Suspension fatigue and durability tester for various vehicle suspension test beds.

　　Various vehicle suspension test stands mainly test the mechanical properties such as endurance fatigue, fracture fatigue, telescopic fatigue, fatigue life and low cycle fatigue for quarter suspension, one-sixth suspension, multi-link independent suspension, shock absorber, guide arm and stabilizer bar of automobiles, cars, locomotives and commercial vehicles.

No.	Parameter	Details
1	Maximum Static Test Force	15kN / 30kN / 50kN / 100kN / 200kN / 300kN
2	Maximum Dynamic Test Force	15kN / 30kN / 50kN / 100kN / 200kN / 300kN
3	Actuator Maximum Amplitude	±150 mm (Accuracy: better than ±0.5% FS)
4	Frequency Range	0.01 - 15 Hz / 0.01 - 50 Hz
5	Force Value Effective Measurement Range	1% - 100% (No step throughout the process)
6	Force Value Indication Accuracy	Better than ±1%
7	Maximum Displacement Measurement	200 mm
7a	Dynamic Displacement Control Accuracy	≤ ±0.5% FS
7b	Dynamic Force Control Accuracy	≤ ±1%
8	Displacement Indication Accuracy	±0.5% FS
9	Control Modes	• Constant value fatigue test under pre-pressure • Deformation fatigue test under pre-pressure • Constant value fatigue test under preloading deformation • Fixed edge shape fatigue test under preloading deformation • Constant deformation endurance test (with force attenuation unqualified judgment function) • Constant test force endurance test (with deformation increase unqualified judgment function), etc.
10	Test Waveforms	Sine wave, triangular wave, square wave, oblique wave, combined wave
11	Loading Platform	3200 × 1600 mm
12	Reaction Gantry	Designed along 3.2M width; Upper/lower test height: 1.5M; Load capacity: ≥30 kN
13	Main Engine Overall Dimensions	Approx. 3200 × 1600 × 2500 mm
14	Special Test Fixtures	Customized according to user-provided test piece drawings