What are the types of guide rails for CNC machine tools?

In CNC machine tools, guide rails play a vital role and are one of the core components that ensure the accuracy and rigidity of machine tools. Common guide rails currently on the market mainly include linear guide rails, rolling guide rails and sliding guide rails.
Linear guide means that the sliding surface of the machine tool table and bed adopts two linear guide rails. The rolling steel balls between the linear guide rails are used to maintain positioning and bear loads. They have the characteristics of high precision, high stiffness and wear resistance. Linear guides are widely used in high-precision CNC machine tools, injection molding machines, EDM machines and measuring instruments.
Rolling guides refer to the sliding surfaces of machine tool worktables and lathes that use rolling rails and balls to maintain positioning and bear loads. They have the characteristics of high precision, high stiffness and low noise. Rolling guide rails are widely used in high-speed CNC machine tools, mold processing machine tools, automated production lines and other fields.
Sliding guide rails refer to the sliding surfaces of the machine tool table and bed using parallel-spaced inclined plane guide rails. The guide rails and hydraulic or pneumatic oil films are used to maintain positioning and bear loads. They have the characteristics of low friction, low wear and low cost. Sliding guide rails are widely used in low-speed CNC machine tools, assembly lines, packaging machinery and other fields.
Different types of guide rails are suitable for different machine tools and working scenarios. Users should choose based on specific needs and budget when choosing CNC machine tools. No matter what kind of guide rail it is, regular maintenance and repairs are required to ensure its accuracy and lifespan.