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Advanced calculation of static and dynamic stiffness in mechatronic machine tools

Verbesserte Berechnung der statischen und dynamischen Steifigkeit von Werkzeugmaschinen
: Neugebauer, Reimund; Scheffler, Christian; Wabner, Markus; Zwingenberger, Carsten


International Journal of Mechatronics and Manufacturing Systems 4 (2011), No.3-4, pp.370-384
ISSN: 1753-1039
ISSN: 1753-1047
Journal Article
Fraunhofer IWU ()
machine tool; mechatronic; simulation; FEM; finite element method; state space modeling; MATLAB; SIMULINK; feed drive; control simulation; dynamic modeling; frequency responses

Static and dynamic stiffness are essential in machine tool design. Especially for electro-mechanic driven controlled drives, methods for calculating these properties will be discussed. It will be shown how finite element models (FEM-models) can be used for correct calculation of the static stiffness of controlled feed axes without using a mechatronic model. Furthermore it will be shown, how to use a new compact form of mechatronic simulation model for improved determination of static and dynamic stiffness.