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With the rapid advancement of science and technology, the testing machine industry has experienced significant growth. Earlier models, such as those with manual disc readings, cumbersome operations, and poor material performance evaluation, have been gradually phased out. Today, hydraulic universal testing machines have become the standard in the market. They are a direct result of technological progress and are widely used to evaluate the tensile, compressive, and bending properties of various materials, including metals like steel and copper rods, as well as non-metals such as castings, cement, and concrete.
The process of conducting a tensile test on metal materials using a hydraulic universal testing machine involves several key steps:
(1) Choose an appropriate tensile fixture and securely install it.
(2) Power up the system in the correct order: start the display, printer, computer, industrial computer, launch the test software, and then activate the hydraulic source.
(3) Enter the test interface, select the desired test method, and set the required parameters. Measure the sample dimensions and input the relevant data into the system.
(4) Securely mount the tensile specimen onto the testing machine.
(5) Attach an extensometer to accurately measure the deformation of the material during the test.
(6) Reset the sensor reading, switch the control to the load position, open the oil supply valve, and click the "Run" button to begin the test.
(7) The machine will automatically save all test data once the specimen breaks and will close the oil supply valve.
(8) Remove the broken specimen and open the return valve to reset the system.
(9) Shut down the system in the reverse order: first turn off the hydraulic source, then exit the test software, shut down the industrial computer, computer, display, and finally the printer.
As seen from the above procedure, the hydraulic universal testing machine offers a simple and efficient way to assess the mechanical properties of materials. Its high level of automation allows the measuring system to collect and process data automatically, eliminating the need for manual data entry and calculations, thereby reducing human errors and improving accuracy. This makes it a highly reliable and popular choice among engineers, researchers, and quality control professionals. It is extensively used in industries such as metal manufacturing, machinery, construction, boiler production, academic research, and quality inspection centers. In laboratories, it is one of the most commonly used instruments for material testing.