MTT Torsion Test Unit (30Nm)

7.3.2.1.- 机械测试 14.1.8.- 机械测试
TORSION TEST UNIT (30NM) - MTT

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The Torsion Test Unit (30Nm) "MTT" allows to test the fundamentals of torsion in bars, of different lengths and different materials, subjected to torsional loading until shear fracture.

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一般說明

To perform the tests, the test specimen is clamped and twisted by means of a flywheel and a worm gear until it breaks. The force is gradually applied to the specimen to observe the elastic strain produced. The specimen will deform and manifest itself as a twisting of the two ends of the specimen relative to each other.

The Torsion Test Unit (30Nm) "MTT" has a shaft attached to the test specimen where the moment of torsion is measured with strain gauges. By means of an angle measuring sensor it is possible to determine the torsion angle. This measuring system is movable by means of guides, so that it can be adapted to the different lengths of the test specimens.

Both moment and angle measurements can be visualized by means of digital displays on an electronic console. These measurement values can also be acquired through a computer with included data acquisition software.

Steel, brass and aluminum specimens of different lengths are supplied for practical exercises. All of them have hexagonal edges for fixing.

The unit has a transparent protective cover that provides protection against breakage of the test specimens and allows observing shear breakage.

練習和指導練習

手册中包含的指导实践练习

  1. Performance of torsion tests with different material specimens.
  2. Determination of the resistance to torsion.
  3. Study of the influence of the specimen material on the relationship between the moment and the angle of torsion.
  4. Study of the influence of the specimen length on the relationship between the moment and the angle of torsion.
  5. To determine experimentally the relationship between the torque moment and the angular deformation of the axis.
  6. To determine experimentally the relationship between the length of the test bar and the angle of rotation of the shaft for the same torsional load.

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