Ultrasonic Cleaning Literature Review
In comparison to the past ,cleanliness has become an important factor in today's industries. The likes of electronics where cleanliness was always a factor ,there now is a growing concern for the level of cleanliness standard that they need to meet due to the demand in technology. Every increase in technology results in a higher level of cleanliness . Through a rapid innovation the industry as we know it has had to meet this demand and done so by the use of ultrasonic technology.
In recent times manufacturing industries have taken more intensely to Ultrasonic cleaning as it has more superior results than any former method of cleaning contaminants. Ultrasonic cleaning involves the use of high frequency sound waves to remove a range of contaminants
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This will relate back to objectives of the project. Literature on different parameters in ultrasonic cleaning will be examined along with the consequences of contamination from an insufficient clean.
2.2 Ultrasonic cleaning
"The use of ultrasound to vibrate a part to be cleaned while the part is immersed in a cleaning fluid. The process produces a very high degree of cleanliness, and is used for jewellery and ornately shaped items" [HarperCollins Publishers 1991, 1994, 1998, 2000, 2003]
2.2.1 Process Operation
An Ultrasonic cleaning process can be described similarly to the following:
Ultrasonic cleaning is a very interesting topic and occurs as a result of sound waves implemented into a cleaning liquid or solution by means of frequency transducers there are two types of transducers which are typically mounted to the cleaning tank.
1. piezoelectric
2. magnetostritive
The frequency sound travels through the tank and bounces off certain surfaces this frequency noise is high pitched to human hearing depending on the height of the frequency there are waves of compression and expansion constructed in the liquid due to the
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5, Surface Engineering]
2.3 Theory behind Ultrasonic Cleaning
The problem area describes that unambiguous parameters drive the optimum clean but no literature review describes the meticulousness of these in particular parameters for a specific part therefore a review comes to light as a whole on each of the topics.
The Theory behind ultrasonic cleaning comes from back In 1952, it was taken out of the lab and first used in production by Bendix Corporation in Davenport, Iowa. [Blue Wave Ultrasonic's, (2015). Ultrasonic Cleaning History]
Bendix experimented through the 1950's with other different methods and found that ultrasonic cleaning was the most profitable. Then popularity grew for this cleaning method in a wide range of different industries. It was seen that from this method that parts could be cleaned and left for a particular amount of time without any human intervention. Now the need for ultrasonic cleaners in industries has become the utmost importance due to its wide range of parameters that form this known popular unsoiled part. Ultrasonic cleaning
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