coating materials and application methods

POWDER COATING WITH ROBOTS

AND DENSE PHASE TECHNOLOGY—A

CRITICAL BLEND OF ADVANCED

TECHNOLOGIES

BY JOHN BINDER, MARKETING MANAGER, NORDSON POWDER COATING

SYSTEMS, NORDSON CORP., AMHERST, OHIO

The efficiencies of robotics designed specifically for painting—coupled withadvances in powder coating application and delivery technology through theuse of dense phase technology guns, pumps and controls—provides greater productivity,higher repeatability and savings in daily powder coating operations.There was a time when powder coaters would adapt large welding robots topowder coating applications. The result was costly over-sized machines that didnot lend themselves well to powder booths or precise powder paint applications.Often the window or opening for the robot would need to be sized to accommodatethe robot’s painting motion. This caused higher than desired openbooth area and up-sized collectors to allow for the necessary booth airflows tocontain powder.Since then, robot technologies have progressed at a rapid pace. Today, there arerobots designed specifically for powder painting that are smaller, more cost effectiveand more precise with advanced part identification and controls that communicatebetween the powder application equipment and ........ 

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