Shot Blasting Equipment and process has entered the European and American developed countries, road maintenance, bridge construction and airport maintenance and other fields. Shot blasting machine working principle: shot blasting means that the Cast Steel Shot or grit are ejected onto the working surface at a high speed and a certain angle by mechanical. Let the pellets impact the working surface. Then inside the machine through the matching vacuum cleaner air cleaning, the pellets and clean down the impurities were recovered, and make the pill can be reused technology. Shot blasting machine with a dust collector, can be clean, non-polluting construction, both to improve efficiency and protect the environment. Shot blasting equipment according to its walking can be divided into three kinds: hand push, car and self, when it operate, through controlling and selecting the pellet size, shape and adjust, set the machine’s walking speed, control the pellet’s throwing flow, get different ejection strength and different surface treatment effect. The above three parameters with each other, you can get a different treatment effect and ensure the ideal surface roughness after shot blasting.