PCBN刀具切削性能和磨损机理研究综述  

Review on cutting performance and wear mechanism of PCBN tools

作　　者：崔金蒙 孟德忠 吴哲 岳文[1,3,4] 王成彪 CUI Jinmeng;MENG Dezhong;WU Zhe;YUE Wen;WANG Chengbiao(School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China;School of Science, China University of Geosciences (Beijing), Beijing 100083, China;Zhengzhou Research Institute, China University of Geosciences (Beijing), Zhengzhou 451283, China;Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Zhengzhou 450006, China)

机构地区：[1]中国地质大学(北京)工程技术学院,北京100083 [2]中国地质大学(北京)数理学院,北京100083 [3]中国地质大学(北京)郑州研究院,郑州451283 [4]中国地质科学院郑州矿产综合利用研究所,郑州450006

出　　处：《金刚石与磨料磨具工程》2020年第6期83-91,共9页Diamond & Abrasives Engineering

基　　金：国家自然科学基金项目(51875537,41572359);中央高校基本业务费项目(2652019109)。

摘　　要：聚晶立方氮化硼(PCBN)刀具是继聚晶金刚石刀具之后的又一种超硬刀具,以其独特的“以车代磨”、“硬态加工”、“干式切削”等方式被誉为21世纪的绿色环保刀具。PCBN刀具在金属切削方面具有广泛的应用,主要用来加工各种淬硬钢、耐磨铸铁等铁基材料。本文介绍了PCBN刀具成分、几何形状、切削参数等对其切削性能的影响,在此基础上分析了不同材料加工时刀具的主要磨损机理,还简单对比了硬质合金和PCBN刀具切削性能上的差异。Polycrystalline cubic boron nitride(PCBN)tool is another kind of superhard tool after polycrystalline diamond tool.It is known as the green environmental protection tool in the 21st century for its unique advanced cutting methods such as turning instead of grinding,hard machining and dry cutting.PCBN tools are is widely used in metal cutting,which is mainly used for processing various kinds of hardened steel,wear-resistant cast iron and other iron-based materials.This paper introduces the influences of tool composition,tool geometry and cutting parameters on the cutting performance of PCBN tools.On this basis,the main wear mechanism of cutting tools in machining different materials are analyzed,and the cutting performance differences between cemented carbide and PCBN tools are also briefly compared.

关 键 词：PCBN刀具 磨损机理 切削性能 以车代磨 刀具寿命 

分 类 号：TG71[金属学及工艺—刀具与模具] TG58