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Servohydraulic testing machines for fatigue testing
Fast facts
Servo-hydraulic fatigue test systems - maximum stiffness and reliability in dynamic testing
ZwickRoell servo-hydraulic test frames are specifically designed for fatigue testing and crack growth analysis, where high measurement accuracy and frame stiffness are essential. They are used to determine material properties under cyclic loading, including:
- High-cycle fatigue (S-N) / Wöhler curves
- Low cycle fatigue (LCF)
- Fracture mechanics and fracture propagation
The test actuator can be mounted above or below the test area depending on ergonomics and type of test. The actuator has hydrostatic bearings, which provide very low friction, minimal wear and long life - even at high loads and frequencies.
The systems are powered by separate hydraulic power packs, available in different power classes to adapt to your needs. With extremely high frame stiffness and a precision-controlled tool and load cell mount with guide pin and flange, exceptional alignment and repeatability is achieved in all test procedures.
ZwickRoell test systems always come with testControl II electronics and testXpert software, ensuring precise control, data collection and analysis - integrated and user-friendly.
ZRS helps you every step of the way - from configuration to installation, calibration and long-term service.
Advantages of servo-hydraulic testing machines:
Advanced testing - Enables both HCF and LCF tests and tensile testingHigh load capacity - withstands demanding material tests under extreme conditionsPrecision and reliability - Provides accurate data for material analysis.Highly rigid load frames ensure that the applied load is transferred directly and evenly to the specimenA rigid frame makes it easier to maintain constant voltage throughout the test cycle to accurately control voltage levels.Less risk of resonant frequencies
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