4. 质量稳定：滚珠丝杠的制造工艺较复杂，但质量稳定，能够保证线切割机床的长期稳定性,一般来说，直径和螺距越大，其承载能力也越大, 需要注意的是，DN值并不是唯一的评价指标，还有其他因素如材料、润滑方式、工作环境等也会影响滚珠丝杠的工作能力,根据公式： $$ d = frac{2}{3} cdot frac{F}{pi cdot p cdot cos alpha cdot sigma_{ ext{B}}} + d_0 $$ 其中，$F$为载荷，$p$为螺距，$alpha$为螺旋角，$sigma_{ ext{B}}$为材料的抗拉强度，$d_0$为丝杆直径,其中，C7级别的精度要求为每英尺误差在0.0005英寸以内，C5级别的精度要求为每英尺误差在0.0003英寸以内，C3级别的精度要求为每英尺误差在0.0001英寸以内,具体价格需要根据产品的具体要求来确定, 一般来说，扭矩惯量越大，电机的加速度和减速度就越小，响应速度就越慢，但是能够提供更大的扭矩输出, 2. 确认滚珠丝杠的安装位置和方向，以便正确地识别回程通道, 关键词：滚珠丝杠；步进电机；定位系统；控制系统；传感器 Abstract: This design focuses on the development of a high-precision positioning system based on ball screw. The system uses a stepper motor to drive the ball screw for positioning, with the advantages of high precision, fast speed, quietness, and long service life. The design mainly involves the selection of ball screws, the drive of stepper motors, the selection and installation of sensors, and the design of control systems. Through experimental verification, the system has high positioning accuracy and stability, and can be used in various occasions that require high-precision positioning. Keywords: ball screw; stepper motor; positioning system; control system; sensor, 2. 加工前的调整：根据工件的要求，调整滚珠丝杠机床的刀具和工件的位置，确保切削力和切削角度合适