MTB Unité de Torsion

7.3.2.1.- TEST MÉCANIQUE 14.1.8.- ESSAIS MÉCANIQUES
TORSION UNIT - MTB

SYSTEMES INNOVANTS

The Torsion Unit, "MTB", allows to verify the basis of torsion and to perform practical exercises to demonstrate: circular rods elastic torsion equation and the rigidity modulus of different materials.

Voir description générale

Expansions

ICAI

Logiciel Interactif pour l'Enseignement assisté par Ordinateur
MSAC

Système Modulaire d'Acquisition et de Contrôle

Laboratories

7TV
 Laboratoire de Mécanique, d'automobile et de Matériaux pour l'enseignement Technique et Professionnel
7HE
 Laboratoire de Mécanique, d'automobile et de Matériaux pour l'enseignement Supérieur

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Description Générale

The Torsion Unit, "MTB", allows to verify the basis of torsion and to perform practical exercises to demonstrate:

  • Circular rods elastic torsion equation.
  • The rigidity modulus of different materials.

To perform the tests a metallic rod is fastened by clamps and subjected to the testing force. Force is gradually applied on the rod to observe the elastic tension generated. The force moment or torque is applied by a dynamometer with a lever. Deformation generated by the torsional stress is obtained by reading a dial gauge in contact with the arm. The torsional deformation angle is obtained by a simple trigonometric identity, providing the unit with important didactic characteristics.

Steel, brass and aluminum rods are supplied to perform the practical exercises. Additionally, rods made of other materials can be employed.

Des exercices et pratiques guidées

EXERCICES GUIDÉS INCLUS DANS LE MANUEL

  1. Verification of the elastic torsion equation of circular rods.
  2. Experimental determination of the relationship between the torsion moment and the shaft angular determination.
  3. Experimental determination of the relationship between the test rod length and the shaft turn angle for a same torsional force.
  4. Experimental determination of the calue of the Modulus of Rigidity for steel, brass and aliminum.

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