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The principle of the ultrasonic cleaning machine is simply that the ultrasonic cleaning is to use the shock wave generated by the bubble breakage in the liquid to clean and flush the inner and outer surfaces of the workpiece. Next, the small series of China United Market Research Network will give you a detailed explanation of what is the principle of ultrasonic cleaning machine? What is ultrasonic?
Ultrasonic cleaning machine principle:
The transducer converts the acoustic energy of the power ultrasonic source into mechanical vibration and radiates ultrasonic waves to the cleaning liquid in the groove through the cleaning tank wall, and the microbubbles in the liquid in the tank vibrate under the action of sound waves, when the sound pressure or sound intensity reaches At a certain value, the bubble grows rapidly and then suddenly closes. At the moment the bubble closes, a shock wave is generated to generate a pressure of 1012-1013 Pa and a local temperature adjustment around the bubble. The enormous pressure generated by this ultrasonic cavitation can destroy the insoluble dirt. They are differentiated in solution, and the direct repeated impact of vapor-type cavitation on the dirt, on the one hand, destroys the adsorption of dirt and the surface of the cleaning member, on the other hand, it can cause the fatigue damage of the dirt layer to be rejected, and the vibration of the gas-type bubble The solid surface is scrubbed. Once the dirt layer is drilled, the air bubbles immediately “drill†into the vibration to cause the soil layer to fall off. Due to cavitation, the two liquids are rapidly dispersed at the interface and emulsified. When the solid particles are wrapped by oil, they stick. When attached to the surface of the cleaning member, the oil is emulsified and the solid particles fall off by themselves. When the ultrasonic wave propagates in the cleaning liquid, a positive and negative alternating sound pressure is generated to form a jet. The cleaning member is struck, and the acoustic flow and the micro-acoustic flow are generated due to the nonlinear effect, and the ultrasonic cavitation generates a high-speed micro-jet at the interface between the solid and the liquid, all of which can destroy the dirt, remove or weaken the boundary stain, Increase the stirring and diffusion, accelerate the dissolution of soluble dirt, and strengthen the cleaning effect of chemical cleaning agent. It can be seen that all the places where the liquid can be immersed and the sound field exists have a cleaning effect, and the characteristics are suitable for the cleaning of parts with very complicated surface shapes. In particular, the use of this technology can reduce the amount of chemical solvents, thereby greatly reducing environmental pollution.
Second, what is the principle of ultrasonic cleaning machine called ultrasonic? What is the characteristics of ultrasonic?
Sound wave is one of the categories belonging to sound. It belongs to mechanical wave. Sound wave is a kind of longitudinal wave that can be felt by human ear. Its frequency range is 16hz-20khz. When the frequency of the sound wave is lower than 16hz, it is called infrasound wave, and when it is higher than 20khz, it is called ultrasonic sound wave.
Ultrasound has the following characteristics:
1) Ultrasonic waves can be effectively propagated in media such as gases, liquids, solids, and solid solutions.
2) Ultrasonic waves can transmit very strong energy.
3) Ultrasound produces reflection, interference, superposition and resonance.
4) When ultrasonic waves propagate in a liquid medium, strong impact and cavitation can occur at the interface.
Third, the principle of ultrasonic cleaning machine is cleaning cleaning refers to the removal of liquid and solid contaminants on the surface of the workpiece, so that the workpiece reaches a certain degree of cleanliness, cleaning process is the interaction of cleaning medium, pollutants, workpiece surface Is a complex physical, chemical process. Cleaning is not only related to the nature, type, form and degree of adhesion of the contaminant, but also to the physical and chemical properties of the cleaning medium, the cleaning function, the material of the workpiece, the surface state, and the cleaning conditions such as temperature, pressure and additional ultrasonic vibration. , mechanical external forces and other factors. Therefore, the selection of a scientific and rational cleaning process requires process analysis. Application: This type of machine uses municipal water plus a little water-soluble cleaning agent to form a cleaning solution, so the cost of use is low. Widely used in hardware, electronics, watches, machinery, tools, glasses, jewelry, semiconductor wafers, polyester spinnerets and polyester filter cores and glassware.
What is the principle of the ultrasonic cleaner?