Hydrodemolition surface preparation is a way of preparing a surface for a coating procedure, using high- (or ultra-high) pressure water. Surface preparation is necessary to clear the surface of pre-existing coatings, surface imperfections, organic matter, oxidation, and other contaminants to create the ideal conditions for the new concrete or coating to bind. The Conjet ACR™ robots can be fitted with a vacuum port to capture the removed surface coating using a vacuum device.
Removing rust, scale, and different kinds of coating with traditional techniques and surface preparation technologies often requires both containment and/or clean-up. The associated costs of such surface preparation solutions can have a significant impact on a contractor’s profitability. And for contractors doing environmental remediation, removing asbestos or lead-based paint for example, the issue of containment becomes even more critical.
The Conjet ACR™ robot offers advanced surface solutions to quickly and safely remove coatings, rust, and other tough adherents. The surface preparation technologies we provide give you the same productivity, but without the expense, hazards, and accompanying clean-up problems. When you require surface preparation for painting, rust, or other coatings, there’s no better alternative than the Conjet ACR™ robot:
After completing the start-up routine, the operator can load a saved set of parameters or enter new parameters on the ACR™ robot, either directly on the robot’s display or using the handheld remote control. The operator then positions the robot and starts the automated concrete removal process from a safe distance of 15-30 feet (5-10 meters).
The robot then operates autonomously according to the chosen parameters, working its way in a straight line, in a curve, or in a circle, while the operator monitors and supervises the concrete surface preparation process.
The robot is equipped with a lance that moves over the concrete surface, shooting a high-pressure water jet and removing the damaged material. The operator sets the hydrodemolition parameters (for example, cutting width, speed and jet angle), positions the robot and starts the hydrodemolition process. When this is done, the robot works autonomously according to the set parameters, working its way in a straight line. All the operator must do is monitor the progress from a safe distance and inspect the result.
Most concrete repairs fail due to poor concrete surface preparation. All unsound concrete must be removed, leaving sound, clean, and roughened surfaces, improving the quality and performance of newly applied coating. To optimize coating adhesion and ensure a high-quality concrete surface repair, the concrete surface needs to be completely clean.
Using high-pressure water is an alternative to sandblasting and is far superior from an environmental perspective. The paint and/or rust residuals can be collected in a controlled way by vacuuming it directly during the removal process.
Automation increases safety and productivity. Compared to hand lances, the Conjet ACR™ robots offer advanced surface solutions that reduce the risk of operator injury and fatigue resulting in safer and faster surface preparation.
Using high-pressure water for concrete surface repair and other surface preparation eliminates the handling of sand, leading to reduced costs for purchase and transportation.
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Conjet has more than 35 years of experience in the hydrodemolition business. Our goal is to create the best products for every type of hydrodemolition application, providing you with the widest range of ACR™ hydrodemolition equipment.
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