Advantages of differential guide rails in CNC precision machining

Advantages of different guide rails in CNC precision machining

CNC precision machining generally refers to computer numerical control precision machining, which is mainly used for the machining of precision hardware parts. Let's take a look at the advantages of different guide rails in CNC precision machining.

I. There is an oil cavity between the two working surfaces of the hydrostatic guide rail. After the lubricating oil with the necessary pressure is introduced, a hydrostatic oil film can be formed, so that the working surface of the guide rail is in pure liquid. There is no friction, no wear, and good precision retention; at the same time, the lubricating oil without inevitable pressure can form a static pressure oil film, which keeps the working surface of the guide rail clean and has good anti-attack performance. Hydrostatic guide rails can be divided into hydrostatic guide rails and good body static pressure guide rails.

Second, the slide rail has the functions of simple structure, convenient production, high rigidity and high anti-vibration . PTFE guide rail soft tape and epoxy wear-resistant guide rail coating are commonly used guide rail plastics. The characteristics of the plastic-coated slider are good impact performance, good wear resistance, smooth movement, vibration reduction performance and craftsmanship.

Third, the rolling guide rail is to place the rolling bodies such as balls, rollers, needle rollers, etc. between the guide rail surfaces, so that the sliding conflict between the guide rail surfaces becomes a rolling conflict. Compared with the sliding guide rail, the function of the churning guide rail is: high sensitivity, and the difference between the dynamic conflict coefficient and the static conflict coefficient is very small, so it is not easy to appear creeping phenomenon when moving at low speed; (high positioning accuracy, high repeat positioning accuracy, wear and tear) Small, low precision requirements, easy to wear), low precision requirements, long life. However, the anti-vibration function of the rolling guide is poor, and the protection requirements are high.

Collectively, the effect of custom metal parts on industrial society has been to eliminate custom metal works and drastically reduce the time long associated with sheet metal manufacturing.
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