Sand Blasting Surface Treatment Requires High Purity Raw Materials

Sand blasting surface treatment requires high purity raw materials, whose micro powder is green, and has crystal structure, high hardness, strong cutting ability, stable chemical properties and great heat conduction performance. The strong impact on the surface of workpieces makes its surface with plastic deformation, so as to achieve improved surface and change the surface state. This is also a kind of technique.

The shot blasting usually has two kinds of methods: manual operation and mechanical operation. The commonly used shot blasting includes the following types: cast iron shots, steel shots, glass shots, sand shots, etc. And black metals often choose cast iron shots, glass shots and steel shots, while non-ferrous metal and stainless steel commonly use glass shots and stainless steel shots.

Sand blasting surface treatment requires high purity raw materials, whose physical property is similar to black silicon carbide, but it is slightly black and crispy, which also has good thermal conductivity and semi-conductor properties, suitable for processing hard alloy, glass, ceramics and non-metallic materials. It is also used in the semiconductor material, high temperature silicon carbide heating element, far infrared source base material, etc.

According to the shape, sand blasting can be divided into straight wheel, tapered wheel, cylindrical grinding wheel, cup wheel, disc wheel, etc; According to the bond, it can be divided into vitrified grinding wheel, resin grinding wheel, rubber grinding wheel, metal grinding wheel, etc, whose main characteristic parameters include bond, viscosity, hardness, shape, size, etc. 

Sand blasting process is a kind of surface strengthening technology, which is widely used in factories, because the free state of silicon carbide when linear cutting and the shape changes of the cutting particles are more important on cutting efficiency and cutting quality. It has simple equipment and low cost, and is not restricted by the shape and location of workpieces, so it is easy to operate. But the working condition is poor.

Shot blasting is widely used to improve the mechanical strength and wear resistance, fatigue resistance, corrosion resistance, etc. It can also be used for surface dulling, and eliminate the residual stress of casting, forging, welding parts.