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A novel methodology for the development of compliant mechanisms with application to feed units

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Abstract

This paper highlights the process of developing compliant mechanisms. Because of their high precision and the absence of friction compliant mechanisms are especially suitable for the use in micro manufacturing. In the following a systematic methodology of the development process is presented, including the design process, the realization of a mechanism and an application for feed units. At the first stage of design the topology of a compliant mechanism and the geometry of the flexure hinges are generated applying optimization methods. Afterwards efficient modeling strategies are applied to ensure dynamic models with high accuracy and manageable size for further investigations. Using these models an open-loop control is designed by means of mathematical trajectory optimization. At the final stage models and open-loop control are applied to design a closed-loop control completing the feed unit. This holistic approach reduces time and effort of the development process significantly. It supports the developer in creating reliable and innovative compliant mechanisms for a wide range of applications.

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Acknowledgments

The financial support of the German Research Foundation within the priority program SPP 1476 “Small machine tools for small work pieces” is gratefully acknowledged.

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Authors and Affiliations

  1. Helmut-Schmidt-University, Holstenhofweg 85, 22043, Hamburg, Germany

    Jens P. Wulfsberg, Rolf Lammering, Nanxi Kong, Malte Rösner & Robert Friedrich

  2. Department of Mathematics, Saarland University, PO Box 15 11 50, Saarbrücken, 66041, Germany

    Thomas Schuster

  3. Carl von Ossietzky University, Carl von Ossietzky Straße 9, 26111, Oldenburg, Germany

    Elisabeth Bauma

Authors
  1. Jens P. Wulfsberg
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  2. Rolf Lammering
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  3. Thomas Schuster
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  4. Nanxi Kong
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  5. Malte Rösner
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  6. Elisabeth Bauma
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  7. Robert Friedrich
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Corresponding author

Correspondence to Nanxi Kong.

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Wulfsberg, J.P., Lammering, R., Schuster, T. et al. A novel methodology for the development of compliant mechanisms with application to feed units. Prod. Eng. Res. Devel. 7, 503–510 (2013). https://doi.org/10.1007/s11740-013-0472-4

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  • DOI: https://doi.org/10.1007/s11740-013-0472-4

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