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常見問題

超聲波清洗機的高頻與低頻的區別在于什么？

作者：admin來源：http://www.dijiushangdian.cn/時間：2021-03-15

隨著生活水平的不斷提高，超聲波清洗機的使用頻率越來越來多，那如何選擇一臺好的超聲波清洗機，給人們帶來很多的麻煩，不知從哪些方面著手，特別是外行人。

With the continuous improvement of living standards, more and more ultrasonic cleaning machines are used. How to choose a good ultrasonic cleaning machine brings people a lot of trouble. I don't know what to start from, especially the layman.

超聲波清洗機有兩種方式進行清洗工作，是低頻清洗，另是高頻清洗，這兩種不同的清洗方法針對的是工件，清洗的程度不同。低頻清洗和高頻清洗有什么特點？

Ultrasonic cleaning machine has two ways of cleaning, low frequency cleaning and high frequency cleaning. These two different cleaning methods are aimed at the workpiece, and the degree of cleaning is different. What are the characteristics of low frequency cleaning and high frequency cleaning?

1. 低頻清洗

1. Low frequency cleaning

低頻清洗超聲波清洗機適用于大型、重型零件，或一些高密度材料，其頻率會很低，不會對工件表面造成任何損傷。

Low frequency cleaning ultrasonic cleaning machine is suitable for large, heavy parts, or some high-density materials, its frequency will be very low, will not cause any damage to the surface of the workpiece.

所以低頻超聲波清洗機合用于大部件表面或者污物和清洗件表面結合度高的場合。但易侵蝕清洗件表面，不相宜清洗表面光潔度高的部件，而且空化噪音大。４０ＫＨＺ左右的頻率，在相同聲強下，產生的化泡數目比頻率為２０ＫＨＺ時多，穿透力較強，宜清洗表面外形復雜或有盲孔的工件，空化噪音較小，但空化強度較低，適合清洗污物與被清洗件表面結協力較弱的場合。

Therefore, low frequency ultrasonic cleaning machine is suitable for large parts surface or high combination of dirt and cleaning parts surface. But it is easy to erode the surface of the cleaning parts, so it is not suitable to clean the parts with high surface finish, and the cavitation noise is large. When the frequency is about 40KHz, under the same sound intensity, the number of bubbles generated is more than that of 20kHz, and the penetration is strong. It is suitable to clean the workpiece with complex surface shape or blind hole. The cavitation noise is small, but the cavitation intensity is low. It is suitable for the occasions where the cleaning dirt and the surface of the cleaned part have weak cooperation.

2. 高頻清洗

2. High frequency cleaning

高頻清洗的特點是在功率不變的情況下，使空化泡變小，使釋放的能量相對減少。因此，可以減少粘性邊界層，減少工件表面損傷。

The characteristic of high frequency cleaning is that the cavitation bubble becomes smaller and the released energy is relatively reduced under the condition of constant power. Therefore, the viscous boundary layer can be reduced and the surface damage of the workpiece can be reduced.

適用于計算機，微電子元件的精細清洗；兆赫超聲清洗合用于集成電路芯、硅片及波薄膜的清洗，能去除微米、亞微米級的污物而對清洗件沒有任何損傷。因此從清洗效果及經濟性考慮，頻率一般選擇在２０—１３０ＫＨＺ范圍，當然準確選擇頻率至關重要需要做一定的實驗取得

It is suitable for the fine cleaning of computer and microelectronic components; megahertz ultrasonic cleaning is suitable for the cleaning of integrated circuit core, silicon wafer and wave film, which can remove micron and submicron scale dirt without any damage to the cleaning parts. Therefore, from the cleaning effect and economic considerations, the frequency is generally selected in the range of 20-130khz. Of course, the accurate selection of frequency is very important, and it needs to do some experiments

對于超聲波清洗機來說，低頻清洗和高頻清洗是其有效的清洗方法。只是不同的工作有不同的選擇。另外，需要注意的是，當低頻低到一定程度時，可能會產生較大的噪聲。

For ultrasonic cleaning machine, low frequency cleaning and high frequency cleaning are effective cleaning methods. It's just that different jobs have different choices. In addition, it should be noted that when the low frequency is low to a certain extent, large noise may be generated.

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