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How to choose the power size when purchasing an ultrasonic cleaning machine

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The choice of ultrasonic cleaning machine power will have a great impact on the cleaning effect and cleaning time of the ultrasonic cleaning machine. Only a reasonable selection of the power of the ultrasonic cleaning machine will produce a good cleaning effect. When we buy an ultrasonic cleaning machine, it is not only about its capacity and frequency, but also the power of the ultrasonic cleaning machine. Often people just don’t know how to choose and cannot choose the ultrasonic cleaning machine that suits them. Let me tell you about ultrasound equipment.

1. It is not that the higher the power, the better the cleaning effect, but the correct and reasonable choice of ultrasonic power ultrasonic cleaning machine. The ultrasonic cleaning effect is not necessarily proportional to (power × cleaning time), sometimes with low power, it takes a long time to Remove dirt. And if the power reaches a certain value, the dirt is sometimes quickly removed. If the selected power is too large, the cavitation strength will be greatly increased, and the cleaning effect will be improved, but at this time, the more precise parts will also be corroded, which is not worth the loss. Moreover, the vibration plate at the bottom of the cleaning tank of the ultrasonic cleaning machine has serious cavitation, and the corrosion of water spots also increases. When using organic solvents such as trichloroethylene, there is basically no problem, but when using water or water-soluble cleaning liquid, it is easy to be affected by water spots. Corrosion, if the surface of the vibrating plate has been scratched, the cavitation corrosion on the bottom of the water under high power is more serious, so the ultrasonic power should be selected according to the actual use.

2. The selection of ultrasonic cleaning machine power, the ultrasonic cavitation threshold is closely related to the frequency of ultrasonic waves. The selection of ultrasonic cleaning machine power is closely related to the ultrasonic cavitation threshold value and the frequency of ultrasonic waves. The higher the frequency, the higher the cavitation valve. . In other words, the lower the frequency, the easier it is to generate cavitation, and the compression and thinning of the liquid has a longer time interval at low frequencies, so that the bubbles can grow to a larger size before collapsing, increasing the cavitation intensity, Conducive to cleaning. At a frequency of about 40KHZ, under the same sound intensity, the number of cavitation bubbles generated is more than when the frequency is 20KHZ, and the penetrating power is strong. It is suitable to clean workpieces with complex surface shapes or blind holes. The chemical strength is low, and it is suitable for occasions where the bonding force between the cleaning dirt and the surface of the cleaned part is weak.​​

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3. Power calculation formula of ultrasonic cleaning machine (1) Calculated by transducer (commonly known as vibrating head), there are two types of power of transducer on the market: 50W/1PCS; 60W/PCS. The power of an ultrasonic cleaning machine: the number of transducers N*50W or N*60W. (2) It is enough to know the length and width of the cleaning tank. A vibrator is 100mm away from the vibrator. The distance is the same horizontally and vertically. The power of the vibrator is generally 50W or 60W. 600*400=240000 divided by 10000=24 vibrators 24 *50=1200W 24*60=1440W (3) The tank body is generally placed at the bottom, on the surface of 600*400mm. Generally, 24 vibrators are evenly arranged. If the pollution is heavy, the power can be appropriately increased to make it even Place 28, the total power is about 1400w, a 1500w generator is suitable. (4) If the vibrator is placed below, the power calculation of the ultrasonic cleaning machine is 60*40*0.55=1320W.​​

The ultrasonic cavitation threshold is closely related to the frequency. The higher the frequency, the higher the cavitation threshold. The lower the frequency, the lower the cavitation threshold, the easier it is to generate cavitation. Low-frequency ultrasonic cleaning is generally used on the surface of large parts or when the adhesion between dirt and the surface of the workpiece is high. High-frequency ultrasonic cleaning is suitable for cleaning some precision parts. Considering the effect of ultrasonic cleaning and economy, the frequency is generally selected at 20~130KHz.