交流磁化处理对硬质合金刀具切削性能的影响  

Effect of AC Magnetization on Cutting Performance of Carbide Cutting Tools

作　　者：宗超 刘政[1] 王梅华 李泽文 ZONG Chao;LIU Zheng;WANG Mei-hua;LI Ze-wen(School of Mechanical and Electrical Engineering,Jiangxi University of Science and Technology, Ganzhou Jiangxi 341000, China)

机构地区：[1]江西理工大学机电工程学院

出　　处：《组合机床与自动化加工技术》2019年第8期32-34,62,共4页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家自然科学基金资助项目(50801032);江西省自然科学基金资助项目(2008GQC0027)

摘　　要：为研究交流磁场对硬质合金刀具切削性能的影响,对YT5刀具进行磁场强化处理,通过正常工况下铣削不同磁属性材料,从铣削力、刀具摩擦磨损和工件表面质量3个方面分析了磁场影响规律。运用Kistler-9257B动态压电式测力仪测量铣削力的变化,并在扫描电镜(SEM)上观察了刀具的磨损形貌。结果表明,磁场强化处理对硬质合金铣刀加工铁磁性材料的工件表面质量具有优化作用,磁化处理减小了刀具的磨损,增大了切削力,工件表面质量有所提高。加工顺磁性材料时,铣刀的磨损减少,切削力基本不变,工件表面质量无明显提高。In order to study the influence of alternating magnetic field on cutting performance of cemented carbide cutting tools, YT5 cutting tools were treated with magnetic field intensification. By milling different magnetic properties materials under normal working conditions, the influence law of magnetic field was analyzed from three aspects: milling force, tool friction and wear, and workpiece surface quality. The change of milling force was measured by Kistler-9257 B dynamic piezoelectric dynamometer, and the abrasion morphology of the cutter was observed by SEM. The results show that the magnetic field strengthening treatment can optimize the workpiece surface quality of ferromagnetic materials processed by carbide milling cutter. When machining paramagnetic materials, the wear of milling cutter is reduced, cutting force is basically unchanged, and the surface quality of workpiece is not improved obviously.

关 键 词：磁场强化 硬质合金刀具 切削力 刀具磨损形貌 加工质量 

分 类 号：TH16[机械工程—机械制造及自动化] TG506[金属学及工艺—金属切削加工及机床]