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、采用整體式專用芯棒把絲母座孔校正，使得梯形絲杠和基準(zhǔn)導(dǎo)軌的正、側(cè)向平行度在0.01/1000以內(nèi)。

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、把絲母座固定后，利用測量夾具實(shí)際測量出絲母座孔距基準(zhǔn)導(dǎo)軌的正、側(cè)向距離，然后，同樣采用整體式專用檢棒把軸承孔和基準(zhǔn)導(dǎo)軌的正、側(cè)向平行度找正在0.01/1000以內(nèi)，采用專用測量夾具實(shí)際測量出軸承孔距基準(zhǔn)導(dǎo)軌的正、側(cè)向距離，此時(shí)要求絲母孔和基準(zhǔn)導(dǎo)軌正、側(cè)向距離一致，允差為0.01，將軸承座固定。

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、在安裝梯形絲杠的過程中，需要嚴(yán)格控制梯形絲杠的軸向竄動(dòng)量，因?yàn)檫@會(huì)直接影響梯形絲杠進(jìn)給系統(tǒng)的傳動(dòng)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、梯形絲杠軸的預(yù)拉伸也是非常有必要的，為了提高梯形絲杠進(jìn)給系統(tǒng)的剛度和精度，給絲杠軸實(shí)施預(yù)拉伸是非常有用的，但由于絲杠軸的各斷面不同，而溫值又不易準(zhǔn)確設(shè)定，所以按有關(guān)文獻(xiàn)計(jì)算得出的預(yù)拉力只能作為參考量。在生產(chǎn)中常常是把具有負(fù)值方向的目標(biāo)值的絲杠軸進(jìn)行預(yù)拉伸，使機(jī)床工作臺(tái)的定位精度曲線的走向接近水平。

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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