Conventional Polishing Versus Ultrasonic Polishing
Ultrasonic Polishing. Roughly 35 years ago the first ultrasonic polishing machine made its debut here in the United States. Whereas conventional reciprocating tools are slightly restrictive in movement (caused by the flexible shaft/air hoses, etc.) with an effective stroke length of roughly 1/32 to 1/4quot; and a comfortable operating speed range of 2500 to 3000 strokes per minute, the tool in a