The New Preforging Method of Closed-Die Forging with Controlled-Flash for Steering Knuckles

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Abstract:

In this paper, the new forging process for forming the steering knuckle of the truck is proposed, which includes preforming, preforging and finish-forging. The key technology of new forging process is focused on the preforging design. The closed-die forging with controlled-flash process for the preforging is proposed, by which the material utilization rate is enhanced greatly. The proper preforming includes three steps: rod extrusion, fork flatting and cleaving. The 3D finite element method (FEM) for simulation the forging process is also presented. The new and the traditional forging processes of producing the steering knuckle are compared too.

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Periodical:

Advanced Materials Research (Volumes 482-484)

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2409-2413

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February 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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