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Holistic process planning chain for robot machining

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Abstract

Today, machining of large, integral constructed structural parts requires expensive machining centers. In contrast, modern industrial robots are suitable for a wide field of applications and are characterized large working spaces and low capital investment. Therefore, they provide high economical potential for machining applications in aerospace industry, especially for the machining of near to shape pre-products like extruded profiles. However, their constructive characteristics like low stiffness and high sensitivity to vibrations lead to disadvantages compared with conventional machining centers and have to be considered during process planning. Therefore, several methods for offline and online optimization of robot machining processes were developed and integrated in a new process chain for manufacturing of structural fuselage parts. Thereby, the conventional CAD–CAM process planning chain was extended with simulation based analysis and optimization methods and a load-depending trajectory planning. These methods for offline process optimization within this novel process chain are presented in this paper.

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Acknowledgements

This work has been funded by the Ministry of Economics, Labour and Transport of Lower Saxony within the project Inno ex (ZW3-80134969, ZW3-80134960 and ZW3-80134966). The authors would like to thank the federal state of Lower Saxony for their financial support of this project.

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Authors and Affiliations

  1. Institute of Production Engineering and Machine Tools, Leibniz Universität Hannover, An der Universität 2, 30823, Garbsen, Germany

    Berend Denkena, Jan Brüning & Thomas Lepper

  2. SWMS Systemtechnik Ingenieurgesellschaft mbH, Donnerschweer Str. 4A, 26123, Oldenburg, Germany

    Lars Windels & Stefan Kirsch

  3. ARTIS GmbH, Buchenring 40, 21272, Egestorf, Germany

    Dirk Euhus & Daniel Overbeck

Authors
  1. Berend Denkena
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  2. Jan Brüning
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  3. Lars Windels
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  4. Dirk Euhus
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  5. Stefan Kirsch
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  6. Daniel Overbeck
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  7. Thomas Lepper
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Correspondence to Thomas Lepper.

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Denkena, B., Brüning, J., Windels, L. et al. Holistic process planning chain for robot machining. Prod. Eng. Res. Devel. 11, 715–722 (2017). https://doi.org/10.1007/s11740-017-0771-2

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  • DOI: https://doi.org/10.1007/s11740-017-0771-2

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