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
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ISO 1099:2017
Metallic Materials — Fatigue Testing — Axial Force-Controlled Method
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ISO 1352:2011
Metallic Materials — Torque-Controlled Fatigue Testing
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ISO 4965-1:2012
Metallic Materials — Dynamic Testing — Verification of the Force Measurement System
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ISO 1143:2010
Metallic Materials — Rotating Bar Bending Fatigue Testing
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ASTM E466-15
Standard Practice for Conducting Force-Controlled Constant Amplitude Axial Fatigue Tests of Metallic Materials
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ASTM E468-18
Standard Practice for Presentation of Constant Amplitude Fatigue Test Results for Metallic Materials
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ASTM E606/E606M-21
Standard Test Method for Strain-Controlled Fatigue Testing
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ASTM D3479/D3479M-19
Standard Test Method for Tension-Tension Fatigue of Polymer Matrix Composite Materials
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ASTM E1823-20
Standard Terminology Relating to Fatigue and Fracture Testing
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DIN 50100:2016
Load Controlled Fatigue Testing — Execution and Evaluation of Cyclic Tests at Constant Load Amplitudes on Metallic Specimens and Components
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DIN EN ISO 6892-1:2019
Metallic Materials — Tensile Testing — Part 1: Method of Test at Room Temperature
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BS ISO 1099:2017
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BS EN ISO 4965-1:2012
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GB/T 2611-2021
General Technical Requirements for Testing Machines
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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
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GB/T 3075-2021
Metallic Materials -- Fatigue Testing -- Axial Force-Controlled Method
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GB/T 15248-2008
Test Method for Axial Loading Constant-Amplitude Low-Cycle Fatigue of Metallic Materials
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GB/T 3115-2021
Fatigue Testing of Rubber Materials
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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
