CompositesWorld
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RT IFIC AT AT FEBRUARY 2018 36 CompositesWorld WORK IN PROGRESS e curved sides, however, present more complex geometries that generally must be layered by hand. e machine was used for both the base shell and the hybrid spar cap. "For the hybrid carbon fabric, which is more sensitive than normal glass," Lund-Laverick says, "we developed a hands- off layup process to avoid wrinkles and other potential defects from manual handling." e spar web is a fiberglass/foam sandwich structure made using primarily biaxial layers and infused with the standard poly- ester resin. For quality control, LM employs the Six Sigma (Austin, TX, US) methodology. "During production, there is a strict suite of quality- control documents and procedures," including continual visual inspection of the blade, Lund-Laverick says. After cure, ultrasonic and visual inspection ensure the quality of the laminate. Following these inspections the blade halves were adhesively bonded in conventional fashion. Closure and post-cure operations After blade halves were adhesively joined, LM added its vortex generators, which compensate for the fact that large blades demonstrate relatively poor aerodynamic performance near the root. Designed for individual blade geometry and resem- bling small fins, they are injection molded and then adhered to C O M P O S I T E P R O C E S S M A T E R I A L S Aerospace Aerospace Aerospace Aerospace Aerospace & & Def Def Def ense ense ense Def Def Def Def ense Def ense Def ense ense ense ense Def Def Def ense CE CE CE RT RT RT E CE E CE RT RT RT RT CE CE RT IFIC IFIC IFIC RT RT RT RT IFIC IFIC IFIC IFIC RT RT IFIC AT AT AT IFIC IFIC IFIC IFIC AT AT AT AT IFIC IFIC AT IONS IONS IONS AT AT AT AT IONS AT IONS AT IONS IONS IONS IONS AT IONS AT IONS AT IONS Aerospace & Defense CERTIFICATIONS @DiatexSAS DIATEX SAS SocieteDiatex diatex.com France Pavillon France Pavillon France Pavillon France Pavillon Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 Booth G46 HALL 5A Booth J23 Your partner in Kitting P r o v i d i n g silicone tooling ADHESIVE PROCESSING MADE SIMPLE P rov i d i n g I n n ova t i ve D i s p e n s i n g S o l u t i o n s fo r O ve r 4 0 Ye a r s Ideal for robotic applications Durable stainless steel structure Streamlined maintenance saves time and money Efficient processing of polyurethane, epoxy, polyester, and other adhesives Highly accurate dispensing and spraying systems Ergonomic design and user-friendly controls Innovative. Simple. Reliable. | info@mvpind.com | www.mvpind.com COME SEE US AT JEC WORLD 2018 IN PARIS BOOTH V42, PAVILION 5 Find out more today at +1 (865) 245-9506