Process factors to be considered in customizing ultrasonic cleaning equipment:

1、保證產品的清潔度要求

1. Ensure product cleanliness requirements

編制超聲波清洗工藝，一定要滿足客戶對產品的清潔度和生產規模的要求，即能滿足產品的和數量指標，這是工藝設計的基本原則。

The preparation of ultrasonic cleaning process must meet the customer's requirements for product cleanliness and production scale, that is, it can meet the product and quantity indicators, which is the basic principle of process design.

2、滿足下道工序加工的要求

2. Meet the processing requirements of the next process

編制主工序的中阿清洗工藝，清洗工藝要滿足下一道工序加工的需要。例如在電鍍前必行除油清洗，否則會影響鍍層的結合力：又如金屬件、塑料件在表面噴漆前一定要進行清洗，去除油污，以保證涂層的結合力；再如在一些液晶顯示器、光學鏡片、金屬件、切削刀具的表,要真空鍍膜、化學鍍膜或者離子鍍膜，需要較高的潔凈表面，它們的前處理，一定要嚴格洗否則會影響鍍膜質量；在粘接、電子朿焊接、真空熱處理、防銹等許多工序的前處理，都要進行除油清洗，否則會影響下道工序的進行。

Prepare the Sino Arab cleaning process of the main process, and the cleaning process shall meet the processing needs of the next process. For example, degreasing and cleaning must be carried out before electroplating, otherwise the bonding force of the coating will be affected. For example, metal parts and plastic parts must be cleaned before surface painting to remove oil stains to ensure the bonding force of the coating; For example, vacuum coating, chemical coating or ion coating are required for the surface of some liquid crystal displays, optical lenses, metal parts and cutting tools, and high clean surface is required. Their pretreatment must be strictly washed, otherwise the coating quality will be affected; Degreasing and cleaning shall be carried out for the pretreatment of many processes such as bonding, electronic welding, vacuum heat treatment and rust prevention, otherwise the next process will be affected.

3、應考慮與上道工序相匹配編制主工序的中間清洗工藝,應與上道工序相匹配。

3. The intermediate cleaning process of the main process shall be prepared in consideration of matching with the previous process.

針對上道工序殘留污染質，采用相應性質的清洗介質和洗凈工藝。例如清洗焊接后的電子電路板，,上道工序用水溶性焊劑，那么清洗媒質應選用水基清洗劑。如果用的是合成類焊劑，則應選用有機溶劑類清洗，即極性污染物用極性溶劑來清洗，非極性污染物用非極性溶劑來清洗。

For the residual pollution in the previous process, the cleaning medium and cleaning process with corresponding properties are adopted. For example, when cleaning the electronic circuit board after welding, the water-soluble flux in the previous process shall be used as the cleaning medium. If synthetic flux is used, organic solvent shall be used for cleaning, that is, polar solvent shall be used for cleaning polar pollutants, and non-polar solvent shall be used for cleaning non-polar pollutants.

4、清洗工藝的安全性

4. Safety of cleaning process

編制清洗工藝，應考慮安全性，主要是毒性和燃燒的危險性。

When preparing cleaning process, safety, mainly toxicity and combustion risk, shall be considered.

①：有些有機溶劑具有一定的毒性，如HCFC225,甲醇、乙醇、異丙醇等,應注意其工形地所容許的濃度，并采取相應措施。

① : some organic solvents have certain toxicity, such as hcfc225, methanol, ethanol, isopropanol, etc. attention should be paid to the allowable concentration of the working place and corresponding measures should be taken.

②：有些有機溶劑閃點很低，易燃易爆，如碳氫溶液(碳化水素)等，也應有相應的防煙措施。

② : some organic solvents have very low flash point and are flammable and explosive, such as hydrocarbon solution (carbonated water element), and corresponding smoke prevention measures shall also be taken.

5、考慮與產品結構材料的相溶性編制清洗工藝

5. Considering the compatibility with product structural materials, the cleaning process is prepared

考慮清洗液與產品結構材料的相溶性,以免在洗凈過程中對產品造成傷害。

The compatibility between the cleaning liquid and the structural materials of the product shall be considered to avoid damage to the product during the cleaning process.

①：有些工件材料是單一的，如金屬零件的清洗，要防止洗凈過程中受到腐蝕、氧化生又如塑料零件清洗，要防止洗凈過程中受到溶脹、溶解、產生變形、脆化開裂等。

① : some workpiece materials are single. For example, when cleaning metal parts, it is necessary to prevent corrosion and oxidation during cleaning. For example, when cleaning plastic parts, it is necessary to prevent swelling, dissolution, deformation, embrittlement and cracking during cleaning.

②：有些工件是不同材料的組裝件，要充分考慮清洗工藝對不同材料的相溶性。例如電子線路板上既有金屬件、電子元件，又有塑料件橡膠、導線、涂層等，洗凈過程中既要把污染物掉洗凈，又不能使結構材料受到損傷，連元器件上的規格、標記、符號都不能洗掉，所以在編清洗工藝時要周密考慮。

② : some workpieces are assemblies of different materials, and the compatibility of cleaning process with different materials should be fully considered. For example, there are both metal parts and electronic components, as well as plastic parts (rubber, wires, coatings, etc.) on the electronic circuit board. During the cleaning process, the pollutants shall be removed and cleaned, and the structural materials shall not be damaged. The specifications, marks and symbols on the components shall not be removed. Therefore, careful consideration shall be taken when compiling the cleaning process.

6、清洗工藝的環保性

6. Environmental protection of cleaning process

編制清洗工藝，盡量減少三廢排放量，有完善的三廢治理措施，減少或消除對環境的污染并做好三廢的回收和綜合利用。

The cleaning process shall be prepared to minimize the discharge of "three wastes", and there shall be perfect "three wastes" treatment measures to reduce or eliminate the pollution to the environment and do a good job in the recovery and comprehensive utilization of "three wastes".

7、清洗工藝與生產規模相匹配

7. The cleaning process matches the production scale

不同的生產規模，所用的洗凈工藝也不盡相同。單件、小批量生產時，在清洗時間上可以長些,而大批量生產時，要考慮生產節拍，連續自動式或者流水線通過式清洗效率較高，可浸泡、粗洗，半精洗,精洗分級清洗，以達到目標質量要求為主。

The cleaning process used is different for different production scales. In the case of single piece and small batch production, the cleaning time can be longer, while in the case of large batch production, the production cycle should be considered. The continuous automatic or line passing cleaning efficiency is higher. It can be soaked, rough washed, semi fine washed, and fine washed and graded cleaned to achieve the target quality requirements.

除此以外清洗工藝要考慮經濟性，要進行綜合評估,不僅要達到規定的潔凈度而且還要考慮投資比較低、使用成本低、設備適應對象多、使用壽命長、操作簡單方便等。

In addition, the cleaning process should consider the economy and conduct comprehensive evaluation. It should not only achieve the specified cleanliness, but also consider the low investment, low use cost, many equipment adaptation objects, long service life, simple and convenient operation, etc.

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