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OWSplus

Automated stripe coat application to floating offshore foundations

Stripe coat application to weld seams, free edges, bolts and other difficult-to-coat areas is costly and labor-intensive. For large structures, the automation of this process is a promising innovative approach to accelerate coating processes and to reduce costs, materials and resources. 

The following issues were addressed in the OWSplus project:

  • Integration of an electrostatic painting device into the application process.
  • Introduction and optimization of a robot for the stripe coat application process.
  • Investigation of coverage rates and dry film distributions over weld seams and bolts.

Fundings:

German Federal Ministry of Education and Research (BMBF)

Main partners:

Fraunhofer IGP

Contact:

Dr. Andreas Momber

Robotic application of stripe coats on critical areas

An automated stripe coating process was developed and evaluated, combining robotic application and electrostatic spraying to ensure consistent coverage on edges, welds, bolts, and other areas.

Figure 1

Coating deterioration and corrosion at edges, welds, bolts and difficult-to-spray areas.

Figure 2

Video freeze frame of the robot application process in Muehlhan’s testing facility.

Figure 3

Polished cross section images from a coated steel plate with welded fillets after coating.

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