Technical training
Blade Repair Standard / V5 23022026
A physical sample display of a cut-out square of glass fibre is recommended to give participants the adequate practical understanding of fibre orientation
Note
ELEMENT 18.2 - FIBREGLASS MATS
Learning objective:
145) The participants can describe the different types of fibreglass mats used in blades (Knowledge, basic level)
The instructor shall:
Define the terms ‘chopped strand’ (CS), ‘unidirectional’ (UD), ‘biaxial’ (biax), ‘triaxial’ (triax), ‘areal weight’ and ‘zero direction’ in relation to fibreglass mats used in composite laminate structures
Describe the terms ‘woven mat’ and ‘stitched mat’
Explain why stitched mats are used in wind turbine blades
Ask the participants relevant questions about the different terms used for describing fibreglass mats used in blade repair
The participants shall:
Describe in their own words and share their understanding of the different terms used for describing fibreglass mats used in blade repair
ELEMENT 18.3 - KINKED OR BENT FIBRES
Learning objective:
146) The participants can explain the consequences of kinked or bent fibres in a laminate structure (Knowledge, intermediate level)
The instructor shall:
Show an example and explain how easily glass fibres will break if they are kinked
Global Wind Organisation / www.globalwindsafety.org
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