It is suitable for cleaning or strengthening the surface of small and medium batch castings and forgings and riveting parts, especially for the surface cleaning or strengthening of thin-walled parts that are afraid of collision. The machine has no pits to save construction costs and is conducive to environmentally friendly working methods, which can protect the surrounding environment without harming the health of the operators. The equipment adopts advanced shot blasting technology at home and abroad, and the best shot angle and coordinates are found through CAD calculation, so that the workpiece can obtain a uniform and good cleaning effect.