The speed of the conveyor belt of the shot blasting machine can be adjusted according to the output requirements. The machine is also equipped with an efficient abrasive recycling, separating and control system, which can continuously clean the dust, debris and particles that are too large or too small in the abrasive. There is an abrasive control valve, which can meter the amount of abrasive entering the shot blasting wheel device. With the special position and power of the shot blasting wheel and the innovative operation handling system, a very good finishing effect can be achieved. It can clean 6 cylinders per minute, and can also manufacture shot blasting machines for cylinders of different sizes and different production capacities according to customer requirements.