Classification of aircraft structure fasteners that you can understand at a glance

The fasteners on the aircraft, except for the bolts and screws that can be repeatedly disassembled, are all kinds of "rivets" (the reason why the quotation marks are used because some classifications are actually not the rivets we often say). The importance of rivets in aircraft structures is mentioned in the previous article, The Real Causes and Effects of the Disintegration of the Comet in the Harvey Rand. Appropriate application is very important.

Today, we will briefly introduce the classification and installation diagram of the rivets on the aircraft. Small C is not a professional structure, but just has the information on hand, so I can share it. Welcome to add and correct.

Aircraft structural fasteners

1, Solid rivet

Aircraft structural fasteners

This is probably the most common rivet we have. Internships or license-based training in schools should be in contact. The installation requires a top iron fit, which requires two people to work together.

2, Blind rivet

This type of rivet is common when the aircraft is temporarily repaired. For example, the outer skinned skin is hit by the rivet, and the internal structure is not easy to access. It may be recommended to use the rivet to repair the manual first.

3, Blind bolt
Installation is a bit like "Blind rivet"

4, Threaded Pin

The most common type of this is Hi-lock. If you remember correctly, the A320 aircraft fan fairing on the oil service close to the cover is installed in this way. When we use a sleeve to rotate the nut, when the pound force reaches a certain value, Collar on the nut will break from the "cutting groove".

5, Swaged Pin

I call it a press-fit rivet, which is the riveting requirement by forcing the Collar on the rivet into the groove of the PIN during the riveting process.


6, Taper-lok Pin

Such rivets are generally made of steel or titanium alloy, and should be mounted in a position that requires tight fit and high strength requirements.

Finally, with two names and sources of various standards, we know that many fasteners have special codes at the beginning, such as NAS, MIL, etc. The following is for reference only.

Postal Scale

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