Comparison study of multistep forging and injection forging of automobile fasteners

Chen, Senyong and Qin, Yi (2015) Comparison study of multistep forging and injection forging of automobile fasteners. In: 4th International Conference on New Forming Technology (ICNFT 2015). MATEC Web of Conferences . EDP Sciences. ISBN 9782759818235

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Abstract

In order to improve production efficiency, injection forging as a feasible approach was introduced to automobile fasteners production. In the study reported in this paper, two forging approaches, traditional multistep forging and injection forging, were analysed by using a finite element method. Using ABAQUS and DEFORM, some significant factors, namely, forging force, energy consumption, component accuracy and stress distribution in the die, were compared to explore the potential and challenge for this new forging approach. Morrow's stress life model was applied for the analysis of a die insert made of Tungsten Carbide (75% W and 25% Co). It is argued that the presently reported approach is helpful in analysis of forging.