GWO Blade Repair Training Standard V2.0
2021-04-01_TS_BR_V2
Take responsibility for drilling injection and verification holes, and subsequently injecting structural adhesive to repair the bond line safely and effectively (Ability, intermediate level)
DEBONDING
Learning objective:
The participants can act independently in correctly identifying and documenting areas on a blade where the bond line has failed (Ability, intermediate level)
Training staff shall:
Define the term ‘ b ond line’ and describe where bond lines are located on a blade
Explain the possible defects that can occur within a bond line on a blade
Demonstrate how to identify areas in a blade where a bond line has failed by using tap testing and visual inspection
Create an exercise where the participants must identify areas where a bond line has failed
The participants shall:
Practice the ability to correctly identify and document areas on a blade where the bond line has failed
Training staff shall:
Give constructive feedback on the participants’ ability to correctly identify and document areas on a blade where the bond line has failed
INJECTION OF ADHESIVE
Learning objectives:
The participants can recognise the needs for caution, and follow a blade manufacturer’s work instruction when repairing bond lines that are located above structural parts (Knowledge, basic level) The participants can describe how to drill injection and verification holes through the laminate without damaging the underlying structural parts of the blade (Knowledge, basic level) The participants can describe how to inject structural adhesive into the area of debonding and how to verify that it has flowed across the de-bonded area (Knowledge, basic level)
Training staff shall:
Explain the need for caution and the need to follow a blade manufacturer’s work instruction when repairing bond lines that are located above structural parts like the spar or webs of the blade
Demonstrate how to identify the laminate thickness from a blade drawing
Explain how to drill injection and verification holes through the laminate without damaging the underlying structural parts of the blade
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