When selecting an ultrasonic cleaner, it is usually the output power. Generally speaking, the actual effect of ultrasonic cleaning is not necessarily proportional to the output power multiplied by the cleaning time.

如果選用的超聲波清洗機輸出功率比較小，即使是長時間使用，也不會完全消除污漬，如果選擇的輸出功率較大，雖然可以在短的時間內(nèi)快速去除污漬，但也會給被清洗的對象造成一定的損失。所以選擇超聲波清洗機，一定要選擇合適的輸出功率。

If the output power of the selected ultrasonic cleaner is relatively small, even if it is used for a long time, it will not completely eliminate the stains. If the output power is large, although it can quickly remove the stains in a short time, it will also cause certain losses to the cleaned objects. Therefore, the appropriate output power must be selected when selecting ultrasonic cleaning machine.

當(dāng)輸出功率過大時，清洗缸底部的振動板空化比較嚴重，而且水點腐蝕也會擴大，如果選擇三氯乙烯等溶劑，可能問題不大，但如果選擇的是水或水溶性清洗液，那么它就會遭受水點侵蝕。

When the output power is too large, the cavitation of the vibrating plate at the bottom of the cleaning cylinder is relatively serious, and the water spot corrosion will also expand. If trichloroethylene and other solvents are selected, it may not be a problem, but if water or water-soluble cleaning fluid is selected, it will suffer from water spot corrosion.

總之，在選擇超聲波清洗機時，需要選擇和匹配輸出功率，這樣才能保證清洗效果。

In a word, when selecting an ultrasonic cleaner, it is necessary to select and match the output power to ensure the cleaning effect.

超聲波清洗機一直以來清洗效果顯著，操作方便受到大家的青睞。但你可能剛剛聽說過這個設(shè)備，它是如何工作的，它是如何工作的，沒有任何意義。那么下面小編就為大家介紹一下這款超聲波清洗機的功率和頻率是如何選擇的，一起來看看吧。

Ultrasonic cleaning machine has been cleaning effect is remarkable, easy to operate by everyone's favor. But you may have just heard about this device, how it works, and how it works. It doesn't make any sense. Then, let's introduce how to choose the power and frequency of this ultrasonic cleaner. Let's have a look.

超聲波清洗機

Ultrasonic cleaning machine

1當(dāng)功率過大時

1 When the power is too high

超聲清洗機功率較大時，聲強加大，空化泡半徑和起始半徑加大，空化強度增強。即聲強越高，空化越強，有利于清洗。但不是功率越大，清洗效果越好，而是正確合理地選擇超聲波功率。

When the power of ultrasonic cleaner is large, the sound intensity increases, the cavitation bubble radius and initial radius increase, and the cavitation intensity increases. That is, the higher the sound intensity, the stronger the cavitation, which is conducive to cleaning. But it is not that the higher the power is, the better the cleaning effect is, but that the ultrasonic power is selected correctly and reasonably.

2小功率偏差

2 Small power deviation

聲功率越高，空化效應(yīng)越明顯，產(chǎn)生大量無用氣泡，增大衍射衰減，形成聲屏障。同時，聲強越高，非線性衰減越大，這將影響被清洗部件遠離聲源的清洗效果。另外，清洗振動板的空化腐蝕更為嚴重，導(dǎo)致設(shè)備壽命縮短。如果超聲波清洗功率太小，會影響工件的清洗時間，清洗時間會更長，或者會偏離清洗效果。

The higher the sound power is, the more obvious the cavitation effect is, which generates a large number of useless bubbles, increases the diffraction attenuation, and forms a sound barrier. At the same time, the higher the sound intensity, the greater the nonlinear attenuation, which will affect the cleaning effect of the cleaned parts away from the sound source. In addition, the cavitation corrosion of the cleaning vibration plate is more serious, resulting in shortened equipment life. If the ultrasonic cleaning power is too small, the cleaning time of the workpiece will be affected, and the cleaning time will be longer, or it will deviate from the cleaning effect.

3功率選擇

3 Power selection

此，我們在選擇超聲波清洗設(shè)備時，一般工件高度都在30cm以下，那么選用的超聲波清洗設(shè)備在槽高約40cm左右，選擇底部單個振動板，功率保持在每平方厘米0.3~0.5w。如果工件太大，或者每次清洗量太大，我們選擇的水箱高度在40cm以上，一般按功率上升計算，一般選擇11W/L。

Therefore, when we select ultrasonic cleaning equipment, the height of the workpiece is generally below 30cm, so the selected ultrasonic cleaning equipment is about 40cm high, and a single vibrating plate is selected at the bottom, with the power maintained at 0.3~0.5w per square centimeter. If the workpiece is too large or the amount of cleaning is too large each time, the water tank height we choose is more than 40cm, which is generally calculated according to the power rise, generally 11W/L.

1高頻和低頻的影響

1 Effects of high frequency and low frequency

超聲空化閾值與頻率密切相關(guān)。頻率越高，空化閾值越高。頻率越低，汽蝕閾值越低，汽蝕發(fā)生的可能性就越大。在低頻下，液體在較長的時間間隔內(nèi)受到壓縮和稀薄。使氣泡能長大到更大的尺寸，增強空化強度，有利于清洗。因此，低頻超聲波清洗一般用于大型零件表面或污垢與工件表面粘附性高的情況。但容易損壞和腐蝕工件表面。所以工件表面要求較高的零件不宜選用較低的頻率。頻率低，產(chǎn)生的噪聲也相應(yīng)大。

Ultrasonic cavitation threshold is closely related to frequency. The higher the frequency, the higher the cavitation threshold. The lower the frequency, the lower the cavitation threshold, and the greater the possibility of cavitation. At low frequencies, the liquid is compressed and thinned over a long time interval. The bubble can grow to a larger size, enhance the cavitation strength, and facilitate cleaning. Therefore, low-frequency ultrasonic cleaning is generally used on the surface of large parts or in the case of high adhesion between dirt and workpiece surface. But it is easy to damage and corrode the workpiece surface. Therefore, lower frequency should not be used for parts with higher surface requirements. The frequency is low, and the noise generated is correspondingly large.

2根據(jù)不同情況選擇頻率

2 Select frequency according to different conditions

高頻超聲波穿透性強，適用于對表面光潔度要求高或表面復(fù)雜、盲孔較多的部件進行清洗。另一方面，高頻超聲波噪聲也小，適用于清洗一些精密零件，如一些電子零件、小軸承加工、磁性材料等。而對于一些特殊的工件，如IC芯片，硅片的鍍清則選擇頻率較高的超聲波清洗為宜。對于一些大型工件，如汽車發(fā)動機、閥門等大型工件應(yīng)選用低頻超聲波清洗。另一方面，考慮到超聲波清洗的效果和經(jīng)濟性，頻率一般選擇在20～130KHz之間。具體的選擇頻率應(yīng)通過相應(yīng)的實驗確定。

High frequency ultrasonic has strong penetrability, and is suitable for cleaning parts with high surface finish requirements or complex surfaces and many blind holes. On the other hand, high-frequency ultrasonic noise is also small, which is suitable for cleaning some precision parts, such as some electronic parts, small bearing processing, magnetic materials, etc. For some special workpieces, such as IC chips, it is better to choose ultrasonic cleaning with higher frequency for the cleaning of silicon wafers. For some large workpieces, such as automobile engines, valves and other large workpieces, low-frequency ultrasonic cleaning should be used. On the other hand, considering the effect and economy of ultrasonic cleaning, the frequency is generally selected between 20~130KHz. The specific selection frequency shall be determined through corresponding experiments.

超聲波清洗機

Ultrasonic cleaning machine

以上是超聲波清洗機的功率和頻率的一些選擇，希望能對您有所幫助。超聲波清洗機應(yīng)用于很多領(lǐng)域，效果還是非常顯著的，為了保持這種效果，我們應(yīng)該對機器進行日常維護，對故障及時修復(fù)，保證清洗機的工作性能。

The above are some choices of the power and frequency of the ultrasonic cleaner, and I hope they can help you. Ultrasonic cleaning machine is used in many fields, and the effect is still very significant. In order to maintain this effect, we should carry out daily maintenance on the machine, repair faults in time, and ensure the working performance of the cleaning machine.

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