Finite Element Analysis of the Influence of Cutting Edge Radius on Mechanical-Thermal Distribution in High-Speed Cutting TiAl6v4

Yi Hang Fan; Min Li Zheng; Shu Cai Yang; Wei Zhang; De Qiang Zhang

doi:10.4028/www.scientific.net/KEM.458.295

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 458Finite Element Analysis of the Influence of...

Finite Element Analysis of the Influence of Cutting Edge Radius on Mechanical-Thermal Distribution in High-Speed Cutting TiAl6v4

Abstract:

On the basis of analyzing the cutting edge structure and cutting edge radius measurement of high-speed insert, thermal - mechanical coupling finite element method (FEM) is used in this paper, to obtain the effect law of different cutting edge radius on the mechanical-thermal distribution of high-speed cutting TiAl6V4. At last, cutting experiments are carried out to verify FEM results. There is a clear exposition of the intrinsic reason why the cutting edge radius has influence on the mechanical -thermal distribution of high-speed cutting process. The results indicate that the experimental results have a good agreement with FEM; with the cutting edge radius increases, cutting force increases; cutting temperature is not monotonic, but there exists an optimum edge radius that makes temperature lowest; cutting edge changes the plastic flow of materials around tool tip and broaden plastic deformation zone. The cutting edge radius has a greater impact on equivalent stress.

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Periodical:

Key Engineering Materials (Volume 458)

Pages:

295-300

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.458.295

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Online since:

December 2010

Authors:

Yi Hang Fan, Min Li Zheng, Shu Cai Yang, Wei Zhang, De Qiang Zhang

Keywords:

Cutting Edge Radius, Finite Element Model (FEM), High-Speed Cutting Process, TiAl6V4

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