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超聲波清洗機(jī)工作頻率的重要性

作者：admin來源：http://m.eriksarni.com/時(shí)間：2022-11-28

一般來說超聲波清洗設(shè)備，其頻率應(yīng)在20KHz-80KHz之間，頻率低噪音大，換能器的體積也偏大。下面來講講超聲波清洗機(jī)工作頻率的重要性吧。

Generally speaking, the frequency of ultrasonic cleaning equipment should be between 20KHz-80KHz. The frequency is low and the noise is high. The volume of the transducer is also large. Now let's talk about the importance of the working frequency of the ultrasonic cleaner.

當(dāng)工作頻率很低(在人的聽覺范圍內(nèi))就會(huì)產(chǎn)生噪音。當(dāng)頻率低於20kHz時(shí)，工作噪音不僅變得很大，而且可能超出職業(yè)安全與保健法或其他條例所規(guī)定的安全噪音的限度。

When the working frequency is very low (within the range of human hearing), noise will be generated. When the frequency is lower than 20kHz, the working noise not only becomes very large, but also may exceed the limit of safe noise stipulated by the Occupational Safety and Health Care Act or other regulations.

在需要高功率去除污垢而不用考慮工件表面損傷的應(yīng)用中，通常選擇從20kHz到30kHz范圍內(nèi)的較低清洗頻率。該頻率范圍內(nèi)的清洗頻率常常被用於清洗大型、重型零件或高密度材料的工件。20KHz的磁力換能器和25KHz的壓電換能器。

In applications where high power is required to remove dirt without considering the surface damage of the workpiece, a lower cleaning frequency from 20kHz to 30kHz is usually selected. The cleaning frequency within this frequency range is often used to clean large, heavy parts or workpieces made of high-density materials. 20KHz magnetic transducer and 25KHz piezoelectric transducer.

高頻通常被用於清洗較小、較好的零件，或清除微小顆粒。高頻還被用於被工件表面不允許損傷的應(yīng)用。使用高頻可從幾個(gè)方面改善清洗性能。

High frequency is usually used to clean smaller and better parts or remove small particles. High frequency is also used in applications where the surface of the workpiece is not allowed to be damaged. Using high frequency can improve cleaning performance in several ways.
超聲波清洗機(jī)

隨著頻率的增加，空化泡的數(shù)量呈線形增加，從而產(chǎn)生更多更密集的沖擊波使其能進(jìn)入到更小的縫隙中。

With the increase of frequency, the number of cavitation bubbles increases linearly, so that more and more intensive shock waves can be generated and they can enter into smaller gaps.

如果功率保持不變，空化泡變小，其釋放的能量相應(yīng)減少，這樣有效地減小了對(duì)工件表面的損傷。高頻的另一個(gè)優(yōu)勢在於減小了粘滯邊界層(泊努里效應(yīng))，使得超聲波能夠發(fā)現(xiàn)細(xì)小的微粒。這種情況近似於小溪中水位降低時(shí)可以看清溪底的小石子。

If the power remains unchanged, the cavitation bubble becomes smaller, and the released energy decreases accordingly, which effectively reduces the damage to the workpiece surface. Another advantage of high frequency is that it reduces the viscous boundary layer (Bernoulli effect), enabling ultrasound to detect small particles. This situation is similar to the small stones at the bottom of the stream when the water level in the stream drops.

超聲波清洗機(jī)工作頻率的重要性相關(guān)內(nèi)容就講解到這里了，您對(duì)此有什么咨詢的問題就來我們網(wǎng)站m.eriksarni.com看看吧！

That's all for the importance of the working frequency of the ultrasonic cleaner. If you have any questions, please visit our website m.eriksarni.com!

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