与单螺母滚珠丝杠相比，双螺母滚珠丝杠具有更高的载荷能力、更好的刚性和更稳定的运动性能, 关键词：车床；滚珠丝杠；精密加工；控制系统 Abstract: In view of the precision machining requirements, a precision machining device based on lathe ball screw is designed in this paper. The device adopts high precision ball screw transmission system, combined with precision guide rail system and control system, to achieve high precision machining and motion control. In this paper, the structure and working principle of ball screw are introduced first, and then the design scheme and key technology of the device are analyzed in detail. Finally, experimental verification is carried out, and the results show that the device has high precision and reliability, and can meet the requirements of high precision machining. Keywords: lathe; ball screw; precision machining; control system,滚珠丝杠通常由滚珠、丝杠和螺母组成，用于转动和传递力矩,在工业生产中，正反滚珠丝杠被广泛应用于各种机械设备中，例如数控机床、自动化生产线、机器人等, 5. 分析结果可以通过“运动分析”-“结果”-“图形”进行可视化展示, 5. 滚珠丝杠回转精度检测：通过测量滚珠丝杠的回转精度来评估其运动的平稳性和精度,伺服电机具有更高的转速和更高的运动精度，能够实现更高的控制精度和速度,装配完成后，需要进行质量检测和试运行，以确保滚珠丝杠能够正常工作,SFE型滚珠丝杠具有较高的转换效率和较低的噪音，可以满足一般机械设备的需求, 5.将滚珠丝杠的两端连接好，并用扳手拧紧螺母，以确保滚珠丝杠不会松动