一、频率的选择

　　1、 Frequency selection

　　全自动超声波清洗机的超声波清洗频率范围为28kHz至120kHz，当使用水或水清洗剂时，空化引起的物理清洗力明显有利于低频，一般在28-40kHz左右。对于间隙小、狭缝和深孔清洁的零件，使用高频，甚至数百kHz。清洁时钟部件时，使用400kHz。如果采用宽带调频清洗，效果更好。

　　The ultrasonic cleaning frequency range of the fully automatic ultrasonic cleaning machine is from 28kHz to 120kHz. When using water or water cleaning agents, the physical cleaning force caused by cavitation is significantly favorable for low frequencies, generally around 28-40kHz. For parts with small gaps, narrow slits, and deep hole cleaning, use high frequencies, even hundreds of kHz. When cleaning clock components, use 400kHz. If broadband frequency modulation cleaning is used, the effect will be better.

　　二、权力选择

　　2、 Power selection

　　全自动超声波清洗机的超声波清洗效果不一定与功率×清洗时间成正比，有时功率小，清洗时间长。如果功率达到一定值，污垢有时会很快清除。如果选择的功率过大，空化强度会大大增加，清洗效果会得到改善，但随后使更精密的零件也产生冲蚀点，弊大于利，而清洗气缸底部的振动板在空化严重时，水点腐蚀也会增加，在使用三氯乙烯等有机溶剂时，基本上没有问题，但使用水或水溶性清洗液，易受水腐蚀，如果振动板表面有疤痕，强功率下的水下空化腐蚀更为严重，因此，应根据实际使用情况选择超声功率。

　　The ultrasonic cleaning effect of a fully automatic ultrasonic cleaning machine is not necessarily proportional to the power multiplied by the cleaning time. Sometimes, the power is small and the cleaning time is long. If the power reaches a certain value, dirt can sometimes be quickly removed. If the selected power is too high, the cavitation intensity will be greatly increased, and the cleaning effect will be improved. However, it will also cause erosion points on more precise parts, which is more harmful than beneficial. When cleaning the vibration plate at the bottom of the cylinder, water point corrosion will also increase when cavitation is severe. When using organic solvents such as trichloroethylene, there is basically no problem, but when using water or water-soluble cleaning solutions, it is susceptible to water corrosion. If there are scars on the surface of the vibration plate, underwater cavitation corrosion under high power is more severe. Therefore, ultrasonic power should be selected according to actual usage.

　　三、清洗液温度的选择

　　3、 Selection of cleaning solution temperature

　　全自动超声波清洗机的水清洗液的适宜清洗温度为40-60℃，特别是在寒冷天气，如果清洗液温度低，气蚀效果差，清洗效果也差。因此，一些清洗机围绕在清洗气缸外的加热线周围，以进行温度控制。当温度升高时，容易产生气穴现象，因此清洗效果更好。当温度继续升高时，腔体中的气体压力增加，导致冲击声压下降，反映了这两个因素的倍增。

　　The suitable cleaning temperature for the water cleaning solution of the fully automatic ultrasonic cleaning machine is 40-60 ℃, especially in cold weather. If the temperature of the cleaning solution is low and the cavitation effect is poor, the cleaning effect will also be poor. Therefore, some cleaning machines surround the heating wire outside the cleaning cylinder for temperature control. When the temperature rises, it is easy to produce air pockets, so the cleaning effect is better. As the temperature continues to rise, the gas pressure in the chamber increases, resulting in a decrease in the impact sound pressure, reflecting the doubling of these two factors.

　　四、清洁篮的使用

　　4、 Use of cleaning basket

　　清洁小零件时，经常使用网，因为网会引起超声波衰减，因此应特别注意。当频率为28khz时，使用大于10mm的网格。

　　When cleaning small parts, use a mesh frequently as it can cause ultrasonic attenuation, so special attention should be paid. When the frequency is 28kHz, use a grid larger than 10mm.

　　五、对清洗液的数量和清洗部位的确定

　　5、 Determination of the quantity of cleaning solution and cleaning area

　　全自动超声波清洗机的清洗液位一般在振动器表面以上100mm以上。由于单频清洗机受驻波场的影响，波节处的振幅很小，而波幅处的振幅较大，导致清洗不均匀。因此，清洗项目的选择应放在波浪中。

　　The cleaning liquid level of a fully automatic ultrasonic cleaning machine is generally above 100mm above the surface of the vibrator. Due to the influence of standing wave field, the amplitude at the node of the single frequency cleaning machine is small, while the amplitude at the wave amplitude is large, resulting in uneven cleaning. Therefore, the selection of cleaning projects should be placed in the waves.

　　六、不同的清洗液，区分清洗系统

　　6、 Different cleaning solutions, distinguish cleaning systems

　　水性系统：通常由一个敞开的容器组成，工件浸入其中。综合系统由多个储罐组成，并配有循环过滤系统、冲洗罐、干燥罐等附件。

　　Water based system: typically composed of an open container into which the workpiece is immersed. The comprehensive system consists of multiple storage tanks and is equipped with accessories such as a circulating filtration system, flushing tank, drying tank, etc.

　　溶剂系统：多为超声波气相油脂清洗机，常配有废液连续回收装置。超声气相除油过程是由溶剂蒸发罐和超声浸没罐组成的一体化多罐系统完成的。油、油脂、蜡和其他溶剂溶性污垢通过热溶剂蒸汽和超声波搅拌的组合去除。经过一系列清洁程序后，工件是热的、清洁的和干燥的。

　　Solvent system: mostly ultrasonic gas-phase grease cleaning machines, often equipped with a continuous waste liquid recovery device. The ultrasonic gas-phase oil removal process is completed by an integrated multi tank system consisting of a solvent evaporation tank and an ultrasonic immersion tank. Oil, grease, wax, and other solvent soluble dirt are removed by a combination of hot solvent vapor and ultrasonic stirring. After a series of cleaning procedures, the workpiece is hot, clean, and dry.

　　七、全自动超声波清洗工艺及清洗液的选择

　　7、 Fully automatic ultrasonic cleaning process and selection of cleaning solution

　　在购买清洗系统之前，应对待清洗零件进行以下应用分析：确定待清洗零件的材料成分、结构和数量，分析和确定要清除的污垢是决定使用何种清洁方法以及是否使用水基清洁溶液或溶剂的先决条件。清洗过程需要通过清洗实验进行验证。只有这样，才能提供合适的清洗系统、合理设计的清洗工艺和清洗液。蒸汽压力、表面张力、粘度和密度是超声波清洗中重要的因素。温度会影响这些因素，因此也会影响空化效率。任何清洗系统都必须使用清洗液。

　　Before purchasing a cleaning system, the following application analysis should be conducted on the parts to be cleaned: determining the material composition, structure, and quantity of the parts to be cleaned, analyzing and determining the dirt to be removed is a prerequisite for deciding which cleaning method to use and whether to use water-based cleaning solutions or solvents. The cleaning process needs to be validated through cleaning experiments. Only in this way can suitable cleaning systems, well-designed cleaning processes, and cleaning solutions be provided. Steam pressure, surface tension, viscosity, and density are important factors in ultrasonic cleaning. Temperature can affect these factors, and therefore also affect cavitation efficiency. Any cleaning system must use cleaning solution.

　　八、清洗零件加工

　　8、 Cleaning parts processing

　　超声波清洗的另一个考虑因素是清洗零件的装卸设计或放置清洗零件的工具设计。当清洗部件位于超声波清洗槽中时，清洗部件和清洗部件篮都不应接触槽的底部。清洁部件的总横截面积不得超过超声波槽横截面积的70%。橡胶和非刚性塑料吸收超声波能量，因此在模具中使用此类材料时应谨慎。还应特别注意绝缘清洁部件。吊篮设计不当，或工件太重，即使超声波清洗系统的效率也会大大降低。挂钩、架子和烧杯都可以用来支撑清洁件。

　　Another consideration for ultrasonic cleaning is the design of the loading and unloading of cleaning parts or the design of tools for placing cleaning parts. When the cleaning component is located in the ultrasonic cleaning tank, neither the cleaning component nor the cleaning component basket should touch the bottom of the tank. The total cross-sectional area of the cleaning components shall not exceed 70% of the cross-sectional area of the ultrasonic groove. Rubber and non rigid plastics absorb ultrasonic energy, so caution should be exercised when using such materials in molds. Special attention should also be paid to insulation and cleaning of components. Improper basket design or heavy workpieces can greatly reduce the efficiency of ultrasonic cleaning systems. Hooks, shelves, and beakers can all be used to support cleaning components.

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