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Ring-On-Ring Module

Ring on Ring Test is also called a Thrust Washer Test.

How does it work?

This is when a ring or washer is pressed against another ring or at
surface for full contact friction and wear testing.

Extreme Versatility


  • ASTM D3702

* Instrument parameter limits may differ
from those specified within the standard.

Properties Analyzed

  • Friction Coefficient
  • Wear Rates
  • Failure Points
  • Lubrication Studies (custom)
  • Friction vs Speed


  • Depth
  • Acoustic Emission

Rotating Lower Sample

  • Ring of any materials type of (Outer Diameter (OD):
    28.5mm, Inner Diameter (ID): 25.4mm.) Other materials possible but
    same diameter
  • Other geometry (custom)

Fixed Upper Sample

  • Ring of any materials type of (OD: 31.6mm, ID: 15.8mm)
  • Other geometry (custom)

Environmental Conditions

  • 1000°C Heating Oven
  • Liquid Cup and Liquid Heating up to 150 °C
  • Lubrication
  • Humidity Control
  • Cooling Chamber -40 °C
  • Various Gases
  • Vacuum (Custom)

How can we help?