Railway bearing forging is the key part of railway rolling stock, its surface quality and anti-corrosion properties are of great significance to ensure the safety and stability of railway traffic. Therefore, it is very important to study the surface treatment and anti-corrosion technology of railway bearing forgings.
Surface treatment technology
Shot peening: Impact the surface of bearing forgings through high-speed injection of projectiles, improve the surface hardness and roughness, and enhance wear resistance.
Sandblasting treatment: The surface of bearing forgings is cleaned and roughened by high-speed sprayed sand to provide a good base for subsequent coating treatment.
Anodizing: Through electrolysis, a dense oxide film is formed on the surface of bearing forgings to improve its corrosion resistance and wear resistance.
Anti-corrosion technology
Coating treatment: Coating the surface of bearing forgings with a layer of anti-corrosion, wear-resistant coating to isolate the contact between the external corrosive medium and the matrix.
Chemical treatment: A dense compound film is generated on the surface of bearing forgings through chemical reaction to improve its corrosion resistance.
Physical treatment: A layer of amorphous alloy layer is formed on the surface of bearing forgings by physical method to improve its wear resistance and corrosion resistance.
According to the service conditions and performance requirements of railway bearing forgings, the above surface treatment and anti-corrosion technology can be integrated to improve its service life and safety. With the continuous development of science and technology, the application of new technologies such as intelligent treatment and biodegradation in the field of surface treatment and anti-corrosion of railway bearing forgings can be further explored in the future to provide technical support for achieving green and efficient railway traffic.
The surface treatment and anti-corrosion technology of railway bearing forgings is one of the key factors to ensure the safe operation of railway traffic. Through the application of reasonable surface treatment and anti-corrosion technology, the wear resistance, corrosion resistance and service life of railway bearing forgings can be effectively improved, which provides a strong guarantee for the development of railway traffic.
