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    Design of Rotary Extrusion Process Using Simulation Techniques to Save Raw Material in Hollow Components

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    KEM.651-653.254.pdf (634.4Kb)
    Identifiers
    URI: http://hdl.handle.net/11556/391
    ISSN: 1013-9826
    DOI: 10.4028/www.scientific.net/KEM.651-653.254
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    Author/s
    Mangas, Ángela; Santos, Maite; Zarazua, Jose Ignacio; Pérez, Iñaki
    Date
    2015
    Keywords
    Rotary extrusion
    FEM
    Deep drilling
    Hollow shafts
    Forging
    Abstract
    The forging process plays an important role in the automotive industry thanks to the good mechanical properties of the forged parts. Nowadays, due to the European policy of increasing efficiency in raw material and energy usage, the metal forming sector is demanding new innovative technologies. In this context, rotary extrusion technology is a very promising metal forming alternative to the drilling techniques after forging processes. The presented work is focused on hollow shafts that are usually manufactured using a combination of forming and metal cutting techniques. Deep drilling is the most common technique to obtain internal holes in the automotive hollow parts, but it is an expensive process in terms of material usage. In this framework, rotary extrusion appears as an alternative technology that leads to the reduction of material usage and process time. The tubular shape is formed with the combination of two forming processes: flow forming and backward extrusion. This paper ...
    Type
    conferenceObject

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