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Dynamic Modeling of the Feed Drive System of a CNC Metal Cutting Machine

H. Heydarnia1,*, I. A. Kiselev1, M. M. Ermolaev2, S. Nikolaev3

1 Department of Applied Mechanics, Bauman Moscow State Technical University, Moscow, Russia
2 Department of Bases of Machine Designing, Bauman Moscow State Technical University, Moscow, Russia
3 Skolkovo Institute of Science and Technology, Moscow, Russia

* Corresponding Author: H. Heydarnia. Email: email

Sound & Vibration 2021, 55(1), 19-30. https://doi.org/10.32604/sv.2021.04410

Abstract

Studying the vibrational behavior of feed drive systems is important for enhancing the structural performance of computer numerical control (CNC) machines. The preload on the screw and nut position have a great influence on the vibration characteristics of the feed drive as two very important operational conditions. Rotational acceleration of the screw also affects the performance of the CNC feed drive when machining small parts. This paper investigates the influence of preload and nut position on the vibration characteristics of the feed drive system of a CNC metal cutting machine in order to be able to eliminate an observed resonance occurred at high rotational speeds of the screw, corresponding to high feed rates. Additionally, rational structural parameters of the feed drive system are selected in order to increase the rotational acceleration for improving the performance of the CNC machine. Experiments and analyses showed that by selecting specific parameters of feed drive system and simultaneously applying a certain value of preload, a 97% increase in rotational acceleration and 30% time reduction considering the vibration resistance at high rotational speeds can be achieved.

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APA Style
Heydarnia, H., Kiselev, I.A., Ermolaev, M.M., Nikolaev, S. (2021). Dynamic modeling of the feed drive system of a CNC metal cutting machine. Sound & Vibration, 55(1), 19-30. https://doi.org/10.32604/sv.2021.04410
Vancouver Style
Heydarnia H, Kiselev IA, Ermolaev MM, Nikolaev S. Dynamic modeling of the feed drive system of a CNC metal cutting machine. Sound Vib . 2021;55(1):19-30 https://doi.org/10.32604/sv.2021.04410
IEEE Style
H. Heydarnia, I.A. Kiselev, M.M. Ermolaev, and S. Nikolaev, “Dynamic Modeling of the Feed Drive System of a CNC Metal Cutting Machine,” Sound Vib. , vol. 55, no. 1, pp. 19-30, 2021. https://doi.org/10.32604/sv.2021.04410



cc Copyright © 2021 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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