1. The PNW-6000 electro-hydraulic servo torsional fatigue testing machine is one of the PNW series of testing machines. This series of testing machines adopts mature dynamic electro-hydraulic servo testing technology and utilizes unitized, standardized and modular design methods to greatly improve the system’s performance Stability and reliability, mainly used for torsion fatigue test of shaft parts and other assemblies.

2. Main technical performance indicators:

2.1 Maximum torque: ±6000Nm, ±1% from 20%.

2.2 Test frequency range: 0.1-10Hz.

2.3 Maximum rotation angle: ±45°, indication accuracy 1%.

2.4 Main test waveform: supported by the controller.

2.5 There are two closed-loop control loops: angle and torque.

2.6 It has the function of limit protection of test parameters.

2.7 Specifications of constant pressure servo pump station: flow 140L/min, 21Mpa, motor power 55kW.