Development of a finite element simulation system for the tube axial compressive precision forming process |
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| Authors: | Z. Sun H. Yang |
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| Affiliation: | 1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing, China;2. Univ. Lille, CNRS, Centrale Lille, UMR 9013 - LaMcube - Laboratoire de mécanique multiphysique et multiéchelle, Lille F-59000, France;1. Institute of Engineering Design, Saarland University, Campus E2 9, 66123 Saarbrücken, Germany;2. IPEK - Institute of Product Engineering, Karlsruher Institute of Technology (KIT), Kaiserstraße 10, 76131 Karlsruhe, Germany |
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| Abstract: | Tube axial compressive precision forming including free deformation can be developed into an advanced precision forming process with high quality, high efficiency, low consumption, good flexibility for size changes. However, the mechanism of free deformation existing in the process is complicated and is hard to study with theoretical analysis and experimentally and there has not been sufficient research of the process. In this paper based on an analysis of deformation modes, a rigid-plastic finite element model of forming process is established and some key technology problems related to the simulation are resolved. A corresponding finite element simulation system was then developed. Experiments carried out show that the system developed is reliable and can be used for a further and systematical study of the tube axial compressive precision forming process. |
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| Keywords: | Tube forming Tube axial compressing Precision forming FEM simulation Free deformation |
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