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Flying Cutting of Spatially Curved Extrusion Profiles

Journal Advanced Materials Research (Volume 10)
Volume Flexible Manufacture of Lightweight Frame Structures
Edited by Matthias Kleiner, Jürgen Fleischer, Michael Zäh and Marco Schikorra
Pages 35-42
DOI 10.4028/www.scientific.net/AMR.10.35
Online since February, 2006
Authors Christian Munzinger, Jürgen Fleischer, Gregor Stengel
Keywords Control, Production Process, Robot
Abstract The innovative process of curved profile extrusion facilitates the cost-effective production of lightweight structures with spatially curved profiles even for small series. Due to the extrusion process a continuous flow of material is unavoidable. The profiles have to be separated reactionlessly during the extrusion following the complex trajectory of the cut-off point in space. This paper discusses the challenges for a flying cut-off device. In addition to a concept to generate the trajectories and control the movements, the main parameters for dimensioning a cut-off device are presented. A specially designed clamping device permits to generate high accelerations. Further on, cutting results are shown especially for extruded sections with continuous reinforcing elements of steel.
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