The sample is fixed on the workbench through the fixture tooling, the front and rear distance can be adjusted by the handle wheel 1, and the adjustment distance is 200mm front and rear, and the upper and lower distance can be adjusted by the handle wheel 2, and the height can be adjusted to 150mm, and the handle wheels 1 and 2 can be adjusted to the corresponding Finally, the test method is set by the computer to make the loading head of the machine apply pressure to the sample, and various test data and test curves are obtained.