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The accuracy of electronic traction machine data refers not only to the testing accuracy of the device itself, but also to the operational quality of the testing machine operators. When the test accuracy of the instrument itself is stable, the testing machine operator must also pay attention to the following points to improve the accuracy of the test data of the electronic universal testing machine.
1. Electronic jig is styled correctly:
The holder of the elelectronic universal testing machine is also a very important part. The design of the mount is inappropriate. If the clamp test is close to the clamp part when the place is broken, the test data is invalid.
2. Whether the < >electronic traction machine test was previously reset:
All electronic universal testing machines have one memory function. If you start the test without deleting it, the data from the last test will be mixed up with the data from this test, so the calculation by the test machine system will not be accurate enough.
3. Electronic tension machineIs the pattern clamping correct:
Clamping Holding the specimen is a very important link in the testing process. The specimen is clamped correctly. During the straining process, the specimen only supports the Stress in the upper and lower directions. At this time, the test results are accurate. When the specimen is clamped. If it is skewed, the specimen bears tensile forces in multiple directions, and the test results are naturally inaccurate.
Four, Whether the stretching speed of the electronic traction machine meets the standard:
General It is said that each material has a corresponding test standard to indicate its tensile test speed. If the tensile speed is too fast or too slow, the test data will be different. If you want to improve the accuracy of the test data, be sure to follow the test standard to set the strain rate.
