The main function of precision ball screw is to support the linear motion, which makes the linear motion more accurate and can still maintain the linear motion at high speed. Its own guide rail has high requirements. Only when the guide rail can provide an accurate and useful way can it ensure that its linear motion is effective and useful. The requirements of precision ball screw for guide rail are as follows.

1、導(dǎo)向的精度要求

1. Accuracy requirements for guidance

導(dǎo)軌支持運(yùn)動(dòng)做直線運(yùn)動(dòng)還是做帶有圓度的運(yùn)動(dòng)，而影響到導(dǎo)向精度的是導(dǎo)軌的幾何精度還有結(jié)構(gòu)形式。當(dāng)然了導(dǎo)軌的熱變形也在一定程度上影響到了精度，還有工作時(shí)候可能碰到的特殊情況，比如說(shuō)是油膜的厚度。

The guide rail supports linear motion or motion with roundness, and what affects the guiding accuracy is the geometric accuracy and structural form of the guide rail. Of course, the thermal deformation of the guide rail also affects the accuracy to a certain extent, and there are special situations that may be encountered during work, such as the thickness of the oil film.

2、耐磨

2. Wear resistance

反復(fù)的直線運(yùn)動(dòng)，要求導(dǎo)軌的耐磨性要較高，否直線運(yùn)動(dòng)的時(shí)間一長(zhǎng)，導(dǎo)軌本身的精度就已經(jīng)降低了，那么滾珠絲桿的直線運(yùn)動(dòng)的穩(wěn)定性也就受到了影響。

Repeated linear motion requires high wear resistance of the guide rail. If the linear motion takes a long time, the accuracy of the guide rail itself has been reduced, and the stability of the linear motion of the ball screw has been affected.

3、防止疲勞點(diǎn)的突變

3. Prevent sudden change of fatigue point

反復(fù)的直線運(yùn)動(dòng)，導(dǎo)軌上面就會(huì)出現(xiàn)疲勞點(diǎn)，而這個(gè)疲勞點(diǎn)就會(huì)出現(xiàn)凹坑的情況，所以在控制滾動(dòng)導(dǎo)軌的時(shí)候一定要考慮到大負(fù)荷情況和承受力度是否均勻的情況。防止疲勞點(diǎn)出現(xiàn)突變，就能夠確保導(dǎo)軌的有用性。

Repeated linear movement will lead to fatigue points on the guide rail, and pits will appear at this fatigue point. Therefore, when controlling the rolling guide rail, we must consider the large load and whether the bearing force is uniform. The usefulness of the guide rail can be ensured by preventing sudden changes in fatigue points.

滾珠絲桿對(duì)導(dǎo)軌的要求是比較高的，就怕反復(fù)的直線運(yùn)動(dòng)導(dǎo)致導(dǎo)軌上面出現(xiàn)疲勞點(diǎn)，導(dǎo)致疲勞點(diǎn)出現(xiàn)坑洼的情況下使得直線運(yùn)動(dòng)不能夠準(zhǔn)確有用。因此在選購(gòu)的時(shí)候，導(dǎo)軌的耐磨性和承受力度問(wèn)題一定要被考慮進(jìn)去。

The ball screw has high requirements for the guide rail. It is afraid that the repeated linear movement will lead to fatigue points on the guide rail and pits on the fatigue points, so that the linear movement can not be accurate and useful. Therefore, when purchasing, the wear resistance and bearing strength of the guide rail must be taken into account.