Operation steps of steel strand tensile test machine [Information]

The quality of building materials directly determines the quality of building buildings. A variety of building materials must be used in the construction industry. Each material must undergo quality inspection before production and use, which also includes the detection of the mechanical properties of the material itself. Steel strands are a metal material commonly used in building bridges and buildings. A steel strand tensile tester is an instrument that detects its mechanical properties.

The tensile test of each steel strand includes the test of tensile, bending, bending, and shearing of the material. The steel strand tensile tester can determine the tensile strength of the steel strand, the specified non-proportional extension strength, elastic modulus, elongation and other mechanical properties. It is an ideal testing equipment for industrial and mining enterprises, scientific research institutions, colleges and universities, engineering quality supervision stations and other departments. Some users will ask how to operate the steel hinge tension test machine? The following is a technical staff of our company to share with you this issue.

Operation steps of steel strand tensile testing machine:

1. Prepare enough samples, with the length of the samples being about 1000mm.

2. Start: Turn on the computer first, then turn on the host computer.

3. Parameter settings: Select the test data option in the test report column; enter the environmental conditions correctly.

4. Clamping sample for steel strand tensile testing machine:

1. Turn on the steel strand tension test machine, press the power supply to open, press the oil pump start switch, start the oil pump motor, adjust the rotary handle of the oil supply valve to raise the test stand by about 5mm, and adjust the position of the lower beam through the button on the manual control box. The lower beam and the test stand have no less than 250mm up space for the test stand. Press the "Release" and "Clamp" button on the hand control box to clamp one end of the sample, then clear the load, and then clamp the lower jaw to clamp the other end of the sample. When determining the maximum tensile strength of the steel strand, an aluminum sheet of 1.5mm thick L14*14*180 with cartilage attached to the sample should be fixed on the sample at both ends of the sample, and then put it in the jaws and clamped it.

2. Clamping the extensometer, clamp the extensometer of the steel strand tensile tester in the middle part of the sample, and pull out the iron sheet that adjusts the extensometer range. After the load exceeds the yield strength during the test, tap the space bar on the computer keyboard and remove the extensometer to prevent damage to the extensometer.

5. Test process of steel strand tensile testing machine:

Close the oil return valve, monitor the rate display, open the oil supply valve to load, and in the elastic stage of the sample, the load rate remains basically stable and unchanged, and the load rate can be appropriately accelerated after passing the yield point. At this time, the load value, deformation amount and test rate of the sample are displayed on the load, deformation and rate display windows respectively until the test is completed. After the test is completed, press the hand control box to remove the sample. Close the oil supply valve, open the oil return valve, and press OFF to close the oil pump motor. Save and print the test results.

6. Turn off the main power of the steel strand tension tester, turn off the computer power, and the test is over.

To sum up, it is about how to operate the steel hinge tensile test machine? This question is related to the relevant introduction. The operating steps of each tensile test machine vary depending on the test objectives, especially the use of fixtures, which require the correct fixture to be matched with the material to be tested. Otherwise, the detection results will be affected. Hope it can help you.

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