6. 检查和修正,螺纹丝杠的区别 滚珠丝杠和螺纹丝杠都是机械传动装置，但它们的结构和工作原理不同, 4. 环境要求：根据工作环境选择合适的防护等级和材质，PMI滚珠丝杠防护等级包括IP40、IP54、IP65和IP67, 导轨则是一种带有滑块的线性轴承，通过滑块的滑动来支撑和导向运动,通常情况下，8mm导程比较常见和易于获得,滚珠丝杠是一种常用的传动元件，广泛应用于机床、自动化生产设备、工业机器人等领域, 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, 5.将滚珠螺母与滚珠丝杠进行组装，注意滚珠螺母与滚珠丝杠的螺纹方向要一致，以免损坏螺纹, 4. 将滚珠丝杠安装在支架上，并确保丝杠与支架保持水平位置,其中，C0为最高精度等级，误差最小；C10为最低精度等级，误差最大