New compact robotic interior painting system

ABB’s latest innovative solution for automotive manufacturing – the "Compact Interior Paint station”  –  combines twelve robots to offer a space-saving alternative to traditional robotic interior painting solutions, helping automotive OEMs reduce the footprint of their paint booths by up to 33%, while being able to paint a variety of vehicle types, from cars and SUVs to large MPVs.

With the new system the risk of a collision or triggering of an emergency stop is removed. Image: ABB

With four “IRB 5350” door opener robots for opening the doors and two “IRB 5500-22” robots to open hood and trunk, the key to the compactness of the solution is the capability brought by six of ABB’s new “IRB 5500-27” 7-axis robots. Featuring a class-leading 3.8 meter working envelope and offering a choice of floor, wall or inverted mounting options, the extended reach offered by the “IRB 5500-27” allows the robot to reach further across a car body than other robot solutions. The enhanced working angle reduces the number of robots needed to carry out a particular task and eliminates the need for a linear track.

The improved reach also enables the robot to optimize the angle of the atomizer relative to the surface to be painted, which helps to reduce paint wastage by minimizing overspray, while the space savings achieved by ABB’s Compact Interior Painting Station reduces the need for ventilation and illumination on the factory floor, helping to make paint operations more sustainable and cost-effective. Another benefit is the ability of the robot to be able to compensate for the one next to it to maintain productivity. In the event of a failure, the remaining working robot will enter degrade mode, either increasing speed to cover the work of both robots or increasing cycle time to cover for the failed robot until it can be brought back online. The use of ABB’s “SafeMove” software ensures that the robots can work in close proximity to each other. By setting each robot’s working envelope as a safety zone and using it to control their speed and movement, the risk of a collision or triggering of an emergency stop is removed. The use of “SafeMove” also helps to prevent injury to workers who may have to enter the booth, with the robots brought to an automatic stop as soon as a person is detected. 

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