Modeling and characterization of an electromagnetic system for the estimation of Frequency Response Function of spindle

Abstract : An electromagnetic system developped to measure the quasi-static and dynamic behavior of the machining spindles at different spindle speed is presented in this paper. This system consists in four Pulse Width Modulated amplifiers and four electromagnets to produce magnetic forces of ±190N for the static mode and ±80N for the dynamic mode at up to 5kHz. In order to measure the Frequency Response Function of the spindle at the tool tip, the precise prediction of the applied load is required. A dynamic force model is proposed in order to obtain the load from the measured current in the amplifiers. The model depends on the exciting frequency and on the magnetic characteristics of the system. The predicted force at high speed is validated with a specific experiment and the perfomance limits of the experimental device are investigated. The Frequency Response Functions obtained with the electromagnetic system are compared to a classical tap test measurement at 0 rpm.
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Mechanical Systems and Signal Processing, Elsevier, 2018, 104, pp.294-304. 〈10.1016/j.ymssp.2017.11.003〉
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https://hal.archives-ouvertes.fr/hal-01819017
Contributeur : Mathieu Ritou <>
Soumis le : mardi 3 juillet 2018 - 10:10:16
Dernière modification le : jeudi 5 juillet 2018 - 09:21:40

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David Tlalolini, Mathieu Ritou, Clément Rabréau, Sébastien Le Loch, Benoît Furet. Modeling and characterization of an electromagnetic system for the estimation of Frequency Response Function of spindle. Mechanical Systems and Signal Processing, Elsevier, 2018, 104, pp.294-304. 〈10.1016/j.ymssp.2017.11.003〉. 〈hal-01819017〉

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