Ultrasonic cleaning efficiency depends on the parameters of the sound field (vibration frequency and sound intensity) as well as physico-chemical properties of the liquid detergent. Selecting the sound field parameters and the washing liquid properly can grant the required cleaning efficiency. Much depends on the quality of the equipment itself: if you are looking for high quality ultrasonic cleaner offering decent functionality, drop in at hilsonic.co.uk – a reliable UK manufacturer, boasting an impressive line-up of powerful ultrasonic cleaners at affordable prices.
In the cleaning process the surface tension of the washing liquid also matters, degrading wetting process parts to be cleaned and preventing the penetration of the detergent solution into the gaps. To reduce the surface tension of the washing liquid additives surfactants are used which improve the wettability and the surface, creating a subtle adsorption layers on the particle surface contamination and promoting their detachment easier.
Introduction of ultrasonic vibrations is carried out through the plates, which have a good acoustic contact with the transducer. The geometrical dimensions of the plates are determined on the basis of the conditions for obtaining the required intensity of the ultrasonic vibrations, while the optimum value is selected depending on the nature and type of contamination of parts.
Decontamination, degreasing and cleaning in the focus
The main types of contaminants that are removed in the process of ultrasonic cleaning can be grouped into four categories:
- Solid and liquid films – different oils, greases, pastes, etc.;
- Solid precipitation – metal and abrasive particles, dust, deposits, water-insoluble inorganic compound (scum, flux), and soluble or partially soluble organic compound (salt, sugar, starch, protein, etc.);
- Сorrosion products – rust, scale, etc.
- Preservatives, preservative and protective coatings – enamels, resins, etc.