A shot blaster machine is a type of equipment used in the surface preparation industry to clean and prepare surfaces for further treatment or coatings. It is a mechanical device that uses steel shots, grits, or other abrasive media to blast a surface at high speeds, which removes contaminants, rust, scale, or other unwanted materials.

The shot blaster machine typically consists of a blasting chamber, a blasting wheel or turbine, a media storage hopper, a dust collector, and a conveyor system to move the workpiece through the machine. The blasting wheel or turbine accelerates the abrasive media and shoots it towards the surface being prepared.

The shot blaster machine is commonly used to prepare surfaces in a variety of industries, including construction, automotive, aerospace, and marine industries. It is often used to prepare surfaces before painting, coating, or bonding operations, as it creates a rough surface that enhances adhesion.

The shot blaster machine can also be used to remove concrete or asphalt surfaces, as well as to clean and restore old surfaces, such as steel bridges or concrete floors. It is a versatile and efficient machine that can significantly reduce the time and labor required for surface preparation compared to traditional methods such as sandblasting or chemical cleaning.