Blast processing device and blast processing method

摘要

There is provided a blast processing device (1). The blast processing device (1) includes a blast nozzle (2), an air assist nozzle (3), and a moving mechanism (4). The blast nozzle (2) blasts a blasting material (B) toward a workpiece (W), using first compressed air (A). The air assist nozzle (3) blasts second compressed air (A) for adjusting a diffusion range of the blasting material (B). The moving mechanism (4) moves the blast nozzle (2) and the air assist nozzle (3) over the workpiece (W).