Surface treatment is an integral part of the light industry, including electroplating of mechanical parts, coating of metal and non-metal chassis and cabinets, coating of optical glass or lens, etc. the product cleaning of electroplating process has high requirements for the surface cleanliness of workpieces. Ultrasonic cleaning technology has become a new electroplating cleaning process demand and an ideal technology to meet the process requirements.

超聲波清洗電鍍前處理的應用，主要利用（yòng）超聲波在液體中產生（shēng）的空化效（xiào）應（yīng），可以清洗掉工件表麵沾附的油汙，配合適當的清洗（xǐ）劑，可（kě）以迅速（sù）地對工件（jiàn）表麵實現高清潔度的處理。另外，利用超聲波清洗技（jì）術，還可以在很大的範圍（wéi）內替代強酸、強（qiáng）堿的作用，大（dà）大減少對環境（jìng）的汙染，並改善（shàn）工人的勞動環境，降低勞動強度，對保護生態環境，作出貢（gòng）獻。

The application of ultrasonic cleaning electroplating pretreatment mainly uses the cavitation effect produced by ultrasonic in liquid to clean the oil stain on the workpiece surface. With appropriate cleaning agent, it can quickly realize high-definition cleanliness treatment on the workpiece surface. In addition, the use of ultrasonic cleaning technology can also replace the role of strong acid and alkali in a large range, greatly reduce the pollution to the environment, improve the working environment of workers, reduce labor intensity, and contribute to the protection of the ecological environment.

超聲波（bō）清洗工藝情況簡單介紹：

Brief introduction to ultrasonic cleaning process:

1.拋光件（jiàn）表麵拋光膏的清洗

1. Cleaning of polishing paste on the surface of polishing parts

一般情況下，拋光膏常常采用石蠟調和，石蠟分子量大，熔（róng）點較高，常溫下呈固態，是較難清洗的物質，傳統的辦法是（shì）采用有機溶（róng）劑清洗或高溫堿水煮洗。采用超聲波清洗則（zé）可使用水基清洗劑（jì），在（zài）中溫條（tiáo）件下（xià），幾分鍾內將工件表麵（miàn）徹（chè）底清洗幹淨，常用工藝流程是 ：① 浸泡一②超聲波清洗一③清水(淨水)漂洗。

In general, polishing paste is often mixed with paraffin. Paraffin has large molecular weight, high melting point and is solid at room temperature. It is a difficult substance to clean. The traditional method is to clean with organic solvent or boil with high-temperature alkali water. If ultrasonic cleaning is adopted, water-based cleaning agent can be used. Under medium temperature conditions, the workpiece surface can be completely cleaned within a few minutes. The common process flow is: ① soaking - ② ultrasonic cleaning - ③ rinsing with clean water (purified water).

2.表麵有油及少（shǎo）量鏽的冷軋鋼板

2. Cold rolled steel plate with oil and a small amount of rust on the surface

冷軋鋼板表麵一般（bān）有油、汙或少量鐵鏽，要洗幹淨比較容易，但（dàn）經一般方法清洗後，工件表麵仍殘留一層非常細薄（báo）的浮灰，影響後續加工質量，有時（shí）不得不再采用強酸浸泡（pào）的辦法去除（chú）這層（céng）浮灰。而采用超（chāo）聲波清洗並（bìng）加入適當的清洗液（yè），可方便快捷地實現工件表麵徹底清潔，並使工件表麵具有較高的活性，有時甚至可以免去（qù）電鍍前酸浸（jìn）活化（huà）工序。

The surface of cold-rolled steel plate generally has oil, dirt or a small amount of rust, which is easy to clean. However, after general cleaning, there is still a very thin layer of floating ash on the workpiece surface, which affects the subsequent processing quality. Sometimes, the method of strong acid immersion has to be used to remove this layer of floating ash. Using ultrasonic cleaning and adding appropriate cleaning solution can easily and quickly realize the thorough cleaning of the workpiece surface, and make the workpiece surface have high activity. Sometimes, it can even avoid the acid leaching process before electroplating.

3.表麵（miàn）有氧（yǎng）化皮和黃鏽的工件

3. Workpieces with oxide scale and yellow rust on the surface

傳（chuán）統的辦法是采用鹽酸或硫酸浸泡清洗。如采用超聲波綜合處理（lǐ）技術，可以快捷地（dì）在幾分鍾內同時去除工件表麵的油、鏽 ，並避免了因（yīn）強酸清洗伴隨產生的氫（qīng）脆（cuì）問題。

The traditional method is to soak and clean with hydrochloric acid or sulfuric acid. If the ultrasonic comprehensive treatment technology is adopted, the oil and rust on the workpiece surface can be removed quickly and simultaneously in a few minutes, and the problem of hydrogen embrittlement caused by strong acid cleaning can be avoided.

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