硬质合金和PCD刀具高速车削GFRP试验研究  

Experimental study on GFRP high speed turning of hard alloy and PCD cutting tools

作　　者：李文浩 施华[1] 杨文超 葛亮[1] 刘成炜 崔众晗 于晓琳[1] 黄树涛[1] LI Wenhao;SHI Hua;YANG Wenchao;GE Liang;LIU Chengwei;CUI Zhonghan;YU Xiaolin;HUANG Shutao(School of Mechanical Engineering,Shenyang Ligong University,Shenyang 110159,China;Jiangxi Changjiang Chemical Co.Ltd.,Jiujiang 332000,China)

机构地区：[1]沈阳理工大学机械工程学院,辽宁沈阳110159 [2]江西长江化工有限责任公司,江西九江332000

出　　处：《兵器材料科学与工程》2025年第2期23-28,共6页Ordnance Material Science and Engineering

基　　金：中央引导地方科技发展资金资助(2023JH6/100100045)。

摘　　要：针对玻璃纤维增强复合材料(GFRP)难加工的特性,对比研究了Al_(2)O_(3)+TiN涂层硬质合金刀具和PCD刀具高速车削GFRP时的切削性能。结果表明:Al_(2)O_(3)+TiN涂层刀具初期磨损主要为涂层剥落和基体磨损,PCD刀具初期磨损主要为刃口微崩,随切削长度的增加,两种材料刀具均以后刀面磨损为主,其中Al_(2)O_(3)+TiN涂层刀具还伴有前刀面凹窝形磨损。切削过程中PCD刀具的各切削分力和切削温度及表面粗糙度均低于硬质合金刀具。在高速切削条件下PCD刀具的耐磨性远高于Al_(2)O_(3)+TiN涂层刀具,更适合对GFRP进行长时间稳定车削。bstract A comparative study was conducted on the cutting performance of Al_(2)O_(3)+TiN coated hard alloy cutting tools and PCD cutting tools during high⁃speed turning of glass fiber reinforced polymer(GFRP)materials,which are difficult to machine.The results show that the initial wear of Al_(2)O_(3)+TiN coated cutting tools is mainly caused by coating peeling and substrate wear,while the initial wear of PCD tools is mainly caused by slight chipping of the cutting edge.With the increase of cutting length,both types of cutting tools mainly experienced are on the rear cutting surface,among which Al_(2)O_(3)+TiN coated cutting tools are also accompanied by concave wear on the front cutting surface.During the cutting process,the cutting force,cutting temperature,and surface roughness of PCD tools are lower than those of hard alloy tools.Under high⁃speed cutting conditions,the wear resistance of PCD tools is much higher than that of Al_(2)O_(3)+TiN coated tools,making them more suitable for long⁃term stable turning of GFRP.

关 键 词：玻璃纤维增强复合材料 高速车削 刀具磨损 切削力 切削温度 表面粗糙度 

分 类 号：TB332[一般工业技术—材料科学与工程]