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Transverse Vibration of Papermaking Felt

Research and development

Authors:

  • Zheng Ping
    Key Lab of Textile Science & Technology, Ministry of Edycation, Dong Hua University, Shanghai, P. R. China
  • Zheng Ping
    Shanghai Golden Bear Fabric Co., Ltd., Shanghai, P. R. China
  • Ding Xin
    Key Lab of Textile Science & Technology, Ministry of Edycation, JiangNan University, WuXi, P. R. China
  • Ding Xin
    College of Textiles, Dong Hua University, Shanghai, P. R. China
  • Yang Jinkui
    Shanghai Golden Bear Fabric Co., Ltd., Shanghai, P. R. China
  • Chen Renzhe
    College of Mechanical Engineering, Dong Hua University, Shanghai, P. R. China

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Abstract:

The papermaking felt of high-speed papermaking machine vibrates seriously in a transverse direction. In this study, the transverse vibration of papermaking felt was analysed mechanically with respect to flexural rigidity, and a model was developed. The analytical resolution is obtained by the separation variable method. The result shows that it is a sinusoidal steady-state response. The natural frequency is calculated by the principle of free vibration. The flexural rigidity and density of papermaking felt are the main factors influencing its natural frequency. The validity of the model is verified theoretically and experimentally. The amplitude of the transverse vibration was tested by an optical noncontact measuring system. The amplitude-frequency characteristic curve shows that the natural frequency measured agrees well with the theoretical one.

Tags: papermaking felt, flexural rigidity, transverse vibration, natural frequency, PSD.

Citation: Zheng P., Ding X., Yang J, Chen R.; Transverse Vibration of Papermaking Felt. FIBRES & TEXTILES in Eastern Europe 2010, Vol. 18, No. 3 (80) pp. 108-110.

Published in issue no 3 (80) / 2010, pages 106–108.

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