Comments on Ultrasonic Power

My recent blog, Are Ultrasonic Power Ratings Real?, prompted a response from my friend and colleague William Puskas.  Some of you may know Bill as the “Father of Sweep” as he was the first to implement frequency sweeping technology in ultrasonic cleaning equipment decades ago.  He is also the author of a significant number of …

Are Ultrasonic Power Ratings Real?

Nearly anyone who has been involved in the procurement of an ultrasonic cleaning system has come head to head with watts of ultrasonic power issues.  Variations of an order of magnitude or more are common in ultrasonic watts ratings from competitors selling equipment of otherwise similar size and capacity.  Despite the discrepancies, I don’t believe anyone …

The Effect of Physical Chemical Properties on Ultrasonic Performance

Successful ultrasonic cleaning processes utilize a combination of mechanical action provided by the formation and implosion of cavitation bubbles and  chemistry that dissolves and/or promotes the wetting and transfer of mechanical energy to dislodge the contaminants to be removed.  The interactions and effects of chemistry on the ultrasonic process obviously exist but are not well …

Ultrasonic Tank Squeal

If you work around ultrasonic cleaning tanks you have probably heard a tank “squeal.”  If you’ve never heard this, (1) consider yourself lucky and (2) be aware that a “squeal” is not the normal hissing sound associated with an operating ultrasonic tank but, rather, an extremely high amplitude sound at an audible frequency that can …

Pros and Cons of Tank Bonded vs. Immersible Ultrasonic Transducers

Note – Before we start, there is a nomenclature conundrum when it comes to the term “ultrasonic transducer.”  Through convention, transducer elements, the individual devices that produce ultrasonic vibrations (much like an individual radio speaker), are commonly called “transducers.”  A number of transducer elements working in parallel constitute a transducer array but may be called …

Cavitation Bubble Implosion Video!

After God knows how many years of looking at that one image of a cavitation bubble presented endlessly with different color variations etc. to “freshen it up” there has emerged some exciting new footage of actual cavitation bubble implosion!  Now, as a start, I don’t think these bubbles, at least the first ones, are the …