大家在選購超聲波清洗機的時候都會注意到一個參數，那就是頻率。超聲波清洗機的頻率種類很多，那么在選擇的時候選擇哪一頻率的更好呢？不同頻率有什么區別？接下來給大家介紹一下相關知識。　　當我們看到這些參數的時候，大概率會先入為主的認為頻率越高也就也好。事實上就清洗效果而言，高頻的反而沒有低頻的清洗效果好。

When choosing an ultrasonic cleaning machine, everyone will pay attention to a parameter, which is frequency. There are many types of frequencies for ultrasonic cleaning machines, so which frequency is better to choose when choosing? What is the difference between different frequencies? Next, I will introduce relevant knowledge to everyone. When we see these parameters, we are likely to assume that the higher the frequency, the better. In fact, in terms of cleaning effect, high-frequency cleaning is not as effective as low-frequency cleaning.

　　當然是相對而言，并不是說高頻超聲波的清洗效果就不好。高頻率的應用范圍主要是清洗眼鏡、表帶、首飾等物件，適合精密清洗。而低頻的超聲波則適合大一點的、材質比較粗糙不怕損傷的物件，比如工業中的一些金屬工件等。

Of course, relatively speaking, it does not mean that the cleaning effect of high-frequency ultrasound is not good. The high-frequency application range is mainly for cleaning glasses, watch straps, jewelry and other objects, suitable for precision cleaning. Low frequency ultrasound is suitable for larger, rough materials that are not afraid of damage, such as some metal workpieces in industry.

　　低頻超聲波的空化效應更強，能量更大，清洗效果更好，但是對被清洗物的傷害也更大；

The cavitation effect of low-frequency ultrasound is stronger, with greater energy and better cleaning effect, but it also causes greater damage to the cleaned object;

　　高頻超聲波的空化效應較弱，清洗效果相對較弱，但是對物件傷害較小，適合精密的物品清洗。

The cavitation effect of high-frequency ultrasound is relatively weak, and the cleaning effect is relatively weak, but it causes less damage to objects and is suitable for precision item cleaning.

　　所以在選擇超聲波清洗機的時候，應該根據被清洗物來選擇。很多單頻的超聲波清洗機的頻率都是在40kHz左右，因為這是一個很適中的頻段，適合生產生活中的大多數情形使用。

So when choosing an ultrasonic cleaning machine, it should be based on the object being cleaned. Many single frequency ultrasonic cleaning machines have a frequency of around 40kHz, as this is a very moderate frequency band suitable for most situations in production and daily life.

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