Cause Analysis and Diagnosis of Unbalanced Vibration of Rotor

Abstract:

The paper starts from from the rotor unbalance fault, and analyze the reasons of unbalanced rotor are improper design, material defects, process and assemble error, process problem; Summarizes the frequency spectrum characteristics of rotor unbalance, its features, frequency components of speed have protruding peak on spectrum diagram of detection in radial direction;Puts forward the diagnosis methods of Unbalanced vibration, the first step is to analyze vibration signal frequency components, then analyze its characteristics of vibration in the direction of the change of amplitude and phase. Proved by examples, this paper summarizes the rotor unbalance analysis and diagnosis method is simple and practical, and has reference significance for other vibration problem.

• Periodical: Advanced Materials Research (Volumes 765-767)
• Pages: 2180-2184
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.765-767.2180
• Online since: September 2013
• Authors: Hong Wei Chen, Rong Jie Wang
• Keywords: Diagnosis, Rotor, Unbalance, Vibration

References

[1] Hongwei Chen. Centrifugal compressor vibration analysis and vibration. Shandong Qingdao, shandong university of science and technology institute of noise and vibration, 2006. 18-50（in Chinese）.

[2] Hongwei Chen. Noise and vibration control, 2008, 28 (6)36-38（in Chinese）.

[3] Zhong Lin. Instrumentation technology, 2009, (9)36-38（in Chinese）.

[4] Hui Wang, Xiuyun Sun and Wei Liu. Mechanical manufacturing and automation, 2007, 4 (4)95-97（in Chinese）.

[5] Xiaowei Huang, Zhonglin Tang. Mechanical science and technology, 1999, (5)721-724（in Chinese）.

[6] Zongyao Luo, Yudong Li, Jikui Sun, Junyong Zhao and Haiyan Liu. Shandong metallurgy, 2007, (1)（in Chinese）.

[7] Weixin Shi. China electric power, 38 (3) : 47 – 53（in Chinese）.