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Practice for testing machine steel strand stretching
Practice for testing machine steel strand stretching
1 open the oil valve piston rises to 5 to 10mm
2 enter the software click new test steel strand tensile test window, input parameters, and the test force, displacement, deformation and clear, don't click on run.
3 clamping the steel wire (Note: both ends of the steel strand clamping part bandage cloth, height of about 180mm).
4 open the oil valve pretension force test about 20KN, then fixed load (Note: this step software don't click on run)
The 5 clamping extensometer (Note: the extensometer must clamp)
6 deformation reset (Note: stress and displacement shall not clear)
7 unplug the drawing pin on the software running, click the uniform load.
8 software that pick the extensometer, speed and extensometer (Note: this process do not close the oil valve)
9 continue to test the specimen breaks down, testing is completed, close the oil valve, remove the specimen, open the oil return valve oil return;
Test data of 10 view, finishing, printing! (see details of the software specification)
11 continue to test, repeated 2 - 8.
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