Dürr has been contracted to build an automobile paint shop in China for the FAW-VW joint venture. This automotive paint shop which Dürr says will have the lowest emissions in all China and a capacity of 34 vehicles per hour will go into operation to paint various Audi models starting in March 2013.
The plant will have completely automated primer, base and top coat application and has expanded the joint venture's capacities in Changchun.
Dürr is responsible for the construction of the complete paint shop, including application technology and exhaust air purification. The company will use its EcoDryScrubber system for the dry separation of overspray that it says reduces energy consumption up to 60 percent in comparison to conventional spray booths by using air recirculation. Fresh water and coagulation chemicals can be completely dispensed with and overspray bound by limestone powder can be reused.
The use of water-based paints in the primer and basecoat section is also new and environmentally friendly as well.
The Ecopaint RoDip M rotational dip coating process, which is already used around the world in 46 different paint shops for PT / ED applications, will be used in pretreatment and electro dipping in Changchun. With this Dürr said the rotation of the entire body in the tank optimizes the dipping, flooding and draining process. By eliminating the entry and exit ramps the tank volume is decreased, reducing the need for energy and chemicals.
Prior to the filler and basecoat applications, the car body is cleaned by six EcoRS Clean robots and sword brushes. Interior and exterior painting is fully automated, using a total of 62 painting and handling robots from the EcoRP L series.
EcoBell3, the new atomizer generation for electrostatic paint application will be used for the application of primer, base coat and clear coat. Seam sealing, including the hemflange application, underbody protection and pore recognition, is carried out by 16 EcoRS robots.