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Classification of metal cutting vibrations, is it all chatter?
Responsible organisation
2008 (English)Conference paper, (Other academic) Published
Abstract [en]

Chatter vibrations are causing large monetary losses daily in industry. New materials have increased the challenges with harmful vibration levels. Since the vibrations, when observed as a final result, are chaotic and the vibration process nonlinear, it is a challenging task to deal with it. It is also a common “understanding” in the cutting industry that chatter is RPM (the rotational speed) dependent, since the behaviour changes with RPM. Many attempts have been done over many years to mitigate and understand the vibrations. In our vast research on these topics, we have found that it is rewarding to classify the vibrations into categories, enabling a better understanding of its underlaying physics and “source of vibrations,” and thus also the formulation of a possible remedy. An analysis approach has been developed where vibrations are analyzed and categorized and a GO/NOGO indicator is telling if the machine has the “right type of vibrations.” The work includes a unique solution to inhibit the chatter process and allowing metal cutting without harmful vibrations, the Acticut™ Smart Cutting product line. This article will discuss how such machine testing can be performed and what solutions are at hand, thus saving important money for the companies and also increases quality.

Place, publisher, year, edition, pages
Edinburgh, 2008.
Keyword [en]
Metal Cutting, Classification
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-8509Local ID: oai:bth.se:forskinfo5EF61299D545CDC3C12574A300221719OAI: oai:DiVA.org:bth-8509DiVA: diva2:836235
Conference
The Fifth International Conference on Condition Monitoring and Machinery Failure Prevention Technologies
Available from: 2012-09-18 Created: 2008-08-12 Last updated: 2015-06-30Bibliographically approved

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Signal Processing

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  • apa
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