SKU: AG-040

Torsion Unit

The unit is mounted on an anodized aluminum structure with epoxy-painted steel plates.

The main structure is supported on aluminium blocks. The two guide bars are made in stainless steel, the rest of the components are aluminium.

The two guides of the unit are for sliding the mobile clamp on it, testing bars with different length.

Mobile clamp located at one end that has a crank in the bottom to adjust the test bar to the desired length. It is made in stainless steel.

Fixed clamp, consists of two bearings which allow it to turn. It has an arm on which the force is applied. It has a notch which is placed at 60 mm from the longitudinal axis of the test bar, to carry out the measurements. The dial gauge should be placed on this notch to properly measure the deformation. The clamp is made in stainless steel.

Test bars: standard supply of 3 test bars: steel, brass and aluminium. They are 8 mm of diameter and 350 mm of length. They have marks every 50 mm, which allow the student to measure different lengths of the bars easily.

A Dynamometer up to 10 Kg, with a 50 g accuracy, to apply the forces on the test bar.

A Dial gauge  of 0- 10 mm, with 0.01 mm accuracy, to measure the deformation of the test bar subjected to the force.

All the necessary tools to carry out the experiments are provided. One Allen key of 3 mm is supplied to adjust the dial gauge and one Allen key of 4 mm supplied to tighten the clamps.

Manuals:

This unit is supplied with the following manuals: Required Services, Assembly and Installation, Starting-up, Safety, Maintenance & Practices Manuals.

1.- Verification of the elastic torsion equation of circular bars.

2.- Experimental determination of the relationship between the torsion moment and the shaft angular deformation.

3.- Experimental determination of the relationship between the test bar length and the shaft turn angle for a same torsional force.

4.- Experimental determination of the value of the Modulus of Rigidity for steel, brass and aluminium.


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