Electro-Hydraulic Servo Fatigue Testing Machine
Fatigue tester for performing dynamic & static tests and fatigue tests of various materials
Applications
Used extensively across sectors such as construction, mechanical engineering, energy, transportation, metallurgy, aerospace, automotive manufacturing, medical devices, and research institutions.
Reliable testing of material fatigue and load-bearing performance is necessary to ensure durability in many industries. Offering frequencies up to 50Hz, this versatile electro-hydraulic servo machine can handle dynamic and static testing for a wide range of structural components. Its adaptability extends to testing various parts by simply changing the fixtures, making it suitable for customized applications. Combining multi-channel control, real-time data measurement, and advanced processing capabilities, this fatigue testing system integrates both precision and efficiency into a single solution for complex testing environments.
Technical Specifications
| Max. static test force | ±20KN,indication accuracy ±1%,accuracy range 2%-100FS |
| Max. dynamic test force | ±20KN,dynamic fluctuation 0.5%FS |
| Actuator piston displacement | ±50mm,indication accuracy ±0.5%FS |
| Servo pump station | Flow 50L/min,pressure 21MPa |
| Frequency | 0.01-10Hz |
| Waveform | Sine wave,triangular wave,rectangular wave,ramp wave,etc. |
| Actuator amplitude | ±75mm,indication accuracy ±1%FS |
Standards
- JB/T 9370-2019
Technical Conditions for Electro-Hydraulic Servo Dynamic Fatigue Testing Machines - ISO 1099:2017
Metallic Materials — Fatigue Testing — Axial Force-Controlled Method - ISO 1352:2011
Metallic Materials — Torque-Controlled Fatigue Testing - ISO 4965-1:2012
Metallic Materials — Dynamic Testing — Verification of the Force Measurement System - ISO 1143:2010
Metallic Materials — Rotating Bar Bending Fatigue Testing - ASTM E466-15Standard Practice for Conducting Force-Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials
- ASTM E468-18
Standard Practice for Presentation of Constant Amplitude Fatigue Test Results for Metallic Materials - ASTM E606/E606M-21
Standard Test Method for Strain-Controlled Fatigue Testing - ASTM D3479/D3479M-19
Standard Test Method for Tension-Tension Fatigue of Polymer Matrix Composite Materials - ASTM E1823-20
Standard Terminology Relating to Fatigue and Fracture Testing - DIN 50100:2016
Load Controlled Fatigue Testing — Execution and Evaluation of Cyclic Tests at Constant Load Amplitudes on Metallic Specimens and Components - DIN EN ISO 6892-1:2019
Metallic Materials — Tensile Testing — Part 1: Method of Test at Room Temperature - BS ISO 1099:2017
- BS EN ISO 4965-1:2012
- GB/T 2611-2021
General Technical Requirements for Testing Machines - GB/T 16825.1-2008
Verification of Static Uniaxial Testing Machines - Part 1: Tension/Compression Testing Machines - Verification and Calibration of the Force-Measuring System - GB/T 3075-2021
Metallic Materials -- Fatigue Testing -- Axial Force-Controlled Method - GB/T 15248-2008
Test Method for Axial Loading Constant-Amplitude Low-Cycle Fatigue of Metallic Materials - GB/T 3115-2021
Fatigue Testing of Rubber Materials - GB/T 12330-2021
Dynamic Fatigue Testing of Metallic Materials
Features
- High-precision measurement with a system error margin of ≤±1%
- Maximum load capacity of /- 20kN, with a 150% overload tolerance
- Dual-rod piston structure with symmetrical hydraulic force for enhanced durability
- Chrome-plated and polished piston surfaces, ideal for extended dynamic testing
- Equipped with high-speed, durable sealing elements from Park USA, offering superior resistance to wear and lateral forces
- Features dual closed-loop control with built-in displacement sensor, external electro-hydraulic servo valve, and force sensor
- Low-friction PTFE guide sleeve for minimal wear and optimal guidance
- Secure dynamic testing connections ensured by pre-stress rings
- Built-in hydraulic buffers prevent damage from excess movement during testing
