Study on tribological and vibration performance of a new UHMWPE/graphite/NBR water lubricated bearing material

Study on tribological and vibration performance of a new UHMWPE/graphite/NBR water lubricated... The mixture powder of Ultra-high molecular weight polyethylene (UHMWPE) and graphite was blended into nitrile–butadiene rubber (NBR) to be modified to develop a new kind of compound water lubricated rubber bearing with cost-effective, low-friction performance. In order to study the tribological and vibration performance of the new material, a series of experiments were carried out on the test rig SSB-100. Friction coefficient and vibration characteristics under different working conditions: speed, specific pressure and temperature were acquired and analyzed by torque meter and B&K Pulse. The mechanical physical performance of the compound rubber material SPB-N has reached the requirements of Chinese ship standard CB/T769-2008. The results showed that a better tribological performance of the new material met the U.S. military standard (MIL-DTL-17901C (SH)). Stick-slip effect of the new material was induced with critical speed of 0.27m/s, which showed excellent low-speed performance. Moreover, its friction coefficient reached a minimum value at the speed of 0.54m/s. Local specific pressure of the new material was 0.7MPa. The new composite rubber material was served as a kind of water-lubricated bearing material with excellent all-round performances. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wear Elsevier

Study on tribological and vibration performance of a new UHMWPE/graphite/NBR water lubricated bearing material

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0043-1648
eISSN
1873-2577
D.O.I.
10.1016/j.wear.2014.12.054
Publisher site
See Article on Publisher Site

Abstract

The mixture powder of Ultra-high molecular weight polyethylene (UHMWPE) and graphite was blended into nitrile–butadiene rubber (NBR) to be modified to develop a new kind of compound water lubricated rubber bearing with cost-effective, low-friction performance. In order to study the tribological and vibration performance of the new material, a series of experiments were carried out on the test rig SSB-100. Friction coefficient and vibration characteristics under different working conditions: speed, specific pressure and temperature were acquired and analyzed by torque meter and B&K Pulse. The mechanical physical performance of the compound rubber material SPB-N has reached the requirements of Chinese ship standard CB/T769-2008. The results showed that a better tribological performance of the new material met the U.S. military standard (MIL-DTL-17901C (SH)). Stick-slip effect of the new material was induced with critical speed of 0.27m/s, which showed excellent low-speed performance. Moreover, its friction coefficient reached a minimum value at the speed of 0.54m/s. Local specific pressure of the new material was 0.7MPa. The new composite rubber material was served as a kind of water-lubricated bearing material with excellent all-round performances.

Journal

WearElsevier

Published: May 1, 2015

References

  • Tribological study of elastomeric bearings for marine propeller shaft system
    Hirani, Harish; Verma, Manish

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