Dynamic Performance of the Bearing-Rotor System in the Ultra-High Speed Electric Spindle with a Additional Supporting System Make up of the Permanent Magnetic Bearings

Abstract:

A novel method, aiming at solving the problem that the ultra-high-speed electric spindle tends to vibrate as its stiffness is small, using the repulsion of permanent magnets based on the theory that repulsion increased while the two magnets come close, is provided in this paper to design a electric spindle within additional support bearing system consist of two radial permanent magnet rings against each other. This paper also analyses the dynamic performance of radial permanent magnet bearings additional supporting system for ultra-high speed electric rotor system, result shows that the radial permanent magnetic bearings additional supporting system designed for improving the critical speed of the rotor system, reducing the rotor radial dynamic response, can effectively improve the dynamic performance and operational stability of ultra-high speed electric spindle rotor system.

• Periodical: Advanced Materials Research (Volumes 295-297)
• Pages: 2294-2299
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.295-297.2294
• Online since: July 2011
• Authors: Song Sheng Li, Hua Wei Mao, Ping Chen, Xiao Huang, Peng Zhou, Jian Chen
• Keywords: Dynamic Response, Permanent Magnetic Bearings, Ultra-High Speed Electric Spindle Rotor System Performance

References

[1] Songsheng Li, Liuxin Yang, Meiying Wu: World Manufacturing Engineering & Market, (WMEM), (2003). (In Chinese)

[2] Songsheng Li. Analysis of the Dynamic Characteristics of the Ball Bearing-rotor System in High-speed Electric Spindle. Shanghai University, (2006). (In Chinese)

[3] Longping Jiang, Kejun Xu, Youcai Tang: Acronantical Science and Techology (2000). (In Chinese)

[4] Zhiming Luo, Gengbin Feng, Xingmin Ren: Journal of Vibration, Measurement & Diagnosis (1999). (In Chinese)

[5] Joshi A: Journal of Sound and Vibration. Vol. 235 (2002), pp.917-925.

[6] Fan Y H, Lee A C: International of Machine Tools and Manufacture. Vol. 35 (1995), pp.445-458.

[7] Xiaojun Yan, Jingxu Nie, ChangrenSun:Journal of Aerospace Power (2000), pp.63-66. (In Chinese)

[8] Rashidi M, Dirussi E: Journal of Engr.for Gas Turbines & Power, Vol. 115 (1993), pp.336-340.

[9] Skricha N, Markert R: Mechatronics, (2002), pp.1059-1068.

[10] Songsheng Li, Xiaoyang Chen, Gang Zhang: Chinese Journal of Mechanical Engineering, (2006). (In Chinese)

[11] Wenbin Li . Magnetic Application Engineering.Beijing: Weapon Industry Press (1991). (In Chinese)

[12] Huawei Mao, Songsheng Li, Zuo Taotao, Hu Zhihong. Electric Spindle with a Ring Permanent Magnet Damping System. The Central People's Government of the People's Republic of China: 200810037732. 2. (In Chinese)

[13] Rao S S. The Finite Element Method in Engineering. Fu Zizhi, Translate. Beijing: Science Press, (1991). (In Chinese)