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RUMUL Electromagnetic Resonance Based High Cycle Fatigue Testers and Fracture Toughness Testers are replacing servo hydraulic systems all over the world for High Cycle Fatigue and Fracture Mechanics testing of metals, composites and other stiff materials and components

The RUMUL VIBROFORTEs are big machines that range in capacity from 500 kN to 700 kN. Though they are big, they are half the weight of comparable machines and come with a very ergonomic working height. This is due to the unique double dynamic drive system that RUMUL uses for these machines.


  • Fracture Mechanics Testing
  • SN Curve Generation
  • Testing of Rebar used in the construction industry
  • Testing of symmetric components
  • Testing of large IC Engine components


  • Between 3 to 10 times faster than comparable servo hydraulic systems
  • Frequency independent of applied force
  • Power consumption < 1 kW
  • Does not require hydraulic power units and associated cooling infrastructure
  • Convenient to maintain and operate
  • Very ergonomic
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Product Specifications

Machine Model Possible Tests Principle Frequency of Testing Force Range
RUMUL VIBROFORTE HCF, Block, SN Curve, Woehler, Fatigue Crack Growth, Pre-Cracking, Fracture Toughness Electromagnetic Resonance 40 to 200 Hz Max. 500 kN to Max. 700 kN