I believe that the pull test machine is no stranger to everyone, let's take a look at what the pull test machine will do before work:
1. Check the equipment: Check the connection of the power supply, computer and host of the tensile tester. After the power is turned on, use the computer software to make the beam rise and fall to see if the test machine is running normally. Whether each function is flexible or not.
2, the installation of the sample: First, the end of the sample should be clamped in the upper jaw, then adjust the moving beam to the appropriate position, and then the extensometer is stuck in the middle of the sample (if deformation measurement is not required, then Instead of installing an extensometer, remove the locating pin of the extensometer, then “zero†the displayed values ​​of force and deformation, and finally clamp the lower end of the sample with the lower jaw.
3. Parameter setting: Select the test standard and sample parameter setting in the data option of the test control panel. Enter the test standard, sample number, original size, original standard moment, and so on.
4. Pre-tightening control: Since there is a certain gap in each part of the horizontal testing machine, in order to eliminate these gaps, the displacement control method is adopted at the beginning of the test, and the program automatically switches to the force control when the force exceeds the specified value, and Force control at the set speed.
The above is the tensile test machine will do a good job before work, so everyone must do these work before work.
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