Technical training
Blade Repair Standard / V5 02052025
ELEMENT 18.2 - FIBREGLASS MATS
Learning objective:
161) 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 - FIBRE ORIENTATION AND MOULDING THEORY
Learning objectives:
162) The participants can explain the importance of fibre orientation in a laminate structure (Knowledge, intermediate level)
163) The participants can act independently in safely producing two, 2-3-layer flat laminate panels covered on one side with gelcoat in accordance with a work instruction and drawing, creating one with epoxy and one with polyester resin systems and in accordance with a work instruction (Ability, intermediate level)
The instructor shall:
Explain the exercise and show the participants where the required materials and tools are stored
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