Technical training
Blade Repair Standard / V4 2023-05-02
210) Take responsibility for selecting the correct PPE, equipment and method to grind safely and effectively (Ability, intermediate level)
ELEMENT 24.1 - GRINDING
Learning objectives:
211) The participants can describe the health and safety risks associated with working with a grinder and how to mitigate those risks (Knowledge, basic level) 212) The participants can act independently in safely performing the accurate grinding of composite materials to reveal the fibre orientation, and create overlaps and/or scarf joints to existing material prior to applying repair layers (Ability, intermediate level)
The instructor shall:
Lead a discussion about the health and safety risks associated with working with a grinder by considering the ergonomic implications, including vibration, the dust produced, the electrical hazard, flying debris, noise and the risks posed by high-speed rotating tools Demonstrate how to mitigate those risks by means of body positioning, adequate breaks, correct PPE, pre-use tool inspection, and electrical safety devices such as residual current devices
Explain the different grades of grinding disc available
Demonstrate how to recognise and replace a worn grinding disc
Demonstrate how to safely use a grinder to accurately grind a composite structure to reveal the fibre orientation, and create overlaps and/or scarf joints of the correct dimensions in each layer of laminate
Facilitate practice to improve the participants’ ability to:
a. select and correctly use the appropriate PPE for the task and perform a pre-use tool inspection before working with a grinder
b.
recognise and replace a worn-out grinding disc
c. safely use a grinder to accurately grind composite materials to reveal the fibre orientation, and create overlaps and/or scarf joints of the correct dimensions in each layer of laminate
Give constructive feedback on the participants’ above practice
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