Volume 9 Number 2(Dec. 2017)
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IJCEE 2017 Vol.9(2): 456-464 ISSN: 1793-8163
DOI: 10.17706/IJCEE.2017.9.2.456-464

Electromagnetic Vibration Analysis of High Speed Motorized Spindle Considering Length Reduction of Air Gap

Te Li , Jian Wu
Abstract—In order to reveal the influence of air gap variation on dynamic characteristics of high speed motorized spindle, mathematic models of centrifugal expansion and thermal expansion are established based on elastic mechanics, results show air gap was remarkably reduced by the expansions of stator and rotor. Change rules of radical magnetic flux density and radical electromagnetic force of air gap were calculated with FEA software based on electromagnetic vibration theory, results show the magnetic density and electromagnetic force increased with air gap decreasing, fundamental and harmonic waves of the two parameters increased obviously as well, which lead to a further vibration of the stator, dynamic characteristics was dropt either.

Index Terms—High speed motorized spindle, air gap, expansion, electromagnetic vibration.

The author are with Changshu Institute of Technology, School of Mechanical Engineering, Changshu, Jiangsu, China.
Te Li is with Jiangsu Key Laboratory of Recycling and Reuse Technology for Mechanical and Electronic Products, Changshu, Jiangsu, China.

Cite:Te Li , Jian Wu, "Electromagnetic Vibration Analysis of High Speed Motorized Spindle Considering Length Reduction of Air Gap," International Journal of Computer and Electrical Engineering vol. 9, no. 2, pp. 456-464, 2017.

General Information

ISSN: 1793-8163
Frequency: Semiyearly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, Engineering & Technology Digital Library, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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