Numerical Simulation of High Speed Single-Grain Cutting Using a Coupled FE-SPH Approach

Rui Dong Shen; Xiu Mei Wang; Chun Hui Yang

doi:10.4028/www.scientific.net/AMM.483.3

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Numerical Simulation of High Speed Single-Grain Cutting Using a Coupled FE-SPH Approach
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 483Numerical Simulation of High Speed Single-Grain...

Numerical Simulation of High Speed Single-Grain Cutting Using a Coupled FE-SPH Approach

Abstract:

In this study, to simulate the grinding process for rolled homogeneous armor steel (RHA) 4043, a single-grain cutting process is modeled using a three-dimensional (3-D) numerical model, which is developed using a coupled finite element (FE) - smoothed-particle hydrodynamics (SPH) approach. The proposed numerical model is then employed to investigate the influences of grain negative rake angle (-22°, -31°, and-45°) as well as high and super-high cutting speed ranged from 100 m/s to 260 m/s in the cutting processes. The numerical results show the cutting forces are much lower and the maximum chip thickness is much larger when using a smaller grain negative rake angle.

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Applied Mechanics and Materials (Volume 483)

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3-8

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.483.3

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Online since:

December 2013

Authors:

Rui Dong Shen, Xiu Mei Wang, Chun Hui Yang

Keywords:

Finite Element Method (FEM), Grinding, Single-Grain Cutting, Smooth Particle Hydrodynamics (SPH)

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