The family belongs to the catenary-through shot blasting machine is mainly used to clean up small and medium batch of castings, forgings, alloy workpieces. To clean the surface of the residual sand inclusions, scale, rust, showing clean bright metal surface coating to improve the quality of the workpiece. The family belongs to the catenary-through shot blasting machine is mainly used to clean up small and medium batch of castings, forgings, alloy workpieces. To clean the surface of the residual sand inclusions, scale, rust, showing clean bright metal surface coating to improve the quality of the workpiece.