CompositesWorld

MAR 2017

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MARCH 2017 42 CompositesWorld PLANT TOUR material that does the job, but in helping the blademaker optimize and improve its manufacturing operations all around. Hexion not only built a resin manufacturing facility in Itatiba, Brazil, to serve Aeris and the rest of the domestic market, but Hexion personnel are routinely at Aeris to provide technical and other assistance. "Hexion's support has helped us be competi- tive," says Lolli. "It is a partnership we have with Hexion, and not just in a commercial sense." Finishing After they are laid up, infused, bonded, assembled and have their roots attached, all non-Vestas blades are transferred to the finishing building for painting prep (Fig. 7, p. 41). Here, workers FIG. 9 Turbine-ready product, prepped for travel Finished blades are lined up at the Aeris facility and prepared for shipment. Aeris manufactures about 2,000 blades per year for turbine manufacturers WEG, GE, Acciona and Vestas. Source | Wellington Fernandes the roof line. Inside, stacked almost to the ceiling, are hundreds of epoxy containers, and several of adhesive bonding paste. Most of the epoxy resin, and all of the bonding paste used at the Aeris facility is supplied by Hexion (Columbus, OH, US). e resin is Hexion's RIM 035C, designed for infusion and used for all non- Vestas blades. e bonding paste originally supplied to Aeris was Hexion's RIM BP135G3, but that is increasingly being replaced by the new RIM BP535, which Hexion says offers better exotherm properties and much improved mechanical properties (Fig. 6, p. 40). For the occasional hand layup and repair work that must be done on blades, Aeris uses Hexion's HLU L135 resin system. Hexion's presence at Aeris is substantial and longstanding. Indeed, Lolli credits the resin supplier with not only providing www.geiss-ttt.com HIGH PERFORMANCE CNC MACHINERY AND TOOLING ADVANCED CUTTING SYSTEMS AVAILABLE 203.988.9426 info@geissllc.com • LASER CUTTING • ULTRASONIC KNIFE • ULTRASONIC ROTATING DISK • INTEGRATED DUST EXTRACTION • CONVENTIONAL MILLING & ROUTING H i g h T e m p e r a t u r e B o n d T o o l s • BMI • Epoxy M i l l F i x t u r e s P r e s s u r e I n t e n s i f i e r s / C a u l s B a c k u p S t r u c t u r e M a t e r i a l s • Panels, Tubes, Angles B a c k u p S t r u c t u r e K i t s C O M P O S I T E T O O L I N G 6262 W. 34th Street South ● Wichita, KS 67215 Phone: 316-946-5900 ● Email: Sales@BurnhamCS.com

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