It's time for your robot to paint ! / Scott Adams in COATINGS TECH, Vol. 19, N° 3 (03/2022)  

[article]  inCOATINGS TECH > Vol. 19, N° 3 (03/2022) . - p. 38-51 Titre : It's time for your robot to paint ! Type de document : texte imprimé Auteurs : Scott Adams, Auteur Année de publication : 2022 Article en page(s) : p. 38-51 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Ateliers de peinture industrielle Revêtements -- Appareils et matériels:Peinture -- Appareils et matériels Revêtements -- Application-dosage:Peinture -- Application-dosage Robots industriels Système de pulvérisation (technologie) Index. décimale : 667.9 Revêtements et enduits Résumé : Adding a painting robot to a production process can bring with it improved quality and productivity. The functionality and cost of robotic paint systems has improved tremendously over the past two decades, and the technology is earning its way into small and medium-size production operations. Coating systems bring tremendous value in decorative application and functionality to products. At the same time, the industry goes to great lengths to minimize or eliminate human exposure to overspray and solvent vapors. For repetitive coating processes, a robot can be a great way to minimize human exposure, provide a stable and uniform film across months and years of production, and maximize production throughput. It is not difficult to program a robot to move along a path at a given speed and trigger a paint applicator nor is it difficult for a human to wave their arms and trigger a spray gun. Knowing how to properly configure the applicator, coordinate triggers and motions, and manage process variables is what separates a highly skilled painter from an unskilled sprayer. There can be a dozen or more interrelated factors at play during a coating application process. What seems simple on the surface has left many capable engineers and chemists wringing their hands in frustration while spraying hundreds or even thousands of test panels to find optimal application settings for their robotic application process. A trial-and-error setup approach is expensive, time consuming, and frustrating for everyone involved. Fortunately, there is a very successful and time-tested structured methodology employed by many of the coating industry’s most capable users, applicator manufacturers, robot manufacturers, and material formulators. With a data-driven and structured approach, any organization with a robot and a paint applicator can leverage these techniques to greatly reduce the time and effort required to set up a high-quality robotic painting process. There is a wealth of technical literature available on paint atomization, coating formulation, and robotic optimization. A person new to this rapidly growing field of automated paint application may find themselves overwhelmed with data or may not realize that they are reinventing wheels that were perfected long ago. This article will walk through the first and often the most complex part of a robotic application setup process, explain practical techniques, define some basic process acceptance criteria, and define typical terminology used by some of the industry’s most capable paint application specialists. Note de contenu : - Application process overview - Process considerations : Fluid-flow rate - painting tips speeds - Number of passes - Work piece geomerty - Applicator selection - Applicator testing - Spray pattern development - Static spray pattern - Testing the dynamic applicator pattern - Interpreting dynamic pattern data - Under-atomized pattern - Over-atomized pattern - Pattern shape - Normal pattern : Determining the pattern width - Index, overlaps, and offsets - What is an overlap ? : Overlap terminology - What is an offset ? - Triggers - Robot tip speed while painting - Next steps in the process En ligne : https://drive.google.com/file/d/18UBozdS6ZGKois75AkmcVQ6T4n1TDpwX/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37607 [article]

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