Static Analysis of Double-Edged Rock-Breaking Hob Based on Finite Element

Chun Xia Zhu; Wen Wen Liu; Wei Wang; Li Da Zhu

doi:10.4028/www.scientific.net/AMM.415.502

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 415Static Analysis of Double-Edged Rock-Breaking Hob...

Static Analysis of Double-Edged Rock-Breaking Hob Based on Finite Element

Abstract:

Double-edged hob is commonly used as a tunneling tool when the shield machine works and it is easy to failure due to its insufficient strength in the rock breaking process. In order to solve this problem, the paper used the theory of finite element to do static simulation analysis of the hob. Firstly, the paper generated a three-dimensional model by using the software Pro/E based on a constant cross section double-edged cutter. Then, the maximum stress, maximum strain and their distributions on the double-edged hob could be obtained from static analysis based on the finite element analysis software ABAQUS. Finally, we could get the conclusion that double-edged hob met strength requirements in the test load conditions by comparing the maximum stress and yield strength of hob material. The results of static simulation analysis provided reference to material selection and optimization design of the double-edged hob and cutter head.

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Periodical:

Applied Mechanics and Materials (Volume 415)

Pages:

502-505

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.415.502

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Online since:

September 2013

Authors:

Chun Xia Zhu, Wen Wen Liu, Wei Wang, Li Da Zhu

Keywords:

Double-Edged Hob, Finite Element, Shield Machine, Simulation, Static Analysis

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References

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