CAD/CAM Concepts Mechanical Basics

What is the Design Procedure for Cotter Joint?

Design Procedure for Cotter Joint: Cotter’s joint is used to connect two rods subjected to compressive or axial tensile loads. It is not at all suitable to connect rotating shafts which transmit torque.Cotter joint is widely used to connect the piston rod and cross head of a steam engine,as a joint between the piston rod and the tailor pump rod, foundation bolt etc.In this article,I am going to publish about the Design Procedure for Cotter Joint.

What is the Design Procedure for Cotter Joint

The Design Procedure for Cotter Joint is made to calculate:

  • Diameter of each rod
  • Thickness of the cotter by emperical relationship
  • Diameter of the spigot  on the basis of tensile stress
  • Shear failure
  • Crushing failure of spigot etc.

The formulas required for knuckle joint to calculate the above conditions is shown below:

formulaes of cotter Joint
formulaes of cotter Joint

The remaining part for the design procedure of a cotter joint is presented in the form of video which is shown below.

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The detailed explanation for the design Procedure for Cotter Joint is shown below in the form of video.

This is the complete explanation of the Design Procedure for Cotter Joint which is shown in a detailed manner. If you have any doubts, feel free to ask from the comments section. Please Share and Like this blog with the whole world so that it can reach to many.



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