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

  • Christian Brecher
  • Marcel Fey
  • Matthias WennemerEmail author
Chapter
Part of the Lecture Notes in Production Engineering book series (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.

References

  1. 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 IssuesGoogle Scholar
  2. Brecher C, Wennemer M (2013) Eigenschaftsmodellbasierter Ansatz zur Korrektur thermoelastischer Verlagerungen. Tradition und Gegenwart bei der Analyse des thermischen Verhaltens spanender Werkzeugmaschinen. Dresden, pp 155–170Google Scholar
  3. 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 673–678Google Scholar
  4. 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 CrossRefGoogle Scholar

Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Christian Brecher
    • 1
  • Marcel Fey
    • 1
  • Matthias Wennemer
    • 1
    Email author
  1. 1.Laboratory for Machine Tools and Production Engineering (WZL)RWTH Aachen UniversityAachenGermany

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