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Identification and Modelling of Structural Dynamics Characteristics of a Water Jet Cutting Machine
Responsible organisation
2004 (English)Conference paper, (Refereed) Published
Abstract [en]

Dynamic characteristics of a water jet cutting machine, to be used in a virtual machine implemented in an analysis tool for engineering design, are derived. Machine users need for more cost effective production put demands on faster cutting. Faster cutting results in higher dynamic loads. As a consequence, problems with unwanted vibrations that decrease cutting precision may occur. Prediction of such potential problems is facilitated by an analysis tool for evaluation of suggested design solutions early in the product development process. The present work contributes to ongoing development of such an analysis tool for design engineers. An iterative approach including both theoretical and experimental analysis is applied in order to derive a structural dynamics model of the studied machine. A complex dynamic behaviour of the machine is found. High correlation between results obtained from theoretical and experimental modal analysis implies that the developed model can be used with confidence in future studies of the machine’s total system behaviour.

Place, publisher, year, edition, pages
Detroit: SEM , 2004.
Keyword [en]
Experimental investigation, Modal analysis, Modelling, Structural dynamics, Vibrations.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-9426Local ID: oai:bth.se:forskinfoE57103742BCD32CAC125707B002B20F7OAI: oai:DiVA.org:bth-9426DiVA: diva2:837270
Conference
International Modal Analysis Conference - IMAC
Available from: 2012-09-18 Created: 2005-09-13 Last updated: 2015-06-30Bibliographically approved

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Wall, JohanBerghuvud, Ansel
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