The principle of ultrasonic atomization spraying
Ultrasonic spray coating utilizes the piezoelectric effect to convert electrical energy into high-frequency mechanical energy, thereby atomizing liquids. By using ultrasonic high-frequency oscillation, liquids are atomized into uniform micrometer-sized particles. Compared to traditional pressure-based nozzles, ultrasonic spraying can achieve more uniform, thinner, and more controllable thin-film coatings, and is less prone to nozzle clogging. Since ultrasonic nozzles require only kilopascal-level micro air volume, there is almost no splashing during the spraying process, resulting in a paint utilization rate of over 90%.