A hybrid cutting force model for high-speed milling of titanium alloys

被引：35
|
作者：
Wang, ZG [1 ]
Rahman, M [1 ]
Wong, YS [1 ]
Li, XP [1 ]
机构：
[1] Natl Univ Singapore, Dept Engn Mech, Singapore 119260, Singapore
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2005年 / 54卷 / 01期
关键词：
cutting force model; finite element method; flow stress;
D O I：
10.1016/S0007-8506(07)60052-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the Johnson-Cook (JC) strength model is used to describe the flow stress of Ti6AI4V and to estimate two important parameters in Oxley's model: the strain-rate constant and the angle made by the resultant force and the shear plane. The JC model is also incorporated into a finite element method (FEM) simulation for the deformation process of Ti6AI4V. Finally, a hybrid cutting force model based on the FEM simulation and Oxley's theory is proposed to predict cutting forces when machining Ti6AI4V. Experimental results are found to substantiate the developed model.
引用
收藏
页码：71 / 74
页数：4
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