摘要
为分析入口压力对磨粒流加工复杂工件内表面的影响,以伺服阀壳体为研究对象,对固液两相磨粒流加工过程进行数值分析。通过分析不同入口压力条件下的压力和湍流动能,发现随着磨料入口压力的增加,内表面受到的压力也随之提升,入口处的压力最大时,出口处的压力最小。伺服阀壳体内的湍流动能也随之增大,越靠近入口处,湍流动能越大。当磨料从大孔流经小孔时,湍流动能增大,磨粒对内表面的切削作用越大,获得的表面质量越好。
To analyze the effect of inlet pressure on the inner surface of complex workpieces in abrasive flow machining,a numerical analysis is conducted on the abrasive flow machining,taking the servo valve shell as the research object.Through the analysis on pressure and turbulent kinetic energy in different pressure conditions at the inlet,it is found that the pressure on the inner surface increases while the pressure at the inlet of the abrasive increasing.When the pressure at the inlet is maximum,the pressure at the outlet is minimum.The turbulent kinetic energy inside the servo valve shell increases while the pressure at the inlet of the abrasive increasing,and the closer the position to the inlet is,the greater the turbulent kinetic energy is.When the abrasive flows through the small hole from the large hole,the turbulent kinetic energy increases,and the abrasive particles have a greater cutting effect on the inner surface,resulting in better surface quality.
作者
李胜男
蒋金海
徐志远
孙立伟
LI Shengnan(China Aerospace Changchun Control Technology Co.,Ltd.,Changchun Jilin 130102,China)
出处
《长春工程学院学报（自然科学版）》
2023年第1期66-68,共3页
Journal of Changchun Institute of Technology：Natural Sciences Edition
基金
吉林省科技发展计划项目(20200301040RQ)。
关键词
磨粒流加工
复杂内曲面
多余物去除
数值模拟
abrasive flow machining
complex inner surface
excess removal
numerical simulation
