Generally, standard parts will be surface-treated, so that we can achieve some of the goals we want, such as high temperature resistance.Or to prevent corrosion of standard parts.
XNUMX. Electroplating the standard parts. This method is to put the standard parts in the metal solution, and then pass the electric 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 according to some different Choose some different coating metals. If we want to prevent the standard parts from rusting, then we can electroplate the surface of the standard parts with zinc.
Second, for the surface layer of the standard parts, some standard parts, such as the self-drilling screws need a harder surface, so the self-drilling screws can be heat-treated to ensure that the self-drilling screws have sufficient hardness.This is the reason for heat treatment.
Third, the mechanical plating of standard parts is to allow metal particles to be cold welded to the standard parts to ensure some functions of the surface layer of the standard parts.Mechanical plating and electroplating are basically similar, but the methods we use are different, and the results can be said to be the same.
Fourth, for the surface passivation of standard parts, passivation has two main functions. One function is to strengthen the hardness of the standard parts, and the other function is to greatly reduce the oxidation of the standard parts.
In fact, this electroplating is not a good choice. If we can continuously increase the technological content of our standard parts, continuously improve some of our standards in terms of material selection, and continue to innovate in production.Then we are fully capable of making standard parts have the functions we want without electroplating.This is good.
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