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Photo Credit: GE Renewable Energy, LM Wind Power

 (Paris, France)   (Kolding, Denmark) and in partnership with the U.S. Department of Energy’s (DOE) (NREL, Golden, Colo., U.S.) launched the “Automated Blade Finishing” program in 2020, aiming to improve throughput, Environmental Health and Safety (EHS) and quality in wind turbine blade manufacturing.

Blade finishing includes trimming excess material after molding and grinding blade surface to meet quality requirements. The program’s vision is to leverage knowledge of advanced composite processing together with sensing, robotics and automation to develop low-cost solutions for wind blade finishing with potential to increase throughput by 30% and improve EHS in factories.

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Despite the COVID-19 pandemic, the team moved rapidly from concept to prototype boosted by the capabilities offered at (CoMET) facilities to perform quick proof of concept trials on blade sections.

The team was then able to collaborate with engineering, operations and EHS group at an LM Wind Power factory in Grand Forks, N.D., U.S., to perform successful trials on an actual wind turbine blade in production. The process innovations were supplemented with agile program management to pivot as necessary and leverage digital tools to perform virtual validations and reviews with partners.

“GE Renewable Energy is excited about the outcome of the pilot project and looks forward to industrializing this technology,” says , technical leader automation for GE Renewable Energy, industry lead for the program.

The program is supported by funding from (AMO) and (OEDIT). AMO, through the Institute for Advanced Composites Manufacturing Innovation (IACMI), awarded NREL $800K. This was matched by $400K from OEDIT, with $600K in company matching contributions.

“The partnership between GE and NREL through IACMI enabled innovative solutions to be developed that will have a meaningful impact on domestic wind blade manufacturing …”

“The NREL team enjoyed collaborating with our industry partners at GE to develop new ways to complete blade finishing operations,” says David Snowberg, technical project manager at NREL. “The partnership between GE and NREL through IACMI enabled innovative solutions to be developed that will have a meaningful impact on domestic wind blade manufacturing, which aligns with NREL’s mission.”

James Martin, director, Technology Center Americas, LM Wind Power adds: “Automated wind turbine blade finishing program has been a critical catalyst for advancing 'automation led design' principles into LM Wind Power. The team has delivered an innovative solution to a problem that is common across many aspects of high-throughput composite manufacturing, paving the way for safer, higher-quality component trimming. We are currently progressing the next steps of factory trials and industrialization, with the target of implementing in our north American manufacturing facilities in the next product and factory cycle.”

According to John Winkel, AMO’s technical project officer, industrializing these R&D concepts should align well with increasing deployment and reducing costs of wind power once implemented in a production environment.