错齿BTA深孔钻削40CrMoA的切屑形态分析与研究  

Analysis and Research on Stagger BTA Deep Hole Drill about Drilling 40CrMoA Chip Morphology

作　　者：邵振宇[1] 黄晓斌[1] 张雪飞[2] 

机构地区：[1]中北大学山西省深孔加工工程技术研究中心,太原030051 [2]昆明理工大学,昆明650500

出　　处：《煤矿机械》2015年第6期140-141,共2页Coal Mine Machinery

基　　金：国家自然基金(51175482)

摘　　要：切屑形态是影响深孔加工排屑的关键性因素。通过对40Cr Mo A进行钻削的过程,研究错齿BTA深孔钻3个切削刃(中心刃,中间刃和边刃)产生的切屑形态,计算切屑的变形系数;分析在同一切削条件下错齿BTA深孔钻产生3种不同切屑形态的原因,为深孔钻削40Cr Mo A切削参数以及刀具的优化打下基础。Chip morphology is Through the process of edge, middle edge and drilling the key factor of influencing the deep hole processing chip removal. 40CrMoA, the chip morphology produced by three cutting edges （center side edge） of stagger BTA deep hole drilling was studied, and the deformation coefficient of chip was calculated. Under the same cutting condition, the reason about three different chip shapes generated by stagger BTA deep hole drill was analyzed, which laid the foundation for the optimization of deep hole drilling 40CrMoA cutting parameters and tool.

关 键 词：深孔加工 40CrMoA 错齿BTA钻 切屑形态 变形系数 

分 类 号：TG506.1[金属学及工艺—金属切削加工及机床]