Acrosoma 3D panels for road and wind

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1 Acrosoma 3D panels for road and wind ir ir Jan Jan Verhaeghe, CEO CEO Composittrailer Composittrailer Nordic Nordic Composite Days Days 1 Aalborg, August 25th 2008 Aalborg, August 25th 2008

2 Structural Composites Technology 2

3 Mission statement: Be an expert in design and production of Dynamic loaded lightweight composite structures. Market Acrosoma Panels and Acrosoma Panel technology using Composittrailer technology. 3

4 MARKETS PRODUCTS Road Transport Aerospace Wind Turbines Specific projects Containers Container chassis Spars for lifting equipment Frames for production equipment Spars for Wind Turbine Blades Specific products 4

5 1993: take over Carrosserie Stevens ( 1870) 1997: take over SEFA ( 1935) 1998: new facilities in Lokeren (6000m²) 2000: start up Composittrailer History : transformation of an engineering and production company from working with steel to working with composite materials 5

6 TRUCK HOOK LIFT CONTAINERS TRUCK HOOK LIFT CONTAINERS Specific markets: Agricultural products Aggressive materials 6

7 20ft tank container chassis 7

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12 initially start up target: Composittrailer project become a major trailer builder radical innovation: important technology build up Introduction of a new material in an existing market with a lot of + but also - difficult and slow start up And millions of of km experience in in typical Heavy chasm dunamically of the market loaded composite structures child diseases incremental reaction of the steel and aluminium market 12

13 Trailer project Acrosoma Tri dimensional Panel Production technology: Assembling Composite structures Filament Winding Engineering technology Composite structures VRTM In house Testing Build up of unique in house Composite Structural Technology 13

14 TECHNOLOGY Road Transport Aerospace Wind Turbine Container Container chassis Rotor blade A 380 A 350 Customer Spars projects X 14

15 Temperature indifference Weight 7,5 ton 35 ton Damage proof Integrated Structural Health Monitoring Cost Acrosoma structure << << Invar Short production delivery time 15

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18 tri-dimensional stitched panel Continuous production Combination of tufting and pultrusion Global patent 18

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24 COMPONENT foam Skin lay up z-stitch resin Overall dimensions MATERIAL polyurethane Phenolic foam PVC Microterm Composed glass mats Woven high tensile steel Woven Aramide Woven carbon fibre Combination Aramide nylon high tensile steel vinylester polyester epoxy polyurethane Cementitious resins Width Thickness 24 Shaped

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26 2,78 meter 2,78 meter 26

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28 Acrosoma panel Continuous production Fast = 150 m²/hour Length to order Continuous quality Flexible fibre composition on line High technical performances Light weight structural material High Buckling resistance High strength and stiffness Optional Integrated on line structural health monitoring Integrated steel = lightning deflection 28

29 Acrosoma is the ideal material for spars in Wind turbine rotor blades 29

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31 Acrosoma spar sandwich panel 3 point bending test Same skin composition and identical foam: 33% more buckling resistant damaged Acrosoma > not damaged sandwich panel damaged sandwich panel = lost blade Standard sandwich panels buckling starts on impurities safety factor of >2 Compare Acrosoma with sandwich panel made with safety factor 31

32 Advantages of the Acrosoma spar: production and material cost cutting Existing blades Fast production of spar panels upon specification Short lead times Panels cut to customer specifications possibility of putting the flanges on New blades for rotor blade manufacturing 50% weight and cost reduction on spars Other combinations possible 32

33 HUSUM WINDENERGY COMPOSITES EUROPE 33