What is cavitation?
Ultrasonic transducers vibrate the tank at a high frequency, creating alternating high- and low-pressure waves in the liquid. In the low-pressure phase, millions of microscopic bubbles form; in the high-pressure phase they collapse violently. Each collapse releases a tiny jet of energy that scrubs the nearby surface.
Why it reaches everywhere
Because the bubbles form throughout the liquid, cleaning happens in blind holes, internal channels, threads and complex geometries that brushes and sprays cannot reach. That is why ultrasonic cleaning is used for injectors, carburettors, moulds, heat exchangers and anilox rollers.
Frequency matters
Lower frequencies (around 25–28 kHz) produce larger bubbles and stronger collapse — ideal for heavy industrial dirt like carbon, burnt resin and scale. Higher frequencies give gentler cleaning for delicate parts. High-power 28 kHz systems are the industrial standard for tough contamination.
Getting the best result
- Use the right detergent and temperature for the soil
- Do not overload baskets — liquid must reach every surface
- Filter the bath and separate oil to keep it working
- Rinse and dry for a finished, ready-to-use part
The business case
Compared with solvent tanks and manual scrubbing, ultrasonic cleaning cuts labour, removes solvents from the floor and gives consistent results — often at substantially lower running cost.