Teachingless spray-painting of sculptured surface by an industrial robot

概要

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The study deals with the automatic spray-painting by a 6-DOF industrial robot equipped with an air spray gun. Since the robot control commands generation for the spray-painting is manually performed by skilled workers using a teaching-playback function of a robot controller, the time, experience and patience are required. The study aims at making robot control commands without any special knowledge on spray-painting, in the case of bumpers of a car as an example of sculptured surfaces. The system can automatically generate a spraying path for the air spray gun on the basis of CAD date of the workpiece, and change the spraying path into robot control commands. From experimental results, the system is found to effective in painting bumpers of a car with an uniform paint thickness.
IEEEの論文