A shot blasting machine is a casting equipment that uses high-speed projectiles ejected by a shot blaster to clean or strengthen the surface of castings. It can simultaneously perform sand removal, core removal, and cleaning on castings. In some regions, it is also colloquially referred to as a sandblasting machine or sanding machine.

The shot blasting machine is a surface treatment technique that uses a blast pot to propel steel grit or steel shots at high speed to impact the surface of a material object. Compared to other surface treatment methods, it is faster and more effective, and can also be applied to parts that have been partially retained or stamped after the casting process.

The shot blasting machine can also be used to remove burrs, diaphragms, and rust, which may affect the integrity, appearance, or definition of a part. The machine can also remove surface contaminants from a coated part, providing a surface profile that enhances coating adhesion, thereby strengthening the workpiece.