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Structures and Materials Division Research and Technology Directorate NASA Glenn Research Center

Tribology and mechanical Components Branch
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Tribology and Mechanical Components Branch - Facilities
Vacuum Roller Traction Contact Rig
  • Designed to test traction rollers under vacuum or controlled atmosphere
  • Tests lubricated or dry traction conditions
  • Evaluates roller traction and wear under spin, creep and sliding conditions
  • Metallic, polymeric, ceramic or coated roller specimens
  • Surface speeds to 0.9 m/s (180 ft/min), normal loads to 900 N (200 lb)
  • Contact stress to 2800 MPa (400,000 psi) for steel specimens
  • Torque to 23 N-m (200 in-lb)
  • Axial thrust to 900 N (200 lb)
  • Misalignment to +/- 1.7 deg
  • Vacuum level to 10-7 torr
View of the Vacuum Roller Traction Contact Rig
Above: View of the Vacuum Roller Traction Contact Rig.

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Last Updated: April 21, 2009