When a watch is worn for a long time, it will accumulate a lot of dirt: mainly including sweat, dead skin, fat on hair and skin, but also dust and other types of dirt. When a watch gets dirty, it loses its original luster. It's not only unsanitary. It also accelerates the aging process, especially on metal watchbands. Salt scale can cause rust and tarnish. Quartz sａnd in dust can also cause premature wear of the watch chain. It works like sandpaper and increases the friction between the link and other moving parts. In this way, regular cleaning of the watch is very important, which can not only maintain the luster of the watch, but also keep the watch in good condition for as long as possible, greatly reducing aging and wear.

如果沒有其他問題，請先用純凈水清洗手表，或者先用刷子刷洗。這將清除污垢并防止堆積。然而，使用這種方法，很難清除手表的所有污垢。因此，清洗手表的方法是使用超聲波清洗機，這是清洗手表的最終方法，手表制造商、珠寶商和人們也使用超聲波清洗機。強超聲波在液體中傳播時,由于非線性作用,會產生聲空化。在空化氣泡突然閉合時發出的沖擊波可在其周圍產生上千個大氣壓力,對污層的直接反復沖擊,一方面破壞污物與清洗件表面的吸附,另一方面也會引起污物層的破壞而脫離清洗件表面并使它們分散到清洗液中。

If there are no other problems, please clean the watch with purified water or brush it first. This will remove dirt and prevent accumulation. However, using this method, it is difficult to remove all the dirt from the watch. Therefore, the method of cleaning watches is to use ultrasonic cleaning machine, which is the final method of cleaning watches. Watch manufacturers, jewelers and people also use ultrasonic cleaning machine. When strong ultrasonic wave propagates in liquid, acoustic cavitation will occur due to nonlinear effect. The shock wave generated when the cavitation bubble is suddenly closed can generate thousands of atmospheric pressures around it. The direct and repeated impact on the dirt layer will destroy the adsorption between the dirt and the surface of the cleaning part on the one hand, and cause the damage of the dirt layer to separate from the surface of the cleaning part and disperse them into the cleaning solution on the other hand.

超聲波清洗手表表面時，應遵守以下規則：

When ultrasonic cleaning the watch surface, the following rules shall be observed:

1.請勿將表頭放入清洗槽

1. Do not put the meter into the cleaning tank

直接將表頭放入超聲波機會損壞：首先，振動會推動氣泡通過密封件和墊圈，其次，振動頻率可能會干擾游絲的頻率。現在購買的超聲波清洗機配備了一個特殊的手表支架，它可以保持頭部在水面上，并將表鏈掛在下面的清洗槽中。有很多小伙伴沒有注意到這一點。機芯受損，不得不支付高昂的維護費。

Putting the meter directly into the ultrasonic will cause damage: firstly, the vibration will push the bubbles through the seals and gaskets, and secondly, the vibration frequency may interfere with the frequency of the hairspring. The ultrasonic cleaning machine purchased now is equipped with a special watch bracket, which can keep the head on the water and hang the watch chain in the cleaning tank below. Many little friends didn't notice this. The movement was damaged and had to pay high maintenance fees.

2.自己購買的家用超聲波清洗機不適合清洗機芯。

2. The household ultrasonic cleaning machine purchased by yourself is not suitable for cleaning the movement.

家用超聲波清洗機洗洗手表的表帶及外觀表面還可以。對于機芯部件，建議拿到專業維護機構。它們都有頻率和強度可調的專用超聲波清洗機，以及專用清洗液。將機件拆卸并堆放在單獨的籃子中，通過特定程序清潔后，應通過一層工業，然后在干燥箱中干燥。這些都不能在家里完成的。

The appearance of the watch bａnd can also be cleaned by ultrasonic washing machine. For movement parts, it is recommended to get professional maintenance organization. They all have special ultrasonic cleaning machines with adjustable frequency and intensity, as well as special cleaning fluids. The parts shall be disassembled and stacked in a separate basket. After cleaning through specific procedures, they shall be passed through a layer of industrial anhydrous alcohol and then dried in a drying oven. None of this can be done at home.

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