1. Purpose:

     The PWS-30 type electro-hydraulic servo shock absorber comprehensive performance testing machine is suitable for dynamic and static performance tests of various dampers, cylindrical shock absorbers and combined shock absorbers, including indicator tests of various automobile shock absorbers , Speed characteristic test, gas rebound force test, fatigue life (durability test), temperature characteristic test and lateral force loading test. The test method meets the relevant requirements specified in QC∕T491-2018 "Automobile Shock Absorber Performance Requirements and Bench Test Method".

2. Technical parameters

1. Maximum static test force: ±40KN, indication accuracy ±1%, accuracy range 2%-100FS.;

2. Maximum dynamic test force: ±30KN, dynamic fluctuation ≤±1%FS.;

3. Frequency range: 0.01-20Hz;

4. Maximum linear speed: 1.5m/s;

5. The maximum stroke of the actuator: ±100mm (full stroke 200mm), the indication accuracy is ±0.5FS.;

6. Waveform: indicator, linear velocity, sine wave, half sine wave, rectangular wave, square wave, triangle wave, trapezoidal wave, static loading ramp wave, etc.;

7. Constant pressure servo pump station: pressure 21Mpa, to meet the needs of the system.

8. Controller: full digital hydraulic servo controller; control mode: force and displacement closed-loop control;

9. The temperature control range of the environment box: -40ºC—150 ºC

10. Maximum test space (from the lower end of the actuator to the lower end of the working table): 300-1500mm;

11. Test space adjustment method: hydraulic lifting, locking beam;

12. Lateral force: 0-2000N

13. Data processing method: The computer screen displays the test parameters and automatically draws the test curve. The data processing method meets the relevant test requirements specified in the QC∕T491-2018 "Automotive Shock Absorber Performance Requirements and Bench Test Methods" standard;

14. Test stations: 1-5

15. Cooling device: optional.