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

Cited articles

Cao, H. R., Li, B., and He, Z. J.: Dynamic modeling of high-speed spindles and analysis of high-speed effects, Journal of Vibration Engineering, 25, 2, 103–109, 2012. 
Cao, Y. Z. and Yusuf, A.: A general method for the modeling of spindle-bearing systems, Journal of Mechanical Design, 126, 6, 1089–1104, 2004. 
Chen, B., Chen, J., and Dong, M. L.: Modeling method analysis for oil film stiffness calculation based on point contact TEHL theory, Lubrication Engineering., 38, 70–75, 2013. 
Cheng, Y. W.: Thermal mechanical dynamic characteristic research of high speed motorized spindle, MS, Lanzhou University of Technology, Lanzhou, 30–50, 2019 (in Chinese). 
Du, Y. H., Qiu, M., and Jiang, X. Q.: Stiffness Calculation of High Speed Precision Angular Contact Ball Bearing, Bearing, 11, 5–8+43, 2001. 
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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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