The plastic guide rail of the cnc machining lathe is made by bonding the static and dynamic friction coefficient of the sliding guide rail matched with the bed rail to the same, wear-resistant and vibration-absorbing plastic soft belt, or by injection molding between the fixed and movable guide rails. Plastic rails. This plastic guide rail has good friction characteristics, wear resistance and vibration absorption, so it is widely used on CNC lathes.
The plastic soft belt is made of polytetrafluoroethylene, mixed with bronze powder, molybdenum disulfide and graphite. It is made into a soft band. The domestic production of the guide rail is TSF, and the matching DJ. Glue. The process of using the soft belt of the guide rail is simple, as long as the surface of the guide rail is semi-finished to a surface roughness of Ra1.6-3.2um. After cleaning the adhesive surface, it is bonded with glue, cured by pressure, and then finished by finishing. . Since such a rail soft belt adopts a bonding method, it is customarily referred to as a "plastic rail".
The material for injection molding of the guide rail is a two-component plastic with epoxy resin and molybdenum disulfide as the matrix, plasticizer added, and mixed into a paste and a curing agent as another component. The domestic grade is HNT. The process of injection molding of the guide rail is simple. After adjusting the mutual positional accuracy between the fixed guide rail and the moving guide rail, the two-component plastic is injected. After solidification, the fixed and movable guide rails are separated into a plastic guide rail. The plastic guide rail produced by this method is also known as a plastic guide rail. "Injection rails".
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