The thesis comes from the double - side turntable die spotting press project cooperated by npu908 with shannxi forging and rolling equipment works . the main work is studying high - accuracy position control system of double - side turntable die spotting press . the system uses proportional orientation valve with high echo performance 课题来源于九零八教研室与陕西压延设备厂联合研制的1000kn双侧翻转模具研配压机这一实际工程项目，论文主要研究内容是研配压机的高精度位置控制系统。
