Propeller metal edging is a structural design used to protect the leading edge of propeller blades. It is typically made of metal materials (such as hard aluminum alloy) and covers the leading edge of the blades to enhance durability and impact resistance.

1. Main functions and design features: The core function of metal edging is to protect the leading edge of the propeller blade, preventing damage caused by foreign object impact or wear, while enhancing corrosion resistance and extending the service life of the propeller. In terms of design, the edging is often integrally molded with the propeller blade or connected through processes such as bonding or riveting to ensure structural reliability.

2. Materials and Connection Processes: Common materials include hard aluminum alloys, which possess excellent strength and corrosion resistance. Connection methods vary depending on the type of propeller. Traditional metal propellers may utilize riveting or welding, while modern composite propeller blades are often secured with edge bonding through adhesive bonding.

3. Application Fields: This technology is widely applied in the aviation sector, specifically in propellers for drones, general aviation aircraft, and helicopters, to withstand mechanical and environmental loads in various flight conditions.

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