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

被引：34
|
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.
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页码：71 / 74
页数：4
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