Finite element analysis of the effect of tool edge radius on residual stresses when orthogonal cutting Ti6Al4V

2018 International Conference on Advanced Materials, Intelligent Manufacturing and Automation

材料科学;机械制造;运输工程

Tao, Liang^1 ; Chen, Haihong^1 ; Liu, Aijun^1

Department of Mechanical Engineering, Guizhou Institute of Technology, Guiyang

550003, China^1

关键词: Cemented carbide tools;    Compressive layers;    Distribution of residual stress;    Machined surface;    Machining simulation;    Orthogonal cutting;    Residual compressive stress;    Residual tensile stress;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/382/4/042059/pdf
DOI  :  10.1088/1757-899X/382/4/042059

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

A finite element analysis is presented based on the machining simulation software AdvantEdge FEM to investigate the effect of tool edge radius on residual stresses when orthogonal dry cutting Ti6Al4V alloy. Five types of cemented carbide tools with different tool-edge radius were used in the simulation. The results obtained from this study show that the residual stress at the machined surface is residual compressive stress and become more tensile than compressive beneath the machined surface for five radii. Tool-edge radius affects the magnitude and distribution of residual stress significantly, the magnitude of residual compressive stress, the thickness of compressive layer and the magnitude of residual tensile stress increase with the increase of tool-edge radius. A theoretical guidance for the control of residual stresses and optimization of tool-edge design can be provided in this study.