Gear & Component Testing

  • Power Re-circulating Gear Testing
    • Bending and Contact Fatigue
    • Scoring Resistance
    • Friction Measurement
    • Oil Off/Loss of Lube Testing
    • Lubricant Evaluation
    • Spur and Helical Gears
    • Test Speeds up to 10,000 RPM
    • Programmable Load Profiles
  • Single Tooth Bending Fatigue Testing
    • Economical Bending Fatigue Evaluation
    • Standard Fixtures Available
    • Custom Fixture Design
    • Spur, Helical, Spiral Bevel, Face Gears
    • Crack Propagation Studies
    • Reverse Bending
  • Rolling Contact Fatigue Testing
    • Economical Contact Fatigue Evaluation
    • Various Roll/Slide Ratios
    • Contact Stresses up to 475 KSI
    • Lubricant Temps up to 400°F
    • Traction Force/Friction Measurement
    • Oil Off/Loss of Lube Testing
  • Impact Strength Testing
    • High Strain Rate Bending Strength Evaluation
    • Load and Position Instrumentation
    • Absorbed Energy During Failure

Characterization

  • Gear Materials Characterization
    • Microstructure
    • Superficial and Micro-hardness
    • Corrosion
    • Wear/Tribology
    • Surface Roughness
      • Optical Interferometry
    • Residual Stress
    • Failure Analysis
      • Light, Electron and Acoustic Microscopy
      • Energy Dispersive Spectroscopy
      • Element Mapping and CT Scanning for Inclusion Detection

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Metrology and Prognostics

  • Metrology
    • Full Gear Inspection Lab
      • M&M Gear Inspection Machine
      • Maag Gear Inspection Machine
      • Zeiss CMM
    • All Test Gears Inspected
    • Verification of Gear Geometry and Bending Stress Calculations
  • Prognostics
    • Algorithms for Bending Failure Detection Developed
      • FFT/Sideband Analysis
    • Detection of Pitting/Micropitting Algorithm in Development

 

Latest News

The Gear Research Institute is managed by a twelve (12) member Board of Trustees. As per the Institute’s...
The next meeting of the Board Of Trustees of the Institute will be held on October 25, 2023 at ARL Penn...
Vol. 28, 2023 Foreward GRI surpasses 40 years of testing and researchThe GRI, being founded in 1982,...

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