Electro-hydraulic servo torsion fatigue test bench adopts electro-hydraulic servo control technology, which is suitable for static torsion test and dynamic torsion fatigue test of various transmission shafts and various shaft components.

Main technical indicators:

Maximum static torque: ± 5000Nm, indication accuracy ± 1%, accuracy range 2-100% FS;

Maximum dynamic torque: ± 5000Nm, indication accuracy ± 1%, accuracy range 2-100% FS

Test frequency range: 0.1-10Hz;

Main test waveforms: sine wave, triangular wave, square wave, T-shaped wave, static torsional oblique wave, etc;

Maximum angle: ± 45 °, angle resolution 1 ';

Servo pump station: flow 70L/min, pressure 21MPa, power 30KW, filtration accuracy 3 μ；

Control system: WinTest10 full digital hydraulic servo controller

Full digital hydraulic servo controller based on PCI bus;

Control mode: torque and angle are all digital PID closed-loop control, and the control mode can be switched smoothly and undisturbed;

Frequency range: 0.1-10Hz;

Main test waveforms: sine wave, triangular wave, square wave, trapezoidal wave, static loading oblique wave, etc;

Test signal measurement resolution: ≥ 1/100000, indication accuracy 0.005FS;

Signal generator accuracy: 0.01%;

Data acquisition frequency: 10KHz;

Data processing mode: the computer screen displays the test parameters and automatically draws the test curve.

Length of test piece: 0-600mm (can be customized according to customer requirements)

Display mode: computer screen displays torque, angle and frequency measurement values, automatically draws test curves, and automatically processes data;

The test process is automatically controlled, and the system has protection functions such as overload, overpressure, overtemperature and specimen fracture.