1. Purpose: PLS-50 electro-hydraulic servo drive axle housing torsion fatigue testing machine is mainly used for torsional fatigue test of drive axle housing.
2. Main technical indicators:
1. Maximum static test force: ±20kN, calibrated according to 1, 10 attenuation multiples, and the display accuracy is ±1% from 20% for each file.
2. The maximum dynamic test force: ±20kN, the amplitude fluctuation is not greater than ±1%FS for each gear.
3. The maximum amplitude of the actuator: ±75mm, ±0.5%FS from 20%.
4. Frequency range: 0.1-35HZ.
5. Main test waveforms: sine wave, square wave, triangle wave, ramp wave and external input waveform.
6. Constant pressure servo pump station specifications: flow 90L/min, 21Mpa, motor power 37kW