Linear sliders can be divided into three types: roller linear guides, cylindrical linear guides, and ball linear guides. They are used to support and guide moving components to perform reciprocating linear movements in a given direction. According to the friction properties, linear motion guide can be divided into Sliding friction guide, rolling friction guide, elastic friction guide, fluid friction guide, etc.

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Linear guide rail, also known as line rail, slide rail, linear guide rail, or linear slide rail, is used in high-precision or high-speed linear reciprocating motion situations, and can bear a certain amount of torque, achieving high-precision linear motion under high loads. In mainland China, it is called linear guide rail, while in Taiwan, it is generally called linear guide rail or linear sliding rail.

The function of linear guide rail movement is to support and guide moving components to perform reciprocating linear motion in a given direction. According to the friction properties, linear motion guide can be divided into Sliding friction guide, rolling friction guide, elastic friction guide, fluid friction guide, etc.

Linear bearings are mainly used in automatic machinery, such as machine tools imported from Germany, Press brake, laser welding machines, etc. Of course, linear bearings and linear shafts are used together. Linear guides are mainly used in mechanical structures with high precision requirements. The moving and fixed components of linear guides do not use intermediate media, but instead use rolling steel balls.