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Optimization of Tool Path Pitch of Spray Painting Robots for Automotive Painting Quality

Kiyang Park and Doyoung Jeon*
International Journal of Control, Automation, and Systems, vol. 16, no. 6, pp.2832-2838, 2018

Abstract : The spray painting robots with mounted electrostatic rotating bell (ESRB) atomizers have been widely used to maintain high painting quality for various car models in rapid automotive production. The focus of this study is on developing the optimum coating path pitch while considering automobile painting quality. We define a deposition model optimized for the ESRB atomizer and introduce a method to optimize the path pitch with a cost function for painting thickness uniformity, which plays an important role in painting quality. In addition, experimental results are presented to verify the validity of the optimal path pitch simulation results. By using the results of this study, it is possible to improve the painting quality and thus the productivity of spray painting robots.

Keyword : Deposition model, ESRB atomizer, path pitch optimization, spray painting robot, thickness uniformity.

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