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Multicomponent processes for production of high performance gearwheels combines both high power density and high lightweight potential. In this paper, the focus is on manufacturing an assembled gearwheel using cold forging and simultaneously joining the gearwheel body and a gear ring. In this study, FEA results regarding the joining process of two different materials for assembled gearwheels are presented. The aim of the numerical investigation is to achieve a robust forging process and define appropriate tool parameters.