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6 Introduction

How Ultrasonics Cleaning Works

Ultrasonic sound is sound transmitted at frequencies generally beyond

the range of human hearing. In your ultrasonic cleaner, ultrasonic sound

(sonics) is used for cleaning materials and parts. This is how it works:

• As the sound waves from the

transducer radiate through the

solution in the tank, they cause

alternating high and low pressures

in the solution.

• During the low pressure stage,

millions of microscopic bubbles

form and grow. This process is

called CAVITATION, meaning

“formation of cavities”.

• During the high pressure stage,

the bubbles collapse, or “implode”

releasing enormous amounts of

energy. These implosions act like

an army of tiny scrub brushes.

They work in all directions, attack-

ing every surface and invading all

recesses and openings.

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Branson PC-620-1 Betreibershandbuch Seite 17