Internal Flow-Turning - An Innovative Technology for the Manufacture of Tailored Tubes

Author:

Homberg Werner1,Rostek Tim1,Wiens Eugen1

Affiliation:

1. University of Paderborn

Abstract

In order to optimise the material utilisation and improve the lightweight design of automotive parts tailored hollow profiles are needed, especially as semi-finished parts for hydroforming. Internal Flow-Turning is an innovative incremental forming technology which enables the manufacture of tubes featuring a varying wall thickness and a constant outer diameter. These characteristics facilitate the material feed at hydroforming processes significantly. In addition, the spinning-related forming technology improves the mechanical material properties, shape and dimensional accuracy, and the surface quality of parts produced.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference10 articles.

1. F. J. Ripodas Agudo, Manufacturing Tubes For Hydroforming Applications, Tube&Pipe, May/June 2003, 114-119.

2. NN, ThyssenKrupp AG, Rohre nach Maß, Blech/Rohre/Profile, 3/(2010).

3. L. Kwiatkowski, A. E. Tekkaya, M. Kleiner, Fundamentals for controlling thickness and surface quality during dieless necking-in of tubes by spinning, CIRP Annals – Manufactoring Technologie 62 (2013) 299-302.

4. M. Hagedorn, Tailored Drawn Tubes (TDT) Drawn tubes with variable wall thickness, Salzgitter Mannesmann Precision, July (2007).

5. NN, Salzgitter Mannesmann Precision, TDT-Tailor Drawn Tubes, Drawn Tubes with variable wall thickness, August (2013).

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