This Crawler belt deburring sand blaster uses suction sand blasting, which uses compressed air to flow at high speed in the spray gun to form a negative pressure to induce ejection. The abrasive in the box is sucked into the spray gun through a hose, and then the compressed air flows from the nozzle to the surface of the workpiece at high speed. To achieve the purpose of sandblasting. This kind of sand blaster machine is simple in appearance, high efficiency, and save space and reduce dust.