【摘要】 分析了电液伺服阀内孔和内环槽加工的难点及电加工的特点，重点介绍了电火花内圆磨床的改造和电参数的选择以及应用电火花内圆磨床取得的技术经济效果。更多还原

【Abstract】 In this paper, the difficulties in processing internal holes and grooves of the electric-hydraulic servo valve and the characteristics of electric machining are analyzed. The emphasis is put on the retrofitting of electro-spark internal grinding machines, the selection of electro-machining parameters, and the techno-economic effects obtained in the application of electro-spark internal grinding machines.更多还原