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Correction Model of Load-Dependent Structural Deformations Based on Transfer Functions

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Thermo-energetic Design of Machine Tools

Part of the book series: Lecture Notes in Production Engineering ((LNPE))

Abstract

An indirect technique for the correction of thermo-elastic displacements induced by loads of the linear axes is developed in subproject B06. The basis is formed by an control-internal correction approach describing the functional relationship between the mechanical load profile and the displacement of the Tool Center Point using transfer functions of different orders. The model parameters referred to are determined in displacement experiments. Since axes load-induced displacements highly depend on the position, a volumetric measurement and correction approach is utilised.

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References

  • Brecher C, Fey M, Wennemer M (2014) Volumetric compensation of thermal machine tool errors as a result of linear axes loads. Special Interest Group: Thermal Issues

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  • Brecher C, Wennemer M (2013) Eigenschaftsmodellbasierter Ansatz zur Korrektur thermoelastischer Verlagerungen. Tradition und Gegenwart bei der Analyse des thermischen Verhaltens spanender Werkzeugmaschinen. Dresden, pp 155–170

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  • Brecher C, Wissmann A (2009) Modelling of thermal behaviour of a milling machine due to spindle load. In: 12th CIRP conference on modelling of machining operations, vol 2, pp 673–678

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  • Schwenke H, Knapp W, Haitjema H et al (2008) Geometric error measurement and compensation of machines—an update. CIRP Ann Manufact Technol 57:660–675. doi:10.1016/j.cirp.2008.09.008

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Authors and Affiliations

  1. Laboratory for Machine Tools and Production Engineering (WZL), RWTH Aachen University, Aachen, Germany

    Christian Brecher, Marcel Fey & Matthias Wennemer

Authors
  1. Christian Brecher
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  2. Marcel Fey
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  3. Matthias Wennemer
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Corresponding author

Correspondence to Matthias Wennemer .

Editor information

Editors and Affiliations

  1. Institut für Werkzeugmaschinen und Steuerungstechnik, TU Dresden, Dresden, Germany

    Knut Großmann

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Brecher, C., Fey, M., Wennemer, M. (2015). Correction Model of Load-Dependent Structural Deformations Based on Transfer Functions. In: Großmann, K. (eds) Thermo-energetic Design of Machine Tools. Lecture Notes in Production Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-12625-8_15

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  • DOI: https://doi.org/10.1007/978-3-319-12625-8_15

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-12624-1

  • Online ISBN: 978-3-319-12625-8

  • eBook Packages: EngineeringEngineering (R0)

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