What is the primary purpose of using rivets in aircraft assembly?

The primary purpose of using rivets in aircraft assembly is to ensure joint integrity and strength. Rivets create a strong mechanical bond between two or more pieces of sheet metal, which is critical in maintaining the structural integrity of the aircraft. This strength is vital, especially in aviation, where components are subjected to various stresses during flight, including pressure changes, vibrations, and loads. The durability of riveted joints helps to withstand these forces, ensuring that the aircraft remains safe and reliable.

While other factors, such as weight reduction, cost savings, and aesthetic design, are important considerations in aircraft design and manufacturing, the foremost function of rivets is to provide a robust and secure connection to enhance the overall structural performance. Thus, the emphasis on joint integrity and strength underscores why rivets are integral to aircraft assembly.