Fatigue Life Evaluation on the Seam Welds in the Main Rotation Platform of YTQH800

Ben Xue Liu; Hong Pu Yang; Xin Ke Xiao; Zhen Bo Yang

doi:10.4028/www.scientific.net/AMR.472-475.1577

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 472-475Fatigue Life Evaluation on the Seam Welds in the...

Fatigue Life Evaluation on the Seam Welds in the Main Rotation Platform of YTQH800

Abstract:

The fatigue life of the rotation platform of YTQH800 was evaluated based on transient dynamic calculation by using normal stress method in LMS VL. According to the evaluation, fatigue hot spots were predicted. A 3D sub-model with R=1 mm notches was built at one of the hot spots with the highest fatigue damage predicted previously. The stress history is obtained by transient dynamic computation. The detailed fatigue life was obtained by using notch stress method in LMS VL. The results provided technology supports to the structure optimum and improvement.

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Advanced Manufacturing Technology, ICMSE 2012

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Periodical:

Advanced Materials Research (Volumes 472-475)

Pages:

1577-1581

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.472-475.1577

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Online since:

February 2012

Authors:

Ben Xue Liu, Hong Pu Yang, Xin Ke Xiao, Zhen Bo Yang

Keywords:

Main Rotation Platform, Nominal Stress Method, Seam Weld Fatigue, Sub-Model

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