Ultrasonic waves refer to sound waves that are inaudible to the human ear. The normal human hearing can detect sound waves ranging from 20 to 20,000 Hertz (HZ). Sound waves below 20 Hertz are called infrasound or subsonic waves, and those above 20,000 Hertz are called ultrasonic waves. So, what is the working principle of an ultrasonic cleaner? Now, let's have the ultrasonic cleaning machine manufacturer, Kejiemeng, introduce to you the working principle of the ultrasonic cleaning machine The principle of ultrasonic cleaning machines is mainly to convert the acoustic energy of the power ultrasonic frequency source into mechanical vibration through the transducer, and then radiate the cleaning liquid in the tank into ultrasonic waves through the tank wall. Due to the radiation of ultrasonic waves, the microbubbles in the liquid inside the tank can maintain vibration under the action of sound waves. When the sound pressure or sound intensity is subjected to pressure to a certain extent, the bubbles will rapidly expand and then suddenly close. During this process, an shock wave is generated at the moment the bubble closes, creating a pressure of 1012-1013 Pa and local temperature regulation around the bubble. The immense pressure produced by this ultrasonic cavitation can break down insoluble contaminants and dissolve them in the solution. The direct and repeated impact of steam-type cavitation on the contaminants. During the ultrasonic cleaning process, the bubbles visible to the naked eye are not vacuum cluster bubbles but air bubbles, which inhibit cavitation and reduce the cleaning efficiency. Only when the air bubbles in the liquid are completely dragged away can the vacuum nucleus group bubbles of cavitation achieve the best effect. Ultrasonic cleaning effect and related parameters: (1). Ultrasonic frequency: The lower the ultrasonic frequency, the easier it is to generate cavitation in the liquid and the stronger the effect. The higher the frequency, the stronger the directionality of ultrasonic waves, which is suitable for cleaning delicate objects. (2). Cleaning medium: Ultrasonic cleaning is adopted, and there are generally two types of cleaning agents: chemical cleaning agents and water-based cleaning agents. The cleaning medium is a chemical action, while ultrasonic cleaning is a physical action. The combination of the two actions is to thoroughly and completely clean the object. (3). Power density: The higher the power density of ultrasonic waves, the stronger the cavitation effect, the faster the speed, and the better the cleaning effect. For precise objects with extremely high surface finish, prolonged high-power-density cleaning can cause "... "effects on the object's surface. "Cavitation" Corrosion. (4). Ultrasonic cleaning temperature: Generally speaking, the ultrasonic cleaning effect is best when the temperature is between 30℃ and 40℃. The higher the temperature of the cleaning agent, the more significant its effect. In practical applications of ultrasonic cleaning, a working temperature of 30 ° C to 60 ° C is usually adopted.
The above is what the ultrasonic cleaning machine manufacturer Kejiemeng has explained to you about what is the working principle of the ultrasonic cleaning machine ? And related parameters of ultrasonic cleaning machines, such as ultrasonic cleaning machine frequency, cleaning medium, power density, etc.