Abstract
A 2D finite element model of dry milling process is developed to determine the temperature distribution and temperature history of workpiece. The flow stress of workpiece is taken as a function of strain, strain rate and temperature in order to reflect realistic behavior in machining process. Temperature-dependent material properties are also employed in the analysis. From the simulation, a lot of information on dry milling process can be obtained; cutting force, cutting temperature, chip shape, temperature distribution, etc. The temperature history of the machined layer can be reported by conducting a point tracking. The predicted temperature profile at conventional cutting speeds and high speed machining are obtained. The finite element model appears to be perfectly representative of dry milling process and can be used to predict instantaneous temperature profile and temperature history into the depth of the workpiece.
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