Cavitation (essentially a microscopic brush) is the process in ultrasonic cleaning creating rapid formations and violent collapses of gas bubbles or cavities in a cleaning liquid (solvent). Cavitation is responsible for the scrubbing effect, which produces ultrasonic cleaning. It is basically a method of using a transducer in a cleaning solution to create bubbles that literally implode around the parts of the belt that needs to be cleaned. These bubble implosions create a scrubbing action that causes contaminants to dislodge from the belt. The agitation by countless small and imploding bubbles create a highly effective scrubbing action of both exposed and hidden areas of the belt immersed in the cleaning solution. As the frequency increases, the number of these bubbles also increases, while, at the same time, the energy released by each bubble decreases. This means that higher frequencies are ideal for small particle removal without damaging the belt. Cavitation will occur throughout the cleaning solvent if the energy intensity is sufficient. It will also accelerate chemical reactions and the rate at which surface films are dissolved.
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