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The purpose and function of sandblasting

Time:2025-11-24 16:04:00Hits:

Cleaning of workpiece surface
It can be used to treat rust layers on metals, residual salts and oxide layers on the surfaces of heat-treated parts, oxide layers on the surfaces of rolled parts, oxide layers on the surfaces of forged parts, oxide layers on the surfaces of welded parts, mold sand and oxide layers on the surfaces of castings, residual contaminants and tiny burrs on the surfaces of machined parts, and the surfaces of old machine parts, in order to remove the surface adhesive layer, reveal the true color of the substrate, and achieve a surface cleaning quality up to Sa3 level.
2. Pre-treatment of workpiece surface before coating
It can be used as a pretreatment process for various electroplating processes, brush plating processes, spray coating processes, and bonding processes to obtain an active surface and improve the adhesion between the plating layer, coating layer, and bonded parts.
3. Change the physical and mechanical properties of the workpiece
It can change the stress state on the surface of the workpiece, improve the lubrication conditions of the mating components, and reduce the noise during the movement of the components. It can harden the surface of the workpiece, enhancing the wear resistance and fatigue resistance of the parts.
4. Finishing processing of workpiece surface
It can change the surface roughness Ra value of the workpiece. It can produce a matte or diffuse reflection surface of the workpiece to achieve the purpose of polishing processing.

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