Ultra precision cleaning includes the ultra precision cleaning of mechanical parts, electronic components, optical components, etc. in precision industrial production processes, with the aim of removing extremely small dirt particles.

超聲波清洗機(jī)根據(jù)清洗方法的不同，也可以分為物理清洗和化學(xué)清洗：利用力學(xué)、聲學(xué)、光學(xué)，電學(xué)、熱學(xué)的原理，依靠外來(lái)能量的作用，如機(jī)械摩擦、超聲波、負(fù)壓、高壓.)中擊。紫外線、蒸汽等去除物體表面污垢的方法叫物理清洗;依靠化學(xué)反應(yīng)的作用，利用化學(xué)藥品或其它溶劑去除物體表面污垢的方法叫化學(xué)清洗.如用各種無(wú)機(jī)或有機(jī)酸去除物體表面的銹跡、水垢，用氧化劑去除物體表面的色斑。消毒劑殺滅微生物并去除霉斑等.物理清洗和化學(xué)清洗都存在著各自的優(yōu)缺點(diǎn)，又具有很好的互補(bǔ)性。在實(shí)際應(yīng)用過(guò)程中，通常都是把兩者結(jié)合起來(lái)使用，以獲得較好的清洗效果。

Ultrasonic cleaning machines can also be divided into physical cleaning and chemical cleaning according to different cleaning methods: using the principles of mechanics, acoustics, optics, electricity, and heat, relying on the action of external energy, such as mechanical friction, ultrasound, negative pressure, and high pressure Hit. The methods of removing surface dirt such as ultraviolet radiation and steam are called physical cleaning; The method of using chemicals or other solvents to remove dirt on the surface of an object through the action of chemical reactions is called chemical cleaning. For example, using various inorganic or organic acids to remove rust and scale on the surface of the object, and using oxidants to remove color spots on the surface of the object. Disinfectants kill microorganisms and remove mold spots. Both physical and chemical cleaning have their own advantages and disadvantages, and they also have good complementarity. In practical applications, the two are usually combined to achieve better cleaning results.

根據(jù)清洗媒介的不同，又可以分為濕式清洗和干式清洗：一般將在液體介質(zhì)中進(jìn)行的清洗稱(chēng)為濕式清洗，在氣體介質(zhì)中進(jìn)行的清洗稱(chēng)為干式清洗.傳統(tǒng)的清洗方式大多為濕式清洗，而人們比較容易理解的干式清洗也就是吸塵器.但近年來(lái)，干式清洗發(fā)展迅速.如激光清洗.紫外線清洗，等離子清洗、干冰清洗等，在高。精，尖工業(yè)技術(shù)領(lǐng)域得到快速發(fā)展

According to the different cleaning media, it can be divided into wet cleaning and dry cleaning: generally, cleaning carried out in liquid media is called wet cleaning, and cleaning carried out in gas media is called dry cleaning. Traditional cleaning methods are mostly wet cleaning, while dry cleaning, which is more easily understood by people, is vacuum cleaners. However, in recent years, dry cleaning has developed rapidly, such as laser cleaning, ultraviolet cleaning, plasma cleaning Dry ice cleaning, etc., at high temperatures. Rapid development in the field of precision and cutting-edge industrial technology

超聲波在液體中傳播，使液體與清洗槽在超聲波頻率下一起振動(dòng)，液體與清洗槽振動(dòng)時(shí)有自己固有頻率，這種振動(dòng)頻率是聲波頻率，所以人們就聽(tīng)到嗡嗡聲。隨著清洗行業(yè)的不斷發(fā)展，越來(lái)越多的行業(yè)和企業(yè)運(yùn)用到了超聲波清洗機(jī)。

Ultrasonic waves propagate in the liquid, causing the liquid and cleaning tank to vibrate together at the ultrasonic frequency. When the liquid and cleaning tank vibrate, they have their own inherent frequency, which is the frequency of sound waves, so people hear buzzing sounds. With the continuous development of the cleaning industry, more and more industries and enterprises are using ultrasonic cleaning machines.

對(duì)超聲波清洗機(jī)原理由超聲波發(fā)生器發(fā)出的高頻振蕩信號(hào)，通過(guò)換能器轉(zhuǎn)換成高頻機(jī)械振蕩而傳播到介質(zhì)--清洗溶劑中，超聲波在清洗液中疏密相間的向前輻射，使液體流動(dòng)而產(chǎn)生數(shù)以萬(wàn)計(jì)的直徑為50-500μm的微小氣泡，存在于液體中的微小氣泡在聲場(chǎng)的作用下振動(dòng)。這些氣泡在超聲波縱向傳播的負(fù)壓區(qū)形成、生長(zhǎng)，而在正壓區(qū)，當(dāng)聲壓達(dá)到聲壓值時(shí)，氣泡迅速增大，然后突然閉合。并在氣泡閉合時(shí)產(chǎn)生沖擊波，在其周?chē)a(chǎn)生上千個(gè)大氣壓，破壞不溶性污物而使他們分散于清洗液中，當(dāng)團(tuán)體粒子被油污裹著而黏附在清洗件表面時(shí)，油被乳化，固體粒子及脫離，從而達(dá)到清洗件凈化的目的。在這種被稱(chēng)之為“空化”效應(yīng)的過(guò)程中，氣泡閉合可形成幾百度的高溫和超過(guò)1000個(gè)氣壓的瞬間高壓。

The principle of ultrasonic cleaning machine is that the high-frequency oscillation signal emitted by the ultrasonic generator is converted into high-frequency mechanical oscillation through a transducer and propagated to the medium - cleaning solvent. Ultrasonic waves radiate forward in the cleaning solution, causing the liquid to flow and producing tens of thousands of straight diameters ranging from 50 to 500 μ The tiny bubbles of m exist in liquid and vibrate under the action of sound field. These bubbles form and grow in the negative pressure zone where ultrasonic waves propagate longitudinally, while in the positive pressure zone, when the sound pressure reaches the sound pressure value, the bubbles rapidly increase and then suddenly close. And when the bubble closes, a shock wave is generated, generating thousands of atmospheres around it, damaging insoluble pollutants and dispersing them in the cleaning solution. When group particles are wrapped in oil and adhere to the surface of the cleaning part, the oil is emulsified, solid particles are separated, and the cleaning part is purified. In this process known as the "cavitation" effect, the closure of bubbles can form high temperatures of several hundred degrees Celsius and instantaneous high pressures exceeding 1000 atmospheric pressures.

超聲波清洗機(jī)的優(yōu)點(diǎn)是：超聲波清洗效果好，操作簡(jiǎn)單。人們所聽(tīng)到的聲音是頻率20-20000Hz的聲波信號(hào)，高于20000Hz的聲波稱(chēng)之為超聲波，聲波的傳遞依照正弦曲線縱向傳播，產(chǎn)生大量小氣泡。一個(gè)原因是液體內(nèi)局部出現(xiàn)拉應(yīng)力而形成負(fù)壓，壓強(qiáng)的降低使原來(lái)溶于液體的氣體過(guò)飽和，而從液體逸出，成為小氣泡;另一原因是強(qiáng)大的拉應(yīng)力把液體“撕開(kāi)”成一空洞，稱(chēng)為空化。

The advantages of ultrasonic cleaning machine are: good cleaning effect and simple operation. The sound that people hear is a sound wave signal with a frequency of 20-20000Hz, and sound waves above 20000Hz are called ultrasonic waves. The transmission of sound waves propagates longitudinally along a sinusoidal curve, producing a large number of small bubbles. One reason is that tensile stress occurs locally within the liquid, resulting in negative pressure. The decrease in pressure causes the gas that was originally dissolved in the liquid to supersaturate and escape from the liquid, becoming small bubbles; Another reason is that the strong tensile stress "tears" the liquid into a cavity, known as cavitation.

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