Screws are the most common components in mechanical equipment, and the effect is also very important. However, the corrosion of screws during the application is one of the most common destructive matters. To prevent the occurrence of corrosion in the use of screws, many After the manufacturer produces the screws, they will perform surface treatment. Which surface treatment methods can be used to improve the screws to prevent corrosion? There are mainly four appearance treatments to prevent the occurrence of screw attacks:
First, electroplating standard parts. This method is to put the standard parts into the metal solution, and then let the standard parts cover a layer of metal through the current. There are many effects on this layer of metal. For example, we can use some The effect is not the same as the selection of some different plating metals, if we want to prevent the standard parts from rusting, then we can galvanize the surface of the standard parts.
Second, on the heat treatment of the standard parts, there are some standard parts. For example, the requirements for the self-drilling screws are comparatively strong. Therefore, the heat treatment on the self-drilling screws can be performed to ensure that the self-drilling screws have satisfactory hardness. This is the reason for the heat treatment.
Third, the mechanical plating of the standard parts is to allow the metal particles to perform cold welding on the standard parts to ensure some effects of the surface of the standard parts. Mechanical plating and electroplating are basically similar, but the methods we use are not the same. The results can be said to be the same.
Fourth, on the surface passivation of standard parts, passivation has two main effects, one effect is that it can strengthen the hardness of standard parts, and there is an effect that can make standard parts of the oxidation effect greatly reduced.
In the process of screw surface treatment, we can select the most appropriate method based on the specific needs. Such screws can play very good results in the application process.