Prediction of temperature distribution in the cutting zone using finite difference approach
by Wit Grzesik, Marian Bartoszuk
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 6, No. 1/2, 2009

Abstract: This paper analyses quantitatively heat transfer problem in the cutting tool in a steady-state orthogonal cutting when using uncoated carbide tools and the AISI 304 stainless steel as a work material. Finite Difference Approach (FDA) is applied to predict the changes of temperature distribution, and both average and maximum temperatures at the tool–chip interface, resulting from differentiating the heat flux configuration. Moreover, some realistic computing errors due to possible measuring variations of the tool–chip contact length and the intensity of heat source were considered in simulations. Basically, uniformly distributed plane, symmetrical and asymmetrical triangular and symmetrical and asymmetrical trapezoid-type heat flux configurations were accounted for. It was found that the assumption of an asymmetrical trapezoidal shape of heat flux configuration, similar to the distribution of contact shear stress, provides the simulated results closer to the experimental data.

Online publication date: Thu, 09-Jul-2009

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