The working principle of the linear guide rail can be understood as a kind of rolling guidance, which is an infinite rolling cycle between the sliding block and the linear guide rail by the steel ball, so that the load platform can easily move along the guide rail with high-precision linear motion, and reduce the friction coefficient to one fiftieth of the ordinary traditional sliding guidance, which can easily achieve high positioning accuracy. The final unit design between the sliding block and the guide rail makes the linear guide rail bear the load in the up, down, left, right and other directions at the same time. The specific reflux system and the refined and simplified structural design make the linear guide rail of HIWIN move more smoothly and with low noise. Slider - converts motion from a curve to a straight line. The new guide rail system enables the machine tool to obtain rapid feed speed. Under the condition of the same spindle speed, rapid feed is the characteristic of linear guide rail.

直線導(dǎo)軌與平面導(dǎo)軌一樣，有兩個(gè)基本元件；一個(gè)作為導(dǎo)向的為固定元件，另一個(gè)是移動(dòng)元件。由于直線導(dǎo)軌是標(biāo)準(zhǔn)部件，對(duì)機(jī)床制造廠來(lái)說(shuō)．要做的只是加工一個(gè)安裝導(dǎo)軌的平面和校調(diào)導(dǎo)軌的平行度。當(dāng)然，為了保證機(jī)床的精度，床身或立柱少量的刮研是必不可少的，在多數(shù)情況下，安裝是比較簡(jiǎn)單的。作為導(dǎo)向的導(dǎo)軌為淬硬鋼，經(jīng)精磨后置于安裝平面上。與平面導(dǎo)軌比較，直線導(dǎo)軌橫截面的幾何形狀，比平面導(dǎo)軌復(fù)雜，復(fù)雜的原因是因?yàn)閷?dǎo)軌上需要加工出溝槽，以利于滑動(dòng)元件的移動(dòng)，溝槽的形狀和數(shù)量，取決于機(jī)床要完成的功能。例如：一個(gè)既承受直線作用力，又承受顛覆力矩的導(dǎo)軌系統(tǒng)，與僅承受直線作用力的導(dǎo)軌相比．設(shè)計(jì)上有很大的不同。

Like plane guide rail, linear guide rail has two basic elements; One as a guide is a fixed element, and the other is a moving element. As the linear guide rail is a standard part, for the machine tool manufacturer, all it needs to do is process the plane of an installation guide rail and adjust the parallelism of the guide rail. Of course, in order to ensure the accuracy of the machine tool, a small amount of scraping and grinding of the bed or column is essential. In most cases, the installation is relatively simple. The guide rail as a guide is made of hardened steel and placed on the installation plane after fine grinding. Compared with the plane guide rail, the geometry of the cross section of the linear guide rail is more complex than the plane guide rail. The reason for the complexity is that the guide rail needs to be processed with grooves to facilitate the movement of sliding elements. The shape and quantity of grooves depend on the functions to be completed by the machine tool. For example, the design of a guide rail system that bears both linear force and overturning moment is very different from that of a guide rail that only bears linear force.

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