Poster Presentation

Mr. Mir Javad Peyman, Iran Khodro company (IKCO), Iran

Finite element simulation and experiment in tube hydroforming of rear axle of automotive

Mir Djavad Peyman*, Djavad Marzban rad

Department of Automotive Engineering, University of Science and Technology, Tehran, Iran

Abstract

Hydroforming is the fabrication process that uses a fluid medium to form a piece by using high internal pressure. In tube hydroforming, a tubular blank is placed between two dies, sealed and pressurized water up to 1000 MPa is injected, deforming the tube walls in the cavity form of the dies. The advantages of the hydroforming over the traditional process are weight reduction, project flexibility increase, making possible to create new piece shapes, stiffness and rigidity increase by obtaining tube pieces without weld, unions regions elimination and dimensional repeatability. In this study, the estimation of the process parameters for hydroforming rear axle, i.e. pressure levels, axial feeds and initial tube initial length are discussed. Simulations were developed with the commercial software LS-DYNA and the results are presented and compared with the experimental works.

* Corresponding author E-mail addresses: mirjavad_peyman@auto.iust.ac.ir & mirjavadpeyman@gmail.com

This abstract is supplemented by a PDF, which can be viewed here.

Poster presentation: Chassis development for passenger cars, trucks and buses