Steelwork: Tapping of a blast furnace
On the recording one can hear the work process of a blast furnace (year of construction 1963, modernized in 2013) at Thyssen-Krupp…
Ultrasonic Cleaner
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About the sound
The ultrasonic washing is based on high-frequency sound vibrations, which cause strong cavitation in liquid. Microscopic cavitation bubbles implode on the surface of the workpiece removing soils, grease and other contaminants. Ultrasonic generator converts the net frequency into high frequency signal.
This machine FinnSonic M 15 is in use in Jyväskylän Uusiotuote ry, witch is workshop specialised on recycling.
Bike mechanics repair customers bicycles and also they sell functioning bikes that have been assembled from abandoned bikes. The ultrasound washing is used to clean metal bike parts.
This model was bought second hand in 1990's. It was made in Lahti, Finland.
FinnSonic provides ultrasonic and spray cleaning solutions to industrial part cleaning processes.
Sound and video recorder: Leena Ahonen
Photographer: Leena Ahonen
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