摘要
为了解决高强度、高脆性氧化锆(ZrO2)陶瓷材料加工困题的问题,对激光加热辅助切削(Laser-assisted machining,LAM)ZrO2陶瓷加工技术进行了研究。建立了热传递的三维模型,并采用ANSYS软件进行了温度场有限元仿真。搭建了切削试验系统并进行了加工试验。试验采用Nd:YAG激光器进行连续加热,红外线测温仪测量表面温度,压电式测力仪在线测量切削力,并对切屑形状、刀具磨损状态和加工质量做了研究。结果表明:相对传统切削加工技术,LAM加工技术能够有效地减小切削力,减缓刀具磨损和改善加工表面质量。
The laser-assisted machining（LAM） was researched to solve the processing problem of zirconia（ZrO2） ceramics with high strength and high brittleness.A 3-D finite element model was built for the heat transfer,and the simulation of the temperature field was performed using software ANSYS.A machining test system was built and the machining tests were carried out.A Nd：YAG laser was used to heat the workpiece,an infrared thermometer was used to measure the surface temperature,and a piezo-ergometer was used to measure the 3-axis forces on-line.Meanwhile,the chip morphology,the tool wear state and the surface roughness were evaluated after each cutting.The research results showed that compared with the traditional cutting processing,LAM effectively reduces the cutting force and the tool wear,improves the quality of machined surface.
出处
《吉林大学学报（工学版）》
EI
CAS
CSCD
北大核心
2012年第6期1409-1414,共6页
Journal of Jilin University:Engineering and Technology Edition
基金
国家自然科学基金项目(51075188)
吉林大学科学前沿与交叉学科创新项目(421031802414)
关键词
机械制造工艺与设备
激光辅助切削
有限元仿真
氧化锆陶瓷
mechanical manufacturing technology and equipment
laser-assisted machining（LAM）
finite element method
zirconia ceramics
