很多人第一次用超聲波清洗機(jī)，都會好奇：扔進(jìn)去的眼鏡、五金件，沒見明顯刷洗，拿出來就锃光瓦亮——這是魔術(shù)還是物理？

Many people are curious when they use an ultrasonic cleaning machine for the first time: the glasses and hardware thrown in, without any cleaning, shine brightly when taken out - is this magic or physics?

答案是“空化效應(yīng)”，一種每秒發(fā)生數(shù)萬次的微觀爆破。

The answer is' cavitation effect ', a microscopic explosion that occurs tens of thousands of times per second.

超聲波清洗機(jī)的核心由三部分組成：超聲波發(fā)生器負(fù)責(zé)產(chǎn)生高頻電信號，換能器（通常是壓電陶瓷）將電信號轉(zhuǎn)化為高頻機(jī)械振動，非常后通過清洗槽將振動傳遞到液體中。當(dāng)超聲波（頻率通常在20-60kHz）在液體中傳播時，會產(chǎn)生疏密波——負(fù)壓區(qū)形成真空微氣泡，正壓區(qū)氣泡被瞬間壓爆。

The core of an ultrasonic cleaning machine consists of three parts: the ultrasonic generator is responsible for generating high-frequency electrical signals, the transducer (usually a piezoelectric ceramic) converts the electrical signals into high-frequency mechanical vibrations, and finally transmits the vibrations to the liquid through the cleaning tank. When ultrasound waves (usually with a frequency of 20-60kHz) propagate in liquid, they generate a dense wave - vacuum microbubbles are formed in the negative pressure zone, and the bubbles in the positive pressure zone are instantly compressed and burst.

這個壓爆瞬間有多猛？局部溫度可達(dá)約5000℃，壓力超過1000個大氣壓，沖擊波以400km/h的速度沖向工件表面。污垢就在這種持續(xù)不斷的“微觀爆炸”中被剝離、乳化、粉碎。

How intense is this explosive moment? The local temperature can reach about 5000 ℃, the pressure exceeds 1000 atmospheres, and the shock wave rushes towards the surface of the workpiece at a speed of 400km/h. Dirt is stripped, emulsified, and crushed in this continuous' micro explosion '.

頻率怎么選？記住口訣：去重污用低頻，保精密用高頻。

How to choose the frequency? Remember the mnemonic: use low frequency to remove heavy pollution and high frequency to maintain precision.

低頻（20-28kHz）：氣泡大、沖擊力強(qiáng)，適合去除金屬零件的積碳、鐵銹等頑固污垢。

Low frequency (20-28kHz): Large bubbles and strong impact force, suitable for removing stubborn dirt such as carbon deposits and rust on metal parts.

中頻（40kHz左右）：氣泡小而密集，適合電子元件、珠寶首飾。

Mid frequency (around 40kHz): Small and dense bubbles, suitable for electronic components and jewelry.

高頻（60-200kHz）：方向集中、沖擊柔和，適用于半導(dǎo)體芯片、光學(xué)鏡片等零損傷要求的精密件。

High frequency (60-200kHz): with concentrated direction and gentle impact, suitable for precision parts such as semiconductor chips and optical lenses that require zero damage.

溫度也有講究。 超聲波在30℃-40℃時“空化效果”非常佳，配合清洗劑時40℃-50℃更能提升去污效率。這就是為什么工業(yè)超聲波清洗機(jī)大多配備加熱功能。

Temperature is also important. Ultrasonic waves have the best cavitation effect at 30 ℃ -40 ℃, and when combined with cleaning agents at 40 ℃ -50 ℃, they can improve the efficiency of cleaning. That's why most industrial ultrasonic cleaning machines are equipped with heating function.

日常維護(hù)記住三點(diǎn)：定期換液、清洗槽體、檢查換能器。別讓過濾器堵塞或換能器表面結(jié)垢，否則超聲功率大打折扣。

Remember three points for daily maintenance: regularly changing the fluid, cleaning the tank, and checking the transducer. Do not let the filter clog or the transducer surface scale, otherwise the ultrasonic power will be greatly reduced.

本文由超聲波清洗機(jī)友情奉獻(xiàn).更多有關(guān)的知識請點(diǎn)擊:http://www.yuehaihotel.com.cn真誠的態(tài)度.為您提供為多維度的服務(wù).更多有關(guān)的知識我們將會陸續(xù)向大家奉獻(xiàn).敬請期待.

This article is a friendly contribution from an ultrasonic cleaning machine For more information, please click: http://www.yuehaihotel.com.cn Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.