With the rapid development of science and technology, the testing machine industry has also developed rapidly. The universal testing machine with previous disc reading, heavy operation and unsatisfactory material performance has been eliminated. Nowadays, the hydraulic universal testing machine is more common on the market. It is the product of the development of science and technology. It is used to test the tensile properties, compression properties, bending properties and other performance indexes of steel, copper rods, casting materials, cement, concrete and other metal and non-metal materials. The main steps of the universal testing machine to test the properties of metal materials in the tensile test:
(1) Select a suitable stretching fixture and install it;
(2) Boot in this order: display → printer → computer → industrial computer → start test software → hydraulic source;
(3) Enter the test window, select the test method, set the test parameters; measure the sample size, and input the relevant test parameters;
(4) installing a tensile specimen;
(5) Install an extensometer to detect deformation of the material;
(6) The sensor indication value is cleared, the switch is switched to the load position, the fuel supply valve is opened, and the “Run†button of the test window is clicked to enter the test state;
(7) until the sample is broken, the equipment will automatically save the test data and close the oil delivery valve;
(8) Remove the sample and open the return valve
(9) Shutdown sequence: hydraulic source → exit test software → industrial computer → computer → display → printer.
It can be seen from the above test process that the mechanical properties of the material tested by the hydraulic universal testing machine are simple and convenient, and the degree of automation is high. Since the measuring system of the testing machine can automatically collect data and automatically process the data, the process of data recording and data calculation is omitted, and many human errors are avoided, so that the measurement result is more accurate. Therefore, the hydraulic universal testing machine is favored by users and friends. It is widely used in metal materials, machinery manufacturing, iron towers, boiler manufacturing, universities, quality inspection centers, etc. It is a common testing equipment in its laboratory.
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