a) The fastener testing machine adopts a built-in controller, which ensures that the testing machine can realize constant velocity displacement control;

b) The fastener testing machine adopts AC servo motor, which has stable and reliable performance and has protection devices such as overcurrent, overvoltage, overspeed, and overload. The speed regulation ratio can reach 1:5000;

c) The electrical control circuit refers to the international standard, conforms to the electrical standard of the national testing machine, and has strong anti-interference ability, which ensures the stability of the controller and the accuracy of the experimental data;

d) Automatic gear shifting: automatically switch to the appropriate range according to the load size to ensure the accuracy of the measurement data;

e) Condition saving: test control data and sample conditions can be made into modules, which facilitates batch testing;

f) Automatic transmission: The speed of the moving beam during the test can be changed automatically according to a preset program, or it can be changed manually;

g) Automatic calibration: the system can automatically realize the calibration of the accuracy of the indication;

h) Automatic save: the test data and curve are automatically saved when the test is over;

i) Constant force retention: According to the customer’s testing requirements, the equipment can maintain a certain force value for a period of time.

j) Process realization: the test process, measurement, display and analysis are all completed by the microcomputer;

k) Batch test: For samples with the same parameters, they can be completed in sequence after one setting;

l) Test software: Chinese WINDOWS interface, menu prompt, mouse operation;

m) Display mode: data and curves are displayed dynamically along with the test process;

n) Curve traversal: After the test is completed, the curve can be re-analyzed, and the test data corresponding to any point on the curve can be found with the mouse;

o) Curve selection: The stress-strain, force-displacement, force-time, displacement-time and other curves can be selected for display and printing according to needs;

p) Test report: The report can be prepared and printed according to the format required by the user; it has a network interface, which can be used for data transmission, storage, printing records and network transmission printing.

Local area network or Internet network connection;

q) Limit protection: with two levels of program control and mechanical limit protection;

r) Automatic shutdown: After the sample is broken, the moving beam will automatically stop;

s) Overload protection: When the load exceeds 3-5% of the maximum value of each gear, it will stop automatically; the test results are obtained in two modes of automatic and manual, and the report is automatically formed, so that the data is analyzed