Often sitting next to the aircraft wing passengers will find that there are more than 10 bolts on the wing. Many passengers will be puzzled and even contradicted by this issue. They think that the bolts are not so solid, and they are not smooth and ugly, so they are not suitable for use on the airport. Indeed, compared with welding and riveting, the connection compressive strength is high and the tightness is good. The lantern folding rivet is also selected by metallurgical industry fusion, so the compressive strength is better, and the connection cost is lower, which is convenient to use!

However, the natural environment encountered in the flight of the airport is very complex, so we can not select the method of tight connection only from the shape and compressive strength of the joint! The airport has to bear great friction resistance when sailing. It is necessary to have a distinctive shape design and lightweight design scheme. Too heavy load will make the airport bear a great risk. Therefore, the wholesale of semi hollow rivets must abandon the welding method with significant weight gain, and choose the relatively light riveting which is more effective. In addition, welding is very easy to deform There is no advantage in connecting thin parts, and it is not very convenient to detect, which must be considered!

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