数控铣床上面经常会用到线轨和硬轨，而这两个咋一听的话，可能很难区分一二。少一般情况下，外行很难将其彻底区分开来。其实可以简单来说，线轨就是一种用于直线往复来回运动的东西，它的作用就是在承受重量或者没有负载的情况下，能够稳定的保持良好的直线运动，使得机床的工作能够趋于稳定和精准。要是硬要将线轨和硬轨进行详细区分的话，那就要从两者在应用和作用方面的不同，进行比较。

Wire rails and hard rails are often used on CNC milling machines, and it may be difficult to distinguish between them at first glance. At least in general, it is difficult for laypeople to completely distinguish it. In fact, it can be simply put that a track is something used for linear reciprocating motion. Its function is to maintain good linear motion stably under weight or without load, making the work of the machine tool more stable and accurate. If it is necessary to distinguish between track and hard track in detail, then it is necessary to compare them based on their differences in application and function.

1、应用上面

1. On the application side

线轨和硬轨究竟有什么不同

What are the differences between track and hard track

线轨其实主要是使用在自动化机械上，比如常见的机床、折弯机、激光焊接机，这些上面用的对一些，而且不管是否承受负载的情况下，或者是否有扭矩影响的情况下，都能够确保稳定和精准的做着直线运动。

Line tracks are actually mainly used in automated machinery, such as common machine tools, bending machines, and laser welding machines. These machines are suitable for certain purposes, and can ensure stable and accurate linear motion regardless of whether they are under load or torque influence.

硬轨的话，一般多用在一些小小的额模具中，或者是一些小型零件的加工上面。但一般使用硬轨的话，都要配有主轴冷却系统。

Hard rails are generally used in small molds or in the processing of small parts. But generally, if a hard rail is used, it needs to be equipped with a spindle cooling system.

2、作用上面

2. In terms of function

线轨其实是一种支撑和引导运动部件，可以按照既定设好的方向，做着来回的直线运动。

A track is actually a supporting and guiding component that can move back and forth in a straight line according to a predetermined direction.

硬轨的话，一般会配有刀库，需要定时自动更换刀片，一般它是实现水平运动的一种。

If it is a hard track, it is usually equipped with a tool magazine, which needs to automatically replace the blades on a regular basis. Generally, it is a way to achieve horizontal movement.

其实在行业人士的眼里，线轨和硬轨的区别是一目了然的。只是一般多数人不太了解这行的话，可能会与一点点懵。简单来说的话，就是线轨就是直线运动工作，而硬轨是水平运动工作。

In fact, in the eyes of industry professionals, the difference between rail and hard rail is clear at a glance. However, if most people are not familiar with this field, they may feel a little confused. Simply put, the line track works in linear motion, while the hard track works in horizontal motion.

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