股份有限公司科技专项(20230304)。

摘　　要：可转位浅孔钻的切削力影响刀具的径向力平衡和切屑形状,进而影响工件尺寸精度和表面质量。研究刀片切削力对可转位浅孔钻的稳定性应用尤为重要。本文基于切削力分析对可转位浅孔钻刀片槽型进行优化,首先,选定刀片槽型参数设计正交试验方案,通过仿真试验结果确定影响刀片切削力的关键参数;其次,基于槽型参数影响力大小进行排序,得到最优槽型参数组合;最后,通过钻削试验进行验证。通过优化刀片槽型参数,可转位浅孔钻刀片的径向切削力降低了18.1%,有限元仿真与钻削实验结果仅相差6.61%,研究结果表明基于有限元仿真的正交试验方法适用于刀片槽型结构的优化,可有效降低切削力。The cutting force of the indexable insert drill affects the radial force balance and chip shape of the tool,lowering the dimensional accuracy and surface quality of the workpiece.It is particularly important to study the insert cutting force for stable applications of the indexable insert drill.In this paper,the insert groove of the indexable insert drill was optimized based on cutting force analysis.Firstly,the insert groove parameters were selected,and the orthogonal test scheme was designed.The key parameters affecting the insert cutting force were determined through simulation results.Secondly,the parameters were ranked based on their influence,and the optimal groove parameter combination was obtained.Finally,it was verified by a drilling test.The radial cutting force of the insert of the indexable insert drill was reduced by 18.1%by optimizing the insert groove parameters.The difference between finite element simulation and drilling experiment was only 6.61%.The results show that the orthogonal test method based on finite element simulation is suitable for the insert groove optimization of the insert groove and can effectively reduce the cutting force.

关 键 词：可转位浅孔钻 切削力 正交试验 槽型优化 

分 类 号：TG5[金属学及工艺—金属切削加工及机床]