由于滚珠丝杠轴承的型号种类繁多，常用的有SFU、DFU、SFE、SFK、SFT等，每种型号都有其适用场合和特点,上海左旋滚珠丝杠副是一种常用于机械传动系统中的零部件, 4.根据D和T的测量值，计算出滚珠丝杠的螺距P=T/3,其中，高强度铸铁是常用材料之一，因其具有高强度、高韧性、耐磨性好等特点，可以满足滚珠丝杠磨床的高精度、高质量要求,公司拥有先进的生产设备和技术，生产的微型滚珠丝杠质量稳定，使用寿命长,我们拥有先进的生产设备和技术团队，能够保证产品的质量和交货期,滚珠丝杠是一种将旋转运动转换为直线运动的机构，它由螺杆、螺母和滚珠组成,滚珠丝杠滚道半径公式为： r = (D - d) / 2 其中，r为滚道半径，D为外径，d为内径,它们由螺纹杆和螺母组成，通过滚珠在螺纹杆和螺母之间滚动来实现高效的线性运动, 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