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Diab Core Infusion

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How this technology can contribute to optimising wind blade manufacturing costs, thus helping toreduce the Levelised Cost of Energy (LCoE).

Diab is one of the leading suppliers of core technology to the wind market, manufacturing (balsa, pvc, pet) blocks, cutting them into sheets, finishing them, creating custom kits and through its extensive process knowledge, supporting customers to and specifiers to optimise blades (and nacelles), by using Diab Core Infusion

“Focusing on the ‘total blade cost”

DIAB has worked closely with several blade manufacturers who have applied this approach successfully. In the case of a dedicated blade production facility, the typical plant manager's KPI focuses on producing the maximum number of blades, to the highest quality at the lowest total cost, on time, in full. Consequently, by using DIAB's experience of optimising core infusion materials, finishing and kits, together with its considerable composites processing experience, real-time savings can be achieved, by reduced resin, reducing consumables such as mesh, speeding the infusion time, and enhancing laminate quality to reduce rework.

Such an approach is only possible in a collaborative, partnership way and utilising a cross-functional team from the blade manufacturer and supplier alike. By utilising everyone's respective expertise in a creative ‘open’ environment, massive benefits can result.

Within wind, every small cost saving can add up significantly because of the volumes involved. The authors have sought to demonstrate that, with an open mind and creative thinking in a collaborative way, within the area of core materials, there is considerable opportunity to deliver benefits. DIAB has an unrivalled reputation of using technical application knowledge in collaboration with customers globally, both through its ‘hands-on’ technical service team, and independent Composites Consultancy Group (CCG), which can take on confidential, specific tailored programs.

The opportunity for the industry is high. The basic demand for global electricity is rising and wind can provide this competitively in the years ahead, if all stakeholders can align to meet the aforementioned challenges.