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The fundamental principle of ultrasonic cleaning consists in high-frequency waves propagating in a tank filled with water and detergents. When applied on the sides or on the bottom of a stainless-steel tank, PZT (piezoelectric-electrostrictive) tranducers, vibrating at very high frequencies (33.000 Hz. and more) generate waves that propagate across the volume of the tank. When impacting the surface of the object that needs cleaning, they generate compression and decompression waves which, in turn, induce vacuum bubble s(CAVITATION), that collapse at a pressure of 1000 bar.

This phenomenon, well-known in hydraulics, results in the mechanical removal of dirt at a molecular level. The energy needed for such mechanical action is provided by a generator. Therefore, a typical cleaning system includes the following elements:

GENERATOR + TRANSDUCERS + TANK

principio

To have more detailed and correct basic informations on the ultrasonic technology, so that customers can play an active role in choosing the system best suited to their specific needs, we want to clarify some fundamental concepts:

Power
Multifrequency
Transducers
Piezoelectric effect
Cavitation
Pulse Mode
Sweep Mode
IGBT
Degassing
Noise
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