| 摘要 |
<p>A projection device for shot medium that performs surface treatment by bombarding a granular shot medium on a workpiece, the device being configured so as to be capable of continuous projection without the shot medium being exhausted as a result of the device being provided with: a projection means for projecting the shot medium on the workpiece; a scanning means for scanning the projection means in a specified direction; a shot medium-recovering means for recovering the shot medium sprayed toward the workpiece from the projection means; and a shot medium-supplying means for recirculating the shot medium, which has been recovered by the shot medium-recovering means, to the projection means.</p> |
