ultrasonic cleaning machine is mainly composed of two parts: ultrasonic cleaning tank and ultrasonic generator. The ultrasonic cleaning tank is made of high-quality stainless steel that is strong, elastic and corrosion-resistant, and is equipped with ultrasonic transducer oscillators at the bottom. The ultrasonic generator generates high-frequency and high-voltage electricity, which is transmitted to the transducer through the cable connection line. The transducer and the vibration plate produce high-frequency resonance together, thereby causing the solvent in the cleaning tank to be affected by ultrasonic waves to clean the dirt. I. Selection of Cleaning Temperature: Generally speaking, ultrasonic waves perform best at temperatures ranging from 50℃ to 85℃. The quality and efficiency of cleaning have scientifically proven that the best and most stable cleaning temperature is between 50℃ and 85℃.

  Ii. Ultrasonic Cleaning Process and Selection of Cleaning Solution. Before purchasing a cleaning system, provide a suitable cleaning system for your own products, design a reasonable cleaning process and cleaning solution, and conduct the following application analysis on the parts to be cleaned: 1. Clearly define the material composition, structure and quantity of the items to be washed;
  2. Analyze and clearly identify the dirt to be removed;
  3. Decide on the cleaning method to be used, determine whether to use water-based cleaning solution or solvent, and ultimately conduct a cleaning experiment. Iii. Cleaning of Parts Treatment Another consideration for ultrasonic cleaning is the design of the loading and unloading of the cleaned parts or the fixtures used to place the cleaned parts. When the items to be cleaned are in the ultrasonic cleaning tank, neither the items to be cleaned nor the cleaning basket must touch the bottom of the tank. The total cross-sectional area of the cleaned items should not exceed 70% of the cross-sectional area of the ultrasonic tank. Rubber and non-rigid plastics can absorb ultrasonic energy, so caution should be exercised when using such materials in tooling. Special attention should also be paid to insulated cleaning parts. If the design of the tooling basket is improper or the workpieces it holds are too heavy, even the efficiency of the best ultrasonic cleaning system will be greatly reduced. Any material, if the mesh size is higher than 50, will exhibit solid performance against ultrasonic waves and reflect them back. It is only when the mesh size is larger than 1/4 inch that the performance of open materials is exhibited for ultrasonic waves. Hooks, shelves and beakers can all be used to support the cleaning of items.
 
  Iv. Ultrasonic Frequency: Noise will be produced when the working frequency is very low (within the range of human hearing). When the frequency is below 20kHz, the working noise not only becomes very loud but may also exceed the safety noise limits stipulated by occupational safety and health laws or other regulations. In applications where high power is required to remove dirt without considering surface damage to the workpiece, a lower cleaning frequency within the range of 20kHz to 30kHz is usually chosen. Cleaning frequencies within this range are often used to clean large, heavy parts or workpieces made of high-density materials.
  High frequency is usually used to clean smaller and more precise parts or remove tiny particles. High-frequency is also used in applications where the surface of the workpiece is not allowed to be damaged. The use of high frequency can improve cleaning performance in several aspects. As the frequency increases, the number of cavitation bubbles increases linearly, thereby generating more and denser shock waves that can enter smaller gaps. If the power remains constant, the cavitation bubbles become smaller and the energy they release decreases accordingly, effectively reducing the damage to the workpiece surface. Another advantage of high frequency lies in reducing the viscous boundary layer (Penouli effect), enabling ultrasonic waves to 'detect' extremely fine particles. The commonly used frequency products in the market include 28KHz, 32KHz and 40kHz.
  V. Power Density: Power density = emission power (W)/ emission area (cm ²), usually ≥ 0.5W/cm ². The higher the power density of ultrasonic waves, the stronger the cavitation effect, the faster the cleaning speed, and the better the cleaning effect. However, long-term and high-density cleaning can easily cause "cavitation" corrosion on the surface of the objects being cleaned.

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