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Auto Sweep Frequency, Using Ultrasonic Frequency variation technique, ATEX certification; fail-sale - details see: https://www.machineto.com/artech-ultrasonic-screening-10282441

Artech ultrasonic sieving system is from Swizterland. The outstanding feature of it is the auto frequency sweeping which helps find the best frequency point of the sieve.

The economy of frequency variation becomes apparent with very large screening machines or screening machine with several screen decks. The process allows for the simultaneous excitation of several utrasonic converters by single generator. The variation of the frequency ensures that the frequency range of every excited screen is covered as long as the lower and upper limits of the variation bandwidth are set below and above the resonances of each screen deck.

It has unique design, for example the converter is always outside the powder flow thus no material can sticking on it,and sieve mechanics can be made by customer himself, no tuning of mesh waveguide necessary.The round, quadratic, rectangular and any other shape of frame is possible. It is almost no overload possible because of no Phase regulation but forced oscillation. Thick glue layers and wire diameters only reduce amplitude but do not stop generator from working

It is with Explosion proof . No converter and cable inside machine thus standard converters
and cables can be used resulting in lower cost. Frequency variation around resonances generates less heat because the amplitude is high only for short time when frequency gets through the resonance.