Multiaxial Fatigue Life Prediction of Kiln Roller Under the Axis Line Deflection

SHEN Yi-ping; WANG Song-lai; LI Xue-jun; B. S. Dhillon

doi:10.3879/j.issn.1000-0887.2010.02.008

Volume 31 Issue 2

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Article Navigation > Applied Mathematics and Mechanics > 2010 > 31(2): 191-198

SHEN Yi-ping, WANG Song-lai, LI Xue-jun, B. S. Dhillon. Multiaxial Fatigue Life Prediction of Kiln Roller Under the Axis Line Deflection[J]. Applied Mathematics and Mechanics, 2010, 31(2): 191-198. doi: 10.3879/j.issn.1000-0887.2010.02.008

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Multiaxial Fatigue Life Prediction of Kiln Roller Under the Axis Line Deflection

doi: 10.3879/j.issn.1000-0887.2010.02.008

Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan, Hunan 411201, P. R. China;
Department of Mechanical Engineering, University of Ottawa, Ottawa, Ontario, K1N6N5, Canada

Received Date: 1900-01-01
Rev Recd Date: 2009-12-06
Publish Date: 2010-02-15

Abstract

Abstract

Multiaxial fatigue life of the roller in rolling contact with whee lswith respect to axis line deflection was investigated.The multiaxial fatigue criterion proposed by Wang and Brown,together with rainflow countingm ethod and the Miner-Pamlgren's rule,were applied for cumulative damage estmiation and life prediction.As axis line deflection of overlong kilns generally results in asymm etricload distribution on each roller,the load ratio was in troduced to describe deflection for quantitative stress anaylsis,which was performed with in the finite element code ANSYS.And the tangen tial frictional stress walch lated in terms of the rolling contact area condition.By taking on eroller as an example,the plotted fatigue life curve versus load ratio discovers how axis line deflection affects fatigue life.The study is quitesign ificant to prevent fatigue failure of the roller,and canprovide bas is to adjust and optimize axis line of rotary kiln.
- multiaxial fatigue,
- fatigue life,
- axis line deflection,
- rolling contact

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References(20)

References

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