Fifth octave mode chatter in rolling

P. H. Hu; K. F. Ehmann

doi:10.1243/0954405011518737

Fifth octave mode chatter in rolling

P. H. Hu, K. F. Ehmann^*

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

An analytical model making it possible to determine rolling mill stability against fifth octave mode chatter is introduced. The constituents of this model, i.e. a linearized dynamic process model and a structural dynamics model, are defined and combined to obtain a complete expression of mill behaviour under dynamic conditions. Subsequently, mill stability is investigated, using established linear system analysis methods, as a function of a number of mill operational parameters. Finally, illustrative simulation examples are used to highlight typical mill responses in the presence of impending fifth and third octave mode instabilities.

Original language	English (US)
Pages (from-to)	797-809
Number of pages	13
Journal	Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Volume	215
Issue number	6
DOIs	https://doi.org/10.1243/0954405011518737
State	Published - 2001

Keywords

Fifth octave mode chatter
Rolling
Rolling chatter
Rolling stability

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1243/0954405011518737

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AB - An analytical model making it possible to determine rolling mill stability against fifth octave mode chatter is introduced. The constituents of this model, i.e. a linearized dynamic process model and a structural dynamics model, are defined and combined to obtain a complete expression of mill behaviour under dynamic conditions. Subsequently, mill stability is investigated, using established linear system analysis methods, as a function of a number of mill operational parameters. Finally, illustrative simulation examples are used to highlight typical mill responses in the presence of impending fifth and third octave mode instabilities.

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KW - Rolling

KW - Rolling chatter

KW - Rolling stability

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Fifth octave mode chatter in rolling

Abstract

Keywords

ASJC Scopus subject areas

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