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The continuous rotary extrusion process is a complex metal forming operation, and there is still lack of knowledge regarding the mechanics of the process. Because of this, we decided to use FEM-modelling to characterize and study the thermo-mechanical conditions in the process. Emphasize in our work is on the nature of metal flow and the thermal conditions in the early stages of the process, when the feed-rod material fills up the die cavity and forms the plastic zone. In addition, we investigated when steady state conditions are reached, with respect to the metal flow and the temperature field in the process. Keywords—Contiuous rotary extrusion, FE-modelling, thermo-mechanics, processing of Aluminium

The Mechanics of the Continuous Rotary Extrusion Process Investigated by FEM analysis