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Modelling of non-symmetrical side-extrusion in preparation of steering knuckle preform

Kowalski M., Marszałek K., Sińczak J.

Archives of Materials Science and Engineering

2009

Vol. 39, nr 2

121-124

Purpose: The conventional forging of steering knuckle makes many problems such as: creation of material defects, high force of process, low charge yield. The aim of research was optimization of preform shape for extrusion of steering knuckle. Design/methodology/approach: Problem was analyzed using Qform3D code based on the finite element method. Findings: As results of calculations the distributions of stress, strain, strain intensity and temperature were obtained. Besides, the total force of process was calculated. Research limitations/implications: In future the verification of numerical results should be performed by technological tests. Practical implications: The numerical investigations were made for real automotive part. The results can be used in real production process. Originality/value: The new technology of production of steering knuckle was proposed.