Shot blasting machine centrifugal grinding method: When the ordinary rotary grinding machine rotates at high speed, its substance (mixture) will surround the grinding groove, and there is no relative movement between the workpiece and the grinding stone, so there is no relative motion difference. The effect will be weak. However, a few grinding grooves are equidistantly mounted on the rotary shaft of the turret head disc, and then the planetary rotary motion is applied to give sufficient centrifugal force,