Reliability Assurance of Highly Precise Rolling Bearing Clearance

doi:10.12068/j.issn.1005-3026.2014.10.033

Abstract

Abstract: A reliabilitybased design for rolling bearing clearance was carried out. The effects of random factors like interference fitting and speed on clearance were obtained based on the theory of elasticity， and the conversion of initial and working clearance distribution was realized using the MonteCarlo method. In the analysis of getting optimal interval of working clearance， the load distribution of bearing under different clearances was calculated based on quasidynamic analysis， and the bifurcation diagram of bearingrotor system under different clearances was plotted with theory of bifurcation of nonlinear vibration. The initial clearance interval was controlled to ensure the reliability of clearance of bearing on the basis of the optimal interval of working clearance for highly precise bearing clearance.

Key words: reliabilitybased design, rolling bearing, clearance, quasidynamic analysis, bifurcation

CLC Number:

TH122

LI Haochuan， SUN Zhili， YAN Ming. Reliability Assurance of Highly Precise Rolling Bearing Clearance[J]. Journal of Northeastern University Natural Science, 2014, 35(10): 1516-1520.

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