Executive standards and main technical parameters of BOJAN single-channel electro-hydraulic servo fatigue testing machine

1. Main technical parameters:

1. The maximum static test force: ±50kN, accuracy ±0.5%, accuracy range 2%-100FS.;

2. Maximum dynamic test force: ±50kN; dynamic fluctuation 2%;

3. Actuator stroke: ±75mm, indication accuracy ±0.5%FS;

4. Number of loading channels: single channel

5. Control mode: full digital hydraulic servo coordinated control, coordinated loading;

6. Control mode: all digital force and displacement closed-loop control, the control mode can be switched smoothly;

7. Input waveform: sine, triangle, square wave, trapezoid, oblique wave, etc.;

8. Control frequency range: 0.1-25Hz;

9. Amplitude-frequency characteristics: at 3Hz, the amplitude is ±7mm;

10. Servo pump station: single set of 40L servo pump station, total flow 40L/min, pressure 21Mpa, total motor power 11KW (single maximum 15KW), filtration accuracy 3µ;

11. Servo valve flow rate: ≥100L/min.

Remarks: Oil source matching tailored for customers can save 40% of electricity consumption and reduce costs.

2. Executive standard: meet the inspection requirements of embedded channels

TB/T 3329-2013 Electrified railway catenary tunnel embedded channel

TB/T 2074-2010 Test method for electrical railway catenary components