摘要
本文采用正交试验分析切削速度、进给速度和径向切宽对Ti-6Al-4V钛合金铣削工件表面黏屑率和表面粗糙度的影响规律,进而利用灰色关联法进行铣削工艺参数多目标优化。结果表明:切削速度是影响铣削加工Ti-6Al-4V钛合金表面质量的重要工艺参数,顺铣比逆铣具有更高的表面加工质量;顺铣时,表面黏屑率和表面粗糙度相关性低,两者需要协调改善,铣削速度为75 m/min、进给速度为150 mm/min和径向切宽为1.1 mm的工艺参数组合可兼顾改善表面黏屑率和表面粗糙度;逆铣时,表面黏屑率和表面粗糙度高度线性相关,可以实现同时改善,铣削速度为38 m/min、进给速度为100 mm/min和径向切宽为0.2 mm时加工表面质量最佳。
This study uses orthogonal experiments to analyze the influence of cutting speed,feed rate,and radial cutting width on the surface adhesion rate and the surface roughness of Ti-6Al-4V titanium alloy after milling,and employs the gray correlation method for multi-objective optimization of milling parameters.The results show that the cutting speed is an important process parameter affecting the surface quality of Ti-6Al-4V titanium alloy during milling,and that down milling has higher surface quality than up milling does.In down milling,the correlation between surface chip adhesion rate and surface roughness is low,and these two need to be coordinated and controlled.The combination of process parameters of milling speed 75 m/min,feed rate 150 mm/min and radial cutting width 1.1 mm can balance the control of surface chip adhesion rate and surface roughness in down milling.In up milling,the chip adhesion rate on the surface is highly linearly related to the surface roughness,and simultaneous control can be achieved.The best surface quality can be achieved when the milling speed is 38 m/min with the feed rate of 100 mm/min and the radial cutting width of 0.2 mm in up milling.
作者
康春辉
李臣臣
李常平
Kang Chunhui;Li Chenchen;Li Changping
出处
《工具技术》
北大核心
2025年第5期7-11,共5页
Tool Engineering
基金
国家自然科学基金(51905169)
湖南省教育厅优秀青年项目(23B0481)。
关键词
钛合金
铣削
表面黏屑
工艺参数优化
titanium alloy
milling
surface quality
process parameter optimization
