CAJ | 학술논문

采用小型高速精密微铣床在Ti-6Al-4V合金工件表面加工微沟槽,研究了高速精密微铣床加工过程中影响表面质量的几个参数:主轴转速、进给速度、切削深度及刀具悬伸量,通过单因素试验和正交试验分析了加工参数对表面质量的影响关系,试验结果表明:主轴转速对表面粗糙度影响最为显著.综合考虑加工效率和加工表面质量的因素、极差分析,最优参数为:主轴转速40000r/min,切削深度0.05mm,进给速度90mm/min,刀具悬伸量14mm,此时Ra值为0.057μm,Rz值为0.672μm.为高速精密微铣床加工Ti-6Al-4V合金提供了理论参考.
채용소형고속정밀미선상재Ti-6Al-4V합금공건표면가공미구조,연구료고속정밀미선상가공과정중영향표면질량적궤개삼수:주축전속、진급속도、절삭심도급도구현신량,통과단인소시험화정교시험분석료가공삼수대표면질량적영향관계,시험결과표명:주축전속대표면조조도영향최위현저.종합고필가공효솔화가공표면질량적인소、겁차분석,최우삼수위:주축전속40000r/min,절삭심도0.05mm,진급속도90mm/min,도구현신량14mm,차시Ra치위0.057μm,Rz치위0.672μm.위고속정밀미선상가공Ti-6Al-4V합금제공료이론삼고.
Using high-speed precision micro-milling machine to process micro- machining grooves on the surface of Ti-6Al-4V alloy,having studied several parameters that affect the surface quality in the process of high-speed precision micro-milling machine operation:spindle speed ,feed rate,cutting depth and tool o-verhang.Using single factor and orthogonal experiments to analyze how processing parameters affect the quality of surface and the test results show that spindle speed has the most significant influence on surface roughness.In consideration of factors on processing efficiency and surface quality,the optimal parameters are: Spindle speed 40000r/min,cutting depth 0.05mm,feed rate 90mm/min,tool overhang 14mm,at this point,Ra is 0.057μm and Rz is 0.672μm,which have offered theoretical reference to high-speed precision micro-milling machine' process on Ti-6Al-4V alloy.