Technical training
Blade Repair Standard / V5 02052025
ELEMENT 30.4 - REPLACEMENT CORE
Learning objectives:
290) The participants can act independently in correctly sizing and shaping the replacement core material in a sandwich panel repair (Ability, intermediate level)
291) The participants can act independently in correctly measuring, cutting and shaping replacement core material so that it matches the profile shape of the surrounding core material with a gap of less than two millimetres on all sides in accordance with a work instruction (Ability, intermediate level) 292) The participants can act independently in bonding the replacement core material, and correctly curing the chosen material with heat and a vacuum in accordance with a work instruction (Ability, intermediate level)
The instructor shall:
Explain the requirement for the gap between the existing and replacement core material to be less than 2 millimetres
Demonstrate:
a. how to measure, cut, and shape the replacement core material to match the profile of the surrounding core material
b. how to apply the replacement core material to the sandwich panel, how to bond it into place using lamination resin or structural adhesive, and how to cure it using a vacuum and heat
c. how to repair the outer laminate following the replacement of the core material
Facilitate practice to improve the participants’ ability to, in accordance with a work instruction:
a. correctly measure, cut, and shape replacement core material so that it matches the profile shape of the surrounding core material with a gap of less than two millimetres on all sides
b. bond the replacement core material with either lamination resin or structural adhesive, and to correctly cure the chosen material with heat and a vacuum
Give constructive feedback on the participants’ above practice
The participants shall:
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