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Identification of Dynamic Properties of Boring Bar Vibrations in a Continuous Boring Operation
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2004 (English)In: Mechanical systems and signal processing, ISSN 0888-3270, E-ISSN 1096-1216, Vol. 18, no 4, 869-901 p.Article in journal (Refereed) Published
Abstract [en]

Vibrations in internal turning operations are usually a cumbersome part of the manufacturing process. This article focuses on the boring bar vibrations. Boring bar vibrations in alloyed steel, stainless steel and cast iron have been measured in both the cutting speed direction and the cutting depth direction with the aid of accelerometers. The dynamic response of a boring bar seem to be a time varying process that exhibits non-linear behaviour. The process is influenced by non-stationary parameters that are not under the control of the operator or experimenter. The vibrations are clearly dominated by the first resonance frequency in one of the two directions of the boring bar. The problem with force modulation in rotary machinery, which appears as side band terms in the spectrum, is also addressed. Furthermore, the resonance frequencies of the boring bar are correlated to an Euler-Bernoulli beam model.

Place, publisher, year, edition, pages
Academic Press , 2004. Vol. 18, no 4, 869-901 p.
National Category
Signal Processing
URN: urn:nbn:se:bth-9944ISI: 000221440200010Local ID: diva2:837942
Available from: 2012-09-18 Created: 2002-11-07 Last updated: 2015-06-30Bibliographically approved

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Håkansson, LarsClaesson, Ingvar
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