Innovative Machine Concepts for 3D Bending of Tubes and Profiles

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The paper deals with two new processes and developed special machines for profile and tube bending. The first process is a new roll-based machine for three-dimensional bending of profiles with symmetrical and asymmetrical cross-sections that has been developed. Compared to conventional processes like stretch bending, the advantage of Torque Superposed Spatial (TSS) Bending is the kinematic adjustment of the bending contour, leading to higher flexibility and cost efficiency especially in small batch production. The second process is the new process of Incremental Tube Forming (ITF). This process is based on a combination of a spinning process and kinematic free form bending of tubular semi-finished products. It is suitable for bending tubes two- and three-dimensionally to arbitrary contours and for manufacturing tailored tubes. The combined spinning and bending process leads to low bending forces with the possibility of a significant springback reduction.

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Edited by:

J.R. Duflou, R. Clarke, M. Merklein, F. Micari, B. Shirvani and K. Kellens

Pages:

37-42

DOI:

10.4028/www.scientific.net/KEM.473.37

Citation:

M. Hermes et al., "Innovative Machine Concepts for 3D Bending of Tubes and Profiles", Key Engineering Materials, Vol. 473, pp. 37-42, 2011

Online since:

March 2011

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$35.00

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