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Cotter Joint

Cotter Joint Points : Cotter Joint, what is Cotter Joint, Definition Cotter joint is flat wedge shaped part of rectangular cross-section with its thickness is tapered as of one end to an extra for a simple adjustment. Taper vary as of 1 in 48 to 1 in 24 with it might be amplified up to 1 in 8, if a locking mechanism is give. Locking device might be taper pin or a set screw use on lower end of cotter. Cotter is generally prepared of mild steel and wrought iron. Cotter joint is provisional fastening with is use to attach firmly two co-axial rods and bars which are subjected to axial tensile or compressive forces. It is generally use in linking a piston rod to crosshead of a reciprocating steam engine, a piston rod by its extension as a tail or pump rod, strap end of connecting rod and so on.

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