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High Frequency Measurements of Cutting Forces in Milling by Inverse Filtering
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
2012 (English)In: Machining science and technology, ISSN 1091-0344, E-ISSN 1532-2483, Vol. 16, no 4, 487-500 p.Article in journal (Refereed) Published
Abstract [en]

Accurate estimates of cutting forces are important in the evaluation of different cutting tool geometries and concepts. However, dynamic influences from the measurement system affect the result, which can make the obtained cutting force data erroneous and misleading. This article presents a method to obtain an inverse filter which compensates for the dynamic influences of the measurement system. Using this approach, unwanted dynamic effects of the measurement system can be counteracted, making it possible to retain information related to the cutting forces contained in the high frequency region. The advantage of the proposed method is illustrated by comparing simulated, inverse- and low-pass filtered forces to unfiltered forces under different cutting conditions. The results show that inverse filtering increases the usable frequency range of the force dynamometer and thereby provide more reliable results compared to both low-pass and unfiltered forces.

Place, publisher, year, edition, pages
Taylor & Francis , 2012. Vol. 16, no 4, 487-500 p.
Keyword [en]
cutting force, deconvolution, dynamometer, inverse filter
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:bth-6947DOI: 10.1080/10910344.2012.698970ISI: 000311938600001Local ID: oai:bth.se:forskinfo51C0FB8631E9DA26C1257B9B0027DFD7OAI: oai:DiVA.org:bth-6947DiVA: diva2:834502
Available from: 2013-07-01 Created: 2013-07-01 Last updated: 2017-03-16Bibliographically approved

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Magnevall, MartinAhlin, KjellBroman, Göran
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