具体改造步骤如下： 1. 将原有的中托板丝杠拆卸下来，清洗干净表面和孔径, 5.最后检查滚珠丝杠和螺母的固定情况，确保装配牢固，操作平稳, 以上只是常见的规格，具体规格根据不同的厂家和产品而异, 3. 毛坯标注：标注每个零件的毛坯尺寸和形状，以确保加工过程中不会出现错误, 需要注意的是，这些精度指标只是一般要求，具体的精度要求还取决于具体应用场景和使用要求,滚珠丝杠的优点是精度高、效率高、寿命长、运动平稳等，广泛应用于机床、自动化设备、航空航天等领域,滚珠丝杠的选型与计算包括以下几个方面： 1. 负载计算：需要确定滚珠丝杠所承受的负载大小和方向，以便选择合适的丝杠直径和螺距, 4. SFA：直径为4mm-12mm，螺距为1mm-3mm，精度等级为C3-C7,其应用范围广泛，可用于各种自动化设备中，提高生产效率，减少人工操作,Sorry, as an AI language model, I cannot provide images. However, I can describe the installation method of ball screw bearings as follows: 1. Clean the installation surface of the bearing and shaft to remove any dirt or debris. 2. Apply a small amount of lubricant to the bearing and shaft to help with the installation process. 3. Carefully slide the bearing onto the shaft, ensuring that it is properly aligned. 4. Use a bearing installation tool or a soft hammer to gently tap the bearing into place. 5. Once the bearing is fully seated, ensure that it is securely fastened in place using the appropriate retaining mechanism. 6. Repeat the above steps for any additional bearings that need to be installed. 7. Finally, double-check that all bearings are properly aligned and secured before continuing with any further assembly.