Rotating Fatigue Machine
(MT104)

1 Emergency switch 2 Main ON/OFF switch 3 Main circuit breaker 4 Motor ON /OFF switch 5 Motor speed adjustable potentiometer 6 Cycles count display 7 Force display 8 Specimen collet 9 Protective cover 10 Motor 11 iron nut 12 Rotating dick of the load cell

  • How to create and use Wohler (S-N) curves for various materials
  • Comparison of fatigue properties of various Materials.
  • Evaluate the fatigue strength & endurance limit of materials under repeated loading.
  • Determine the Low and high cycle fatigue
  • Electric Induction Motor
    • Rating Speed: 800 RPM
    • Rating Power: 0.37 KW ~ 0.5 HP
  • Load Cell
    • 300 N
  • Specimens included
    • 20 Steel
    • 20 Aluminum
    • 20 Brass
  • Rotating Fatigue Machine (MT104)
  • Hard copy user manual
  • Bedo Software
  • Laboratory PC

The Rotating Fatigue Machine is a compact, bench-top educational trainer designed to demonstrate how materials fail under cyclic loading. It provides hands-on experience in studying material fatigue behavior due to repeated stress, which is a vital concept in mechanical and structural engineering. The system includes integrated software that plots real-time graphs illustrating the relationship between calculated stress amplitude (σ) and the number of cycles to failure. This visual representation helps trainees understand the fatigue life of materials and analyze fatigue strength using Wohler (S-N) curves for various materials.

  • The training system introduces trainees to understand material behavior under cyclic loading highlighting how repeated stress affects material performance over time.
  • It demonstrates key concepts of fatigue failure, including both Low Cycle Fatigue (LCF) and High Cycle Fatigue (HCF).
  • The training unit enables trainees to use real-time control software that facilitates test operation, data acquisition, and graphical interpretation of material behavior under cyclic stress.
  • The training system includes a control panel that introduces trainees to key operational and safety components, including an emergency switch, circuit breaker and on/off button.
  • The machine is equipped with a motor control system, featuring an on/off switch and a speed adjustment potentiometer.
  • It includes cycle count and force displays for accurate monitoring of the applied stress and cycle progression during testing.
  • A rotating disc mechanism is used to apply the desired force to the specimen, and this applied force is precisely monitored through the force display.
  • Users are guided to plot and interpret Wöhler (S-N) curves for various materials, gaining insights into fatigue strength and the endurance limit.
  • Fatigue testing is performed on specimens of different materials to evaluate and compare their resistance to cyclic stress.
  • The machine enables graphical correlation between calculated sigma and number of cycles until specimen fracture to help trainees interpret material limits and endurance
  • For safety, the system includes a protective feature that if the protective cover is removed during motor operation, the motor stops automatically, ensuring operator protection.