摘要
为解决准干式深孔镗削中排屑的难题,在分析现有深孔镗削系统结构的基础上,采用计算流体动力学(CFD)的理论进行研究,运用Fluent软件对镗削系统中气体压力不同时切屑的空间运动轨迹进行仿真,最终通过分析仿真结果得出:切屑难以排出的位置出现在镗刀刀头附近待加工表面的底部,因此设计喷嘴的安装位置和方向时,应尽量将喷嘴对准容易产生切屑堆积的地方;大流量空气的相对压力应大于0.8 MP,可以有效提高排屑效果。
To solve the problem of removing chip on quasi-dry deep-hole boring, based on analyzing the existing deep-hole boring system structure, the computational fluid dynamics （CFD） theory is used for sludy. Then the chip space motion path of boring system were simulated on different gas pressure by software ＂Fluent＂. Finally, through analyzed simulation results, it was concluded that the position＇ where chip is difficult to remove, appeared in the bottom of the work surface near the boring cutter head. So the nozzle should be installed in order to aim at where the chip is easily stacked. The relative pressure of the mass flow air should be greater than 0.8 MP, it can efficiently improve the clearance effect.
出处
《机械设计与研究》
CSCD
北大核心
2013年第2期84-87,共4页
Machine Design And Research
基金
山西省自然科学基金资助项目(2012011046-12)
中北大学校科学基金资助项目
