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Citació: Escaler, X.; Torre, O.; Egusquiza, E. Analysis of chatter marks damage on the Yankee dryer surface of a tissue machine. "Engineering failure analysis", 08 Març 2012, vol. 23, p. 44-54.
Títol: Analysis of chatter marks damage on the Yankee dryer surface of a tissue machine
Autor: Escaler Puigoriol, Francesc Xavier Veure Producció científica UPC; Torre Rodríguez, Óscar de la Veure Producció científica UPC; Egusquiza Estévez, Eduard Veure Producció científica UPC
Editorial: Elsevier
Data: 8-mar-2012
Tipus de document: Article
Resum: A tissue machine suffering from Yankee chatter marks has been experimentally investigated. A series of vibration measurements during normal operation at various Yankee speeds on both the creping and the cleaning blade holders have been carried out. The analysis in a frequency range up to 20 kHz has permitted to identify speed dependent frequency peaks and broadband high frequency vibration content on the creping zone. Hence, an experimental modal analysis of the creping blade and holder has been carried out with the machine stopped to identify its natural frequencies. As a result, resonance conditions have been identified due to the gearbox excitation originated by the meshing process. The study of the corresponding mode shapes has permitted to understand the vibration behavior and its relationship with the damage. To solve the problem, the creping blade holder structure has been redesigned to detune the resonances. Since this overhaul, comparable measurements have confirmed a significant reduction of vibrations and high frequency noise. The appearance of chatter marks has been minimized.
ISSN: 1350-6307
URI: http://hdl.handle.net/2117/16356
DOI: 10.1016/j.engfailanal.2012.02.003
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