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Monthly Archives: November 2011
Cleaning – Insoluble Contaminants – Particles
A previous blog Cleaning – Soluble Contaminants – “Solvents” described soluble contaminants as those contaminants that can be dissolved using a solvent or engineered liquid such as a surfactant. Contaminants that are not soluble are the other distinct classification of … Continue reading
Happy Thanksgiving
I would like to take this opportunity to wish everyone a Happy Thanksgiving. This is a time for family and friends. We all have a lot to be thankful for. The blog will be back on Monday. - FJF -
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Reader Questions – Monitoring Ultrasonic Transducers
Today’s blog is responding to two questions asked by readers. Both concern monitoring of ultrasonic transducer performance. Ralph Clendenin asks – “Is there a measurement of the frequency I need to be aware of during “good” operation I can check monthly … Continue reading
Reader Questions – Baskets for Ultrasonic Cleaning
Before we get to today’s topic, we have an announcement! Many of you may have recently subscribed for email updates of the blog either on your own or as a result of emails sent out by the Cleaning Technologies Group. The names of those … Continue reading
Cleaning – Soluble Contaminants – “Solvents”
In the blog entitled The Lowdown on Dirt, the three basic classes of contaminants were described. They are – soluble, particulate and a mixture of soluble and particulate. There are, of course many hybrids and permutations but for purposes of … Continue reading
Reader Question – “PM” of Ultrasonic Equipment
The preceding blog addressed the most common service issue with ultrasonic equipment, the ultrasonic generators, along with Preventive Maintanance measures that can help minimize generator failure events. Today’s blog will cover additional Preventive Maintenance measures which apply not only to … Continue reading
Reader Question – “PM” of Ultrasonic Equipment
Reader’s Questions The blog welcomes reader’s questions and comments related to cleaning. Just forward questions or comments to jfuchs@ctgclean.com. Provided I know the answer to your question, I will either answer it by email or, if the question is of general interest, … Continue reading
Ultrasonics – Implosion
In the blog Cavitation 101, cavitation in liquids was described as the backbone of ultrasonic cleaning. Cavitation by itself, however, is not the end of the story. Although cavitation is the backbone, the real work is accomplished by the implosion of … Continue reading
Posted in Sound, Ultrasonics, Useful Information Miscellaneous
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Ultrasonics – Cavitation 101
Cavitation of liquid due to high amplitude ultrasonic vibration within the liquid is the backbone of ultrasonic cleaning. Liquids have the unique ability to cavitate. In order to cavitate, a material must exhibit three properties – It must be relatively … Continue reading
Posted in Sound, Ultrasonics, Useful Information Miscellaneous
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Sound – Consequences of Increased Amplitude
Two of the major variables in the production of mechanical vibration are frequency and amplitude. The consequences of frequency variation were discussed in a preceding blog. Today’s blog concentrates on amplitude and the power implications of varying either or both … Continue reading