Monthly Archives: January 2012

Ultrasonics – Ultrasonic Generators – Power Control

Many ultrasonic generators are configured to operate at one power level – full on.  There are occasions, however, when controlling the ultrasonic power is critical to a successful ultrasonic cleaning process.  This is especially true when cleaning parts made of … Continue reading

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Rinsing – Options – Single Rinse Tank

Rinsing as it applies to aqueous parts cleaning is a final “cleaning” step which removes residues introduced by or resulting from the primary cleaning process.  There are several options to choose from when it comes to rinsing.  Making the proper selection … Continue reading

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Cleaning – Solvents – The Phoenix Stirs!

In the period immediately following the signing of the Montreal Protocol, virtually every manufacturing facility using solvents for cleaning was faced a critical decision.  The three basic options were – Discontinue unnecessary cleaning operations altogether. Upgrade or replace existing solvent-based cleaning systems … Continue reading

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Cleaning Process – Rinsing – Preventing Carry-Over

A dedicated reader has requested that the blog address rinsing in more detail.  Rinsing ranks high on the list of process steps that are often not given their due attention in the specification of an overall cleaning process.  Many specifications just say “rinse” and … Continue reading

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Ultrasonics – Transducers – What is “Q”?

In the blogs about transducers I made a point of telling readers that an ultrasonic transducer must be driven at its resonant frequency to achieve optimum performance. What I didn’t address, however, was the fact that the resonant characteristics of a transducer can … Continue reading

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Ultrasonics – Ultrasonic Generators – Introduction

In an ultrasonic cleaning system, the device that provides the electrical energy to power the ultrasonic transducers is known as the ultrasonic “generator.”  Basically, the ultrasonic generator converts electrical energy received from the power line into electrical energy with the … Continue reading

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Some Things You Should Know About Rust

We all know, basically, what rust is and what causes it.  What many don’t know, however, is that rust is unique in its properties.  Knowing how to deal with and/or prevent rust is very important in many cleaning applications. The … Continue reading

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Ultrasonics – Hearing

Of the five senses, hearing would probably rank #2 in importance to most people with sight being the most important.  I, personally, rank hearing as #1 in importance for me although I won’t get into the details of why that is so.  … Continue reading

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Cleaning – Chemistry – What Happened to Solvents?

Most cleaning today is based on aqueous (water based) technology.  Wash, rinse and dry cleaning has become the norm.  But, for those of you who are new to the cleaning industry and don’t know, Chlorinated and Fluorinated solvents were the … Continue reading

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Correction to the Blog of December 14, 2011

There was an error in the chart showing cavitation bubble size vs. ultrasonic frequency in the blog published on December 14, 2011.  The bubble size was incorrect by an order of magnitude.  The correction can be seen at Ultrasonics – … Continue reading

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