In the uniaxial tensile test, an extensometer is used to measure the elongation or the contraction of the test piece, which must be properly attached to the test piece. At the Institute of Metallic Materials and Technologies, the string method is used on the extensometer for
measuring deformations at elevated temperatures, which isn't the most effective. Our task was to develop a device, that will be able to properly attach the extensometer to the test piece, while at the same time being easy and quick to use. First, it was necessary to determine all the requirements and wishes of the Institute, then we conceptualized our product with the help of the development and construction process. In the end, we prepared the main drawing of the structure.
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