The anti-corrosion treatment of Shield segment bolts is an important measure to ensure their long-term stable operation and extend their service life. In practical applications, there are many methods to achieve anti-corrosion treatment of Shield segment bolts, each method has its own characteristics and applicable scenarios.
First of all, passivation treatment is a common anti-corrosion method. This method effectively prevents bolts from corrosion by dissolving iron contaminants on the screws and forming a passivating protective film on the bolt surface. This protective film resists corrosive factors in the environment and provides long-term protection for the bolts. Passivation treatment is usually used to protect delicate equipment such as electronic products because it does not significantly affect the conductive properties of bolts.
Secondly, galvanizing is also a commonly used anti-corrosion method. By coating the surface of the bolt with a layer of zinc, its resistance to corrosion attack can be significantly enhanced. Different electroplating layers can produce different degrees of corrosion resistance to adapt to the needs of different environments. Galvanizing treatment is suitable for a variety of scenarios, but in some special environments, such as high temperature, high humidity or strong acid and alkali environments, it may be necessary to combine other anti-corrosion measures to ensure the long-term use of bolts.
In addition, polymer composite coating is also an anti-corrosion technology widely used in recent years. This material can be quickly cured and formed under sunlight or ultraviolet light, and has the characteristics of high strength, corrosion resistance, insulation, and high temperature resistance. It is suitable for anti-corrosion treatment of bolts in harsh environments such as heavy salt spray and heavy acid fog, and can effectively prevent bolts from being corroded and damaged.
In actual operation, bolts need to be thoroughly cleaned and inspected before anti-corrosion treatment to ensure that their surfaces are free of dirt, grease and corrosion marks. After cleaning, choose the appropriate anti-corrosion method according to the use environment and requirements. After the treatment is completed, the bolts need to be dried and inspected again to ensure that they achieve the expected anti-corrosion effect.
In summary, there are various anti-corrosion treatment methods for Shield segment bolts, which should be selected and applied according to the specific use environment and requirements. At the same time, regular inspection and maintenance are also key measures to ensure long-term stable operation of bolts.