The working principle of the linear guide can be understood as a kind of rolling guidance, which is an infinite rolling cycle between the slider and the linear guide by the steel ball, so that the load platform can easily move in a high-precision linear motion along the guide, and the friction coefficient can be reduced to one-fifth of the ordinary traditional sliding guidance, which can easily achieve high positioning accuracy. The final unit design between the slider and the guide rail enables the linear guide rail to 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 enable HIWIN's linear guide rail to move more smoothly and with low noise. Slider - changes the 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.

直线导轨与平面导轨一样，有两个基本元件；一个作为导向的为固定元件，另一个是移动元件。由于直线导轨是标准部件，对机床制造厂来说．要做的只是加工一个安装导轨的平面和校调导轨的平行度。当然，为了保证机床的精度，床身或立柱少量的刮研是必不可少的，在多数情况下，安装是比较简单的。作为导向的导轨为淬硬钢，经精磨后置于安装平面上。与平面导轨比较，直线导轨横截面的几何形状，比平面导轨复杂，复杂的原因是因为导轨上需要加工出沟槽，以利于滑动元件的移动，沟槽的形状和数量，取决于机床要完成的功能。例如：一个既承受直线作用力，又承受颠覆力矩的导轨系统，与仅承受直线作用力的导轨相比．设计上有很大的不同。

Like plane guide rail, linear guide rail has two basic components; One is a fixed element as a guide, and the other is a moving element. As the linear guide rail is a standard component, for machine tool manufacturers, all they need to do is to 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, which is 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 the sliding elements. The shape and number of grooves depend on the function of the machine tool. For example, the design of a guideway system that bears both linear force and overturning torque is very different from that of a guideway that only bears linear force.

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