Knuckle joint design and analysis

  • What is knuckle joint in engineering drawing?

    Last updated on Apr 14, 2023.
    A knuckle joint is a mechanical joint that connects two rods or pipes at an angle, allowing limited angular movement and rotation between them.
    It consists of a spherical ball and socket joint, with a cylindrical extension called the knuckle.Apr 14, 2023.

  • What is the specification of knuckle joint?

    Metacarpophalangeal joint (MCP): Also called the knuckle, this is where the finger bones meet the hand bones.
    On each finger and the thumb, a metacarpal bone connects to the proximal phalanx.
    The carpal bone that connects to the thumb's MCP joint is the trapezium..

  • What is the structure of the knuckle joint?

    A knuckle joint is a mechanical joint that connects two rods or bars at an angle, allowing limited angular movement.
    It consists of a pin or rod inserted into a series of alternating holes in the two components, enabling rotation and axial movement.Apr 14, 2023.

  • A knuckle joint is a mechanical joint that connects two rods or bars at an angle, allowing limited angular movement.
    It consists of a pin or rod inserted into a series of alternating holes in the two components, enabling rotation and axial movement.
  • Knuckle joint is a mechanical joint used to connect the two intersecting shafts whose axes lie on the same plane with the help of a knuckle pin.
    It allows small angular movement between the shafts.
    It is produced to withstand tensile loads.
    Applications : .
    1. Support for wheel assembly
A knuckle joint joins two rods and is a tensile joint. This joint allows for angular misalignment of the rods and can resist compressive loads when appropriately directed. These joints are used to make a variety of connections, including tie rods and tension links in bridge systems.
The Knuckle Joint consists of the single eye, the fork (double eye), the knuckle pin, the collar, and the tapper pin. One of the rods has an eye at the end that fits into the fork's jaws, while the other rod is shaped like a fork. A cylindrical pin is placed through the fork and eye holes.
A knuckle joint was modelled in CATIA and analysed using Finite Element Analysis (FEA). The problem was fixed using. ANSYS version 15, a commercial finite 

How to design a knuckle joint?

Design of knuckle joint is modeled using solid works

For analysis, ANSYS is used and first step is to create a mesh of knuckle joints

It is necessary to create a high-quality mesh for better analysis, so we set the size type to hex dominant and set the size value to 2 mm

Figure 2 shows the meshed model of knuckle joint

How to study knuckle joints using Ansys software?

To study the stresses of different materials by using the ANSYS software

Design of knuckle joint is modeled using solid works

For analysis, ANSYS is used and first step is to create a mesh of knuckle joints

It is necessary to create a high-quality mesh for better analysis, so we set the size type to hex dominant and set the size value to 2 mm

What causes knuckle joint failure?

Any of the following modes can result in the failure of a knuckle joint: the crushing of pin, shear failure of the pin and the tensile failure of the flat end bar (Patil, 2016)

In this paper, a finite element analysis of a knuckle joint assembly is done with different design constraints and materials using ANSYS workbench


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