Geometric faults in parts of machine tools with parallel kinematics lead to stresses in the structure and deflections of the tool center point, reducing the quality of the workpiece. Improving the design of machine tools can reduce these influences. In this paper an approach to compensate the influence of geometric faults in parallel kinematics based on the design of an adaptronic strut is introduced. The strut is divided in two halves and two piezoelectric transducers are implemented in between them, used as sensor and actuator, respectively. A preliminary design of the adaptronic strut is presented. The problems of measuring low-frequency signals using piezoelectric transducers are considered in the design. Finally, a primary analytical model of the dynamical behavior of the adaptronic compensation unit is presented. The strut and its connection to the surroundings are regarded as a flexible multibody system, the equations of motion are derived using linear graph theory. Some simulation results are presented.
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ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 24–28, 2005
Long Beach, California, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4743-8
PROCEEDINGS PAPER
An Approach for Compensation of Geometric Faults in Machine Tools Available to Purchase
Christian Rudolf,
Christian Rudolf
Universita¨t Karlsruhe, Karlsruhe, Germany
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Jo¨rg Wauer,
Jo¨rg Wauer
Universita¨t Karlsruhe, Karlsruhe, Germany
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Christian Munzinger,
Christian Munzinger
Universita¨t Karlsruhe, Karlsruhe, Germany
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Ju¨rgen Fleischer
Ju¨rgen Fleischer
Universita¨t Karlsruhe, Karlsruhe, Germany
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Christian Rudolf
Universita¨t Karlsruhe, Karlsruhe, Germany
Jo¨rg Wauer
Universita¨t Karlsruhe, Karlsruhe, Germany
Christian Munzinger
Universita¨t Karlsruhe, Karlsruhe, Germany
Ju¨rgen Fleischer
Universita¨t Karlsruhe, Karlsruhe, Germany
Paper No:
DETC2005-84241, pp. 1007-1014; 8 pages
Published Online:
June 11, 2008
Citation
Rudolf, C, Wauer, J, Munzinger, C, & Fleischer, J. "An Approach for Compensation of Geometric Faults in Machine Tools." Proceedings of the ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6: 5th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C. Long Beach, California, USA. September 24–28, 2005. pp. 1007-1014. ASME. https://doi.org/10.1115/DETC2005-84241
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