Linear guides, also known as linear rails, slide rails, linear guides, and linear slide rails, are used for linear reciprocating applications. They have a higher rated load than linear bearings. They can withstand a certain torque and can be completed under high load conditions. Linear motion with precision. In the mainland, it is called linear guide rail. Taiwan is generally called linear guide rail and linear slide rail.
  The first is divided into a square ball linear guide, a double-axis core roller linear guide, and a single-axis linear guide. The role is that the linear guide motion is used to support and guide the moving parts to make a reciprocating linear motion in a given direction. Depending on the nature of the conflict, linear motion guides can be classified into sliding collision guides, rollover conflict guides, elastic conflict guides, and fluid conflict guides.