Alleviation for contact stresses in curvic attachments
JIANG Xiang-jun, ZHANG You-yun, WangXin, YUAN Shu-xia
Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System,Xi’an Jiaotong University,Xi’an 710049,China
Abstract:
This paper studied the contact stresses in curvic attachments.The principal purpose of this research is to employ a method of alleviating the fluctuating hoop stresses which can be considered to be a major contribution to fatigue failure in curvic attachments.This method entails novel precision geometry of the contacting flat on curvic which is a tactic to get appropriate arc heights in in-plane direction as well as vary radius in out-of-plane direction.The dimensional finite elements in both directions were analyzed.These analysis results indicated that significant reduction in fluctuating hoop stresses can be achieved by the proposed method,provided that the precision geometry is controlled sufficiently precisely.
Key words: curvic attachments stress analysis finite element analysis
DOI：10.11916/j.issn.1005-9113.2011.05.012
Clc Number:TH133.4
Fund:
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Alleviation for contact stresses in curvic attachments
本站小编 哈尔滨工业大学/2019-10-23
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