# MUN Hooke's Joint Mechanism

## INNOVATIVE SYSTEMS

The Hooke’s Joint Mechanism, "MUN", designed by EDIBON, allows the study of a Cardan joint shaft.

See general description

## General Description

The Hooke’s Joint Mechanism, "MUN", designed by EDIBON, represents a universal coupling, also called a U-joint, Hooke joint or Cardan joint. The Hooke joint is a universal mechanism that is often used to transmit rotary motion between two non-parallel but intersecting shafts.

The mechanism includes two universal couplings (Cardan joint) joined by an intermediate shaft, allowing the adjustment and reading of the angle between inlet shaft and other outlet shaft by means of graduated discs fixed on the base panel.

Both couplings are mounted on two graduated discs, allowing the reading of the rotation at the input and output.

## Exercises and guided practices

### GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

1. Study of a universal joint.
2. Study of two universal joints and intermediate shaft.
3. Demonstrate the action of a single and double universal joint by connecting two axes that have small angular and/or parallel misalignments.
4. Determine graphically the relationship between the angular displacements of two shafts connected by a single universal joint with different degrees of misalignment.
5. Graphically determine the relationship between the angular displacements of two shafts connected by a double universal joint with different degrees of angular and/or parallel misalignment.
6. Observation of the conditions for homokinetic joint.

### MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

1. Determination of the velocity and acceleration of the output shaft on a single Hooke´s joint by graphical differentiation.