Ionising paint booth imperfections

Third Quarter 2008 Pneumatic systems & components

The problem

Maintaining strict cleanliness in an auto paint booth is essential. However, airborne dust from the clothing of workers entering the booth settled on the car body. These tiny imperfections, magnified after painting, resulted in unacceptably high rejection levels.

The solution

The entrance to the paint booth was surrounded with a series of Exair Model 111036 914 mm Super Ion Air Knives. The ionised air shower that the units produce neutralised the static charge on the workers’ clothing and directed the dust to a floor vent. Paint booth contamination and finish-related rejections were reduced dramatically.

The ability of the ionised air to ‘reach out and touch someone’ was the key to success in this application. The Exair air knife uses a small amount of compressed air to deliver a high volume flow of surrounding air to a charged surface. It can effectively eliminate static and the contaminant it attracts at distances up to 6,5 m.

For more information contact Rodney Bradley, ETEST, +27 (0)31 702 8302, [email protected], www.etest.co.za

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