A metal tool is given a high frequency, low amplitude oscillation perpendicular to the workpiece, which transmits a high velocity to fine abrasive particles present between the tool and workpiece. These particles strike the workpiece, chipping away small particles
A metal tool is given a high frequency, low amplitude oscillation perpendicular to the workpiece, which transmits a high velocity to fine abrasive particles present between the tool and workpiece. These particles strike the workpiece, chipping away small particles, and the tool is gradually fed into the workpiece. The “chips” are carried away from the workpiece by a constant flow of cooled slurry. The workpiece is abraded into a mirror image of the tool.
In rotary ultrasonic machining (RUSM), the tool is rotated as well as being 