In Cotter Joint Spigot Fails by?

The various modes of failures in cotter joint are discuss below: Failure of the rods in tension. Failure of the spigot in tension across the weakest section. Failure of the rod or cotter in crushing.

What is spigot in cotter joint?

A cotter joint, also known as a socket and spigot joint, is a method of temporarily joining two coaxial rods. One rod is fitted with a spigot, which fits inside a socket on one end of the other rod. Slots in the socket and the spigot align so that a cotter can be inserted to lock the two rods together.

What will be the shearing area of the cotter if it fails?

6. 5. Failure of cotter in shear. Since the cotter is in double shear, therefore shearing area of the cotter = 2 b t and shearing strength of the cotter = 2 b t τ Equating this to load (P), we have P = 2 b t τ From this equation, width of cotter (b) is determined.