What are the main ways to improve the surface properties of stainless steel balls?
The surface properties of stainless steel balls directly affect the service life. In order to improve the contact fatigue strength and surface quality of steel balls, the application of surface modification technology is the surface strengthening treatment of steel balls. There are six main treatment methods for surface properties of steel ball metal steel ball materials: functional plating on the surface of metal materials: including electroless plating, electroplating, composite plating, brush plating and amorphous treatment. High energy beam treatment on the surface of metal materials: including laser surface treatment, electron beam surface modification treatment and example injection technology. Vapor deposition technology on the surface of metal materials: including physical and chemical vapor deposition.
Thermal diffusion infiltration process on the surface of metal materials: including carburizing. Nitriding and carbon and nitrogen permeation and other chemical heat treatment. Surface quenching: such as high frequency surface quenching, flame surface quenching, etc. Cold hardening treatment: such as shot peening, rolling, cold pressing, cold rail and other processes. The post-production process of steel ball production is automatic cleaning of steel balls and automatic appearance detection (Automatically remove non-conforming products) Automatic rust prevention and counting packaging are the key to affecting the quality of steel balls. Appearance inspection of steel balls is an indispensable process in the processing of steel balls. Appearance detection of steel balls mainly includes detection of surface scratches, rust, surface spots, etc. Steel balls are widely used in electric power, building materials, mining, metallurgy and other fields.
material influence: steel ball, cast iron ball, alloy steel ball, etc. The density of different materials is different, and the density of steel is larger than that of cast iron, alloy Steel varies according to the density and content of main alloy elements. Influence of steel ball manufacturing method: the rolled and forged steel balls have dense structure, so the density is high, and the cast steel balls, cast iron balls or cast alloy balls are not very dense, and even have pores, therefore, the density is smaller. Influence of metallographic structure of steel ball: the density under different crystal structures such as martensite, austenite, bainite and ferrite is also different, which also affects the fineness of crystal.
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