en.Wedoany.com Reported - Germany-based engineering and industrial technology company Dürr has recently unveiled its new generation painting robot, the EcoRP4. This painting robot is an upgraded version of the six-axis EcoRP E/L x33iC, specifically designed for standardized, high-throughput automotive painting lines. It can be flexibly integrated into paint shops through various deployment methods, including floor mounting, pedestal mounting, or linear rail deployment. Since 1998, Dürr has delivered nearly 20,000 Ecopaint series robots worldwide, and the EcoRP4 becomes the latest member of this series.
The core design of the EcoRP4 focuses on cost-effectiveness. Dürr Product Manager Andreas Bokermann stated: "This fourth-generation robot is designed entirely with cost-effectiveness at its core. Compared to previous generations, fewer components, a simplified mechanical system, and easy-to-maintain design reduce lifecycle costs without compromising process technology." The painting robot features a redesigned asymmetrical arm structure. By offsetting the tool center point by over 200 millimeters, the robot's own structure is kept further away from the car body, allowing the applicator to more precisely access narrow interior spaces such as door recesses, hinges, and transition areas. Mirror versions are available for use on both sides of the production line.
The arm structure has been further optimized. Arm 1 has become more compact, reducing space requirements and increasing clearance around the vehicle; Arm 2 continues to carry the applicator, color changer, and metering pump close to the paint outlet, with shorter hoses improving color change speed and reducing paint and flushing agent losses during color changes. Dürr has also redesigned the internal layout of the process technology, integrating most components into Arm 1 for easier maintenance access. The redesigned housing and side-opening cover system simplify maintenance work. Bokermann explained: "During the redesign, we placed great emphasis on the ease of use of the process technology. By reducing the number of covers and implementing a side-opening design, the new design simplifies maintenance and significantly shortens repair times."
Angular gearboxes have been eliminated on Axis 2 and Axis 3, replaced by direct motor-mounted pinion drives, reducing the number of components, wear, and maintenance requirements. The painting robot is compatible with HTE technology and can be combined with Dürr's latest painting technologies in various configurations. The market launch is planned for 2027.
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