To prescribe simulative contact pressures in benchtop wear tests on materials and lubricants for threads of lead screws, it is necessary to understand how applied load is distributed over those threads. While in threaded fasteners it is known that the first engaged nut thread carries the greatest load and experiences the highest contact pressure, in a lead screw application with considerable sliding this most heavily nut thread will correspondingly wear most rapidly. This suggests instead an eventually uniform steady-state load distribution over the nut threads that should be considered in arriving at a lower contact pressure for simulative wear testing. A model is therefore developed for this coupled evolution of thread load distribution and wear.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4202-9
PROCEEDINGS PAPER
Coupled Evolution of Load Distribution and Wear on Lead Screw Threads Available to Purchase
Thierry A. Blanchet
Thierry A. Blanchet
Rensselaer Polytechnic Institute, Troy, NY
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Thierry A. Blanchet
Rensselaer Polytechnic Institute, Troy, NY
Paper No:
WTC2005-64223, pp. 281-282; 2 pages
Published Online:
November 17, 2008
Citation
Blanchet, TA. "Coupled Evolution of Load Distribution and Wear on Lead Screw Threads." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 2. Washington, D.C., USA. September 12–16, 2005. pp. 281-282. ASME. https://doi.org/10.1115/WTC2005-64223
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