摘要
针对陶瓷叶片型面的超声磨削加工,建立了超声磨削在小直径磨轮、大切深、蠕动进给条件下单颗磨粒最大切深模型。分析了圆柱磨轮数控展成超声磨削平行直纹面时刀具空间位置,设计、制造了数控展成超声磨削成形加工机床。建立了平行直纹面数学模型,计算出磨轮空间轨迹,并进行超声磨削加工陶瓷叶片型面工艺试验。工艺试验结果表明:蠕动进给超声磨削加工陶瓷叶片型面是可行的。
In order to machine the surface of a ceramic blade,the mode of the maximal undeformed chip thickness is constructed at the condition of small grinding wheel,big cutting depth and creep feed.The cutter location in the process of CNC（computer numerical control）ultrasonic grinding of the parallel ruled surface with cylindrical grinding wheel is analyzed.The CNC ultrasonic grinding device is designed and manufactured.The mathematical model of the parallel ruled surface is constructed.The path of grinding wheel is calculated,and the experiment of ultrasonic grinding of the surface of Al2O3 ceramic blade is carried out.The result of experiment shows that ceramic blade surface can be machined by creep feed ultrasonic grinding.
出处
《机械科学与技术》
CSCD
北大核心
2011年第4期679-682,688,共5页
Mechanical Science and Technology for Aerospace Engineering
基金
江苏省自然科学基金项目(BK2001048)资助
关键词
超声磨削
陶瓷叶片
蠕动进给
ultrasonic grinding
ceramic blade
creep feed
