DURASONIC DS3L User Manual - Page 7

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cleaning action of an ultrasonic cleaning system does just that – It goes where brush

bristles can't.

What is Ultrasonic Cleaning Technology?

Ultrasonic cleaning technology is high frequency sound waves creating a phenomenon

in a fluid called cavitating action, or cavitations. Cavitations, the superheated bursting of

bubbles in a fluid, are what make ultrasonic cleaning work.

When a sound wave travels through fluid, it stretches and compresses the fluid to

transmit sound. When the sound wave's amplitude increases to a threshold level, when

the fluid cannot hold the "stretch" of the sound wave, the sound wave energy literally

tears the water apart and vacuum bubbles are formed.

Each vacuum bubble grows in size until it can grow no more – equilibrium is reached

between the bubble and the fluid – at equilibrium, the bubble is compressed by the

surrounding fluid pressure until it collapses. At collapse, a tiny liquid jet is created in the

bubble's place.

Each liquid jet creates estimated temperatures and pressures of over five thousand

degrees Celsius and ten thousand PSI when the collapse occurs. The extreme pressure

and temperature of the jet provides the phenomenon responsible for the effective

ultrasonic cleaning action. This action occurs millions of times, over and over, while the

sound waves are traveling through the fluid.

When the item being cleaned is submerged in the ultrasonic tank's fluid, the millions of

jets created by ultrasonic energy are capable of reaching into fine depressions and

intricate details. Every surface area is exposed to the ultrasonic cleaning action; cracks,

crevices and hard to reach corners of every nook and cranny get cleaned by the

ultrasonic cavitating action. Ultrasonic sweep cleaning technology enhances the

system's ability to clean.

Ultrasonic system power is rated in how much energy, in watts, is generated in the

ultrasonic tank. Higher power systems generally mean shorter part immersion times in

the fluid.

The ideal cleaning frequency is determined by the size of dirt being cleaned. Simply

speaking, higher frequencies are more capable it is of removing smaller particles, lower

frequencies are better suited for large dirt particles. Many SharperTek® ultrasonic

systems can be configured with multi-frequency technology, giving you the benefit of

multiple cleaning frequencies in a single design package.