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Innovative technology for highly productive powder coating of coils and blanks

: Strohbeck, Ulrich; Cudazzo, Markus; Vogelsang, Harald; Gedan-Smolka, Michaela; Tuschla, Marcel; Demmler, Matthias

Preprint urn:nbn:de:0011-n-1646393 (444 KByte PDF)
MD5 Fingerprint: ff70eb82ba7ed2fcdc534de572783131
Created on: 23.12.2011

Hilt, M.:
EC European Coatings Congress 2011. CD-ROM : Nuremberg, Germany, 28-30 March 2011, Congress Proceedings
Hannover: Vincentz Network, 2011
Paper 14.4, 8 pp.
European Coatings Congress <2011, Nürnberg>
European Coatings Show <2011, Nürnberg>
Conference Paper, Electronic Publication
Fraunhofer IPA ()
Fraunhofer IWU ()
elektrostatisches Pulverbeschichtungsverfahren; Pulverlack; coil coating; Fluidisierbett; Hydroforming; elektrostatisches Pulverspritzen; Pulverbeschichten; Bandbeschichtung; Infrarotstrahler; Innenhochdruckumformen; Blechumformen

The combination of a novel powder coating technique working without spray guns based on the electrostatic fluidised bed principle, and high-performance infrared radiators makes possible the option for high-speed powder coating and curing on coils and blanks at line speeds higher than 1 m/s. For the fast curing process, special powder coating materials have been developed that are highly reactive and have a high degree of plasticity that is needed to endure the deep drawing process for the precoated metal sheets. Electrical and gas-powered infrared radiators including NIR, STIR, and a porous gas burner have been compared in terms of high decorative and functional coating quality, as well as with respect to short curing time and high energy efficiency. With the new coil and blank coating technology, new markets for powder coating can be opened up, e.g., for automotive body parts and the building industry.