The trapezoidal lead screw can be easily adjusted in combination with specific applications to achieve the expected performance and control the cost at a lower limit. However, when using the trapezoidal lead screw, in order to give full play to its use value, we need to grasp a reasonable installation method in addition to considering quality and paying attention to maintenance.

1、采用整体式专用芯棒把丝母座孔校正，使得梯形丝杠和基准导轨的正、侧向平行度在0.01/1000以内。

1. The integrated special mandrel is used to correct the nut seat hole, so that the positive and lateral parallelism between the trapezoidal lead screw and the reference guide rail is within 0.01/1000.

2、把丝母座固定后，利用测量夹具实际测量出丝母座孔距基准导轨的正、侧向距离，然后，同样采用整体式专用检棒把轴承孔和基准导轨的正、侧向平行度找正在0.01/1000以内，采用专用测量夹具实际测量出轴承孔距基准导轨的正、侧向距离，此时要求丝母孔和基准导轨正、侧向距离一致，允差为0.01，将轴承座固定。

2. After fixing the screw nut seat, use the measuring fixture to actually measure the positive and lateral distance between the screw nut seat hole and the reference guide rail, then use the integrated special inspection rod to find the positive and lateral parallelism between the bearing hole and the reference guide rail within 0.01/1000, and use the special measuring fixture to actually measure the positive and lateral distance between the bearing hole and the reference guide rail, At this time, the positive and lateral distance between the screw nut hole and the reference guide rail is required to be consistent, and the tolerance is 0.01. Fix the bearing seat.

3、在安装梯形丝杠的过程中，需要严格控制梯形丝杠的轴向窜动量，因为这会直接影响梯形丝杠进给系统的传动位置精度。

3. In the process of installing the trapezoidal lead screw, the axial displacement of the trapezoidal lead screw needs to be strictly controlled, because it will directly affect the transmission position accuracy of the trapezoidal lead screw feeding system.

4、梯形丝杠轴的预拉伸也是非常有必要的，为了提高梯形丝杠进给系统的刚度和精度，给丝杠轴实施预拉伸是非常有用的，但由于丝杠轴的各断面不同，而温值又不易准确设定，所以按有关文献计算得出的预拉力只能作为参考量。在生产中常常是把具有负值方向的目标值的丝杠轴进行预拉伸，使机床工作台的定位精度曲线的走向接近水平。

4. The pre stretching of the trapezoidal lead screw shaft is also very necessary. In order to improve the stiffness and accuracy of the trapezoidal lead screw feed system, it is very useful to pre stretch the lead screw shaft. However, due to the different sections of the lead screw shaft and the temperature value is not easy to set accurately, the pre stretching calculated according to the relevant literature can only be used as a reference. In production, the lead screw shaft with the target value in the negative direction is often pre stretched to make the orientation accuracy curve of the machine tool workbench close to the horizontal.

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