磨料流加工工件表面粗糙度研究  

Research on Surface Roughness of Abrasive Flow Machining Workpiece

作　　者：张方东[1] ZHANG Fangdong(Shanxi Institute of Mechanical&Electrical Engineering,Changzhi 046011)

机构地区：[1]山西机电职业技术学院,长治046000

出　　处：《现代制造技术与装备》2020年第10期162-163,共2页Modern Manufacturing Technology and Equipment

基　　金：山西省高等学校科技创新项目(2019L1000)。

摘　　要：针对工件经磨料流加工后表面的粗糙度数值改变问题,在总结磨料去毛刺机理的基础上,建立粗糙度数学模型,理论分析临界粗糙度的存在条件。通过加工圆管和叶片泵转子槽底孔去毛刺试验分析可知,当上道工序的加工表面的粗糙度值大于该临界粗糙度时,磨料流加工后粗糙度将进一步减小;当上道工序的加工表面的粗糙度值小于该临界粗糙度时,磨料流加工后粗糙度反而增大;最终的表面粗糙度值接近临界表面粗糙度。Aiming at the problem of the change of the surface roughness value of the workpiece after being processed by the abrasive flow,this paper summarized the mechanism of abrasive deburring,established the mathematical model of the roughness,and theoretically analyzed the existence condition of the critical roughness.Through the experimental analysis of deburring the bottom hole of the rotor groove of the processing tube and the vane pump,it is known that when the roughness value of the processed surface of the previous process was greater than the critical roughness,the roughness would be further reduced after the abrasive flow processing;When the roughness value of the processed surface of the process was less than the critical roughness,the roughness would increase after the abrasive flow processing;the final surface roughness value was close to the critical surface roughness.

关 键 词：磨料流加工 表面粗糙度 工艺参数 

分 类 号：TG664[金属学及工艺—金属切削加工及机床]