Product Details

This apparatus is designed to perform torsion tests on metal specimens to determine key material properties such as torsional strength, shear modulus, and ductility under twisting loads. It is used to study how factors like material type, specimen length, and cross-sectional diameter affect behavior of a material when subjected to pure shear stress until failure. The machine features a motor-driven system that applies a controlled torque to the specimen, with a maximum capacity of 200 Nm. A load cell measures the applied torque, while an encoder precisely records the angle of twist. These values are displayed in real-time on a touch LCD, and the data can be transmitted to a PC for live visualization of the stress-strain curve. The unit includes a comprehensive set of specimens made from steel, brass, and aluminum, in various lengths and diameters for comparative testing. Its primary application is in materials science and mechanical engineering education for teaching failure analysis and material strength. The key benefit is the hands-on ability to generate and analyze torque-twist diagrams, enabling students to calculate shear modulus, identify yield points, and understand the torsional failure modes of different materials, which is crucial for designing shafts, couplings, and other rotating components.