Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 16, issue 2
Articles | Volume 16, issue 2
https://doi.org/10.5194/ms-16-921-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-16-921-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 2
Research article
 | 
02 Dec 2025
Research article |  | 02 Dec 2025

Research on dynamic characteristics of motorized spindle based on comprehensive stiffness of angular contact ball bearing

Boqian Dong, Chunli Lei, Kai Liu, Ruizhe Song, and Pan Cui

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Short summary
In this work, according to the characteristics of a high-speed motorized spindle, the comprehensive stiffness model of its support bearing is first established. On this basis, a dynamic model of a motorized spindle system is proposed using Timoshenko beam element theory and a finite element method. Then, the dynamic characteristics of a high-speed motorized spindle system under the combined action of high-speed effect and thermal effect are solved and verified by experiments.
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