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Study on the Effect of Tool Inclination Angle in Machining Process Based on Three-Dimensional Thermo-Elastic-Plastic Model

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Abstract:

Based on large deformation theory and virtual work principle, a coupled three-dimensional (3D) thermo-elastic-plastic finite element model (FEM) was constructed to simulate the high speed cutting process of Al7050-T7451. The mechanical properties of workpiece material under conditions of high temperature and high strain rate were defined in the model. A shear friction model was involved at the interfaces of tool-chip, tool-workpiece. Based on the model, different 3D machining FEM with different inclination angles were established, and distributions of stress, strain and temperature were achieved. Further more, the effects of inclination angle on the chip curling direction, chip flow angle, cutting force and cutting temperature were studied.

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Periodical:

Key Engineering Materials (Volumes 407-408)

Pages:

444-447

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.407-408.444

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Online since:

February 2009

Authors:

Hui Yue Dong, Hui Xue, Pu Jin Huang

Keywords:

Chip Flow Angle, Finite Element Model (FEM), Inclination Angle, Thermo-Elastic-Plastic

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© 2009 Trans Tech Publications Ltd. All Rights Reserved

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