Abstract

Paint Application by electrostatic high rotation atomizers is the most efficient way of applying spray paint to car bodies in automotive OEM paint shops. Only the 2nd coat of metallic base coats usually is applied by pneumatic atomizers. The reason for this is due to color/design and process stability questions, both resulting from differences in atomisation and droplet deposition mechanisms of the two paint atomizing processes. The results in an applied metallic film are explained. A path towards a process is outlined, considering not only the spray process itself, but the whole process chain incl. : - design - the repair processes - the manufacturers of plastic parts for the body - the paint manufacturers in terms of paint reformulation and test equipment The success of this process depends on the careful evaluation of the paint shop targets and the consideration of the total process chain.

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