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Fault diagnosis of cylindrical grinding machine

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Abstract

Based on experiment modal analysis (EMA) and operation modal analysis (OMA), the dynamic characteristics of cylindrical grinding machine were measured and provided a basis for further failure analysis. The influences of grinding parameters on dynamic characteristics were studied by analyzing the diagnostic signals extracted from racing and grinding experiments. The significant frequency of 38 Hz related to grinding wheel spindle speed of 2 307 r/min showed that the wheel spindle system was in a state of imbalance. And wheel rotating frequency of 38.45 Hz in grinding process was close to the first natural frequency of 38 Hz, which resulted in resonance. Moreover, the main excitation at 147 Hz in grinding process together with resonance led to the deterioration of workpiece. Roundness measurement of workpiece shows good agreement with the vibration responses obtained from dynamic experiments. The fault diagnosis method was also applicable to similar machining systems.

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Authors and Affiliations

  1. School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China

    Bing Du  (杜 兵), Hongwei Zhang  (张宏伟) & Yongxiang Jiang  (蒋永翔)

Authors
  1. Bing Du  (杜 兵)
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  2. Hongwei Zhang  (张宏伟)
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  3. Yongxiang Jiang  (蒋永翔)
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Corresponding author

Correspondence to Hongwei Zhang  (张宏伟).

Additional information

DU Bing, born in 1984, male, doctorate student.

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Du, B., Zhang, H. & Jiang, Y. Fault diagnosis of cylindrical grinding machine. Trans. Tianjin Univ. 16, 40–44 (2010). https://doi.org/10.1007/s12209-010-0008-3

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  • DOI: https://doi.org/10.1007/s12209-010-0008-3

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