Fasteners are the most common parts in mechanical equipment, and their function is also very important, but corrosion is the most common type of damage during the use of fasteners, in order to prevent fasteners from occurring during use. Corrosion phenomenon, many manufacturers will surface treatment after the production of fasteners, which surface treatment can improve the corrosion prevention of fasteners? There are four surface treatment methods to prevent corrosion of fasteners:
Fastener plating
First, the standard parts are electroplated. This method is to put the standard parts into the metal solution, and then pass the current to cover the surface of the standard parts with a layer of metal. There are many functions for this layer of metal. For example, we can use some different The role of choosing a number of different coating metals, if we want to prevent the standard parts from rusting, then we can plate zinc on the surface of the standard parts.Fastener heat treatment
Second, for the standard part of the heat treatment, there are some standard parts, such as the drill screw requires a relatively hard surface, so you can heat the drill screw to ensure that the drill screw has sufficient hardness. This is the reason for the heat treatment.Mechanical plating of fasteners
Third, mechanical plating of standard parts is to let the metal particles cold-weld the standard parts to ensure some functions of the surface of the standard parts. Mechanical plating and electroplating are basically similar, except that the method we use is different, and the result can be said to be the same.
Fastener surface passivation
4. For surface passivation of standard parts, passivation has two main functions. One function is to strengthen the hardness of the standard parts, and another function is to greatly reduce the oxidation of the standard parts. When performing fastener surface treatment processes, we can choose the most appropriate method based on the specific needs. This way the fasteners can play a better role during use.
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