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2014 | OriginalPaper | Chapter

Experimental Characterization of Chatter in Band Sawing

Authors : Tilen Thaler, Primož Potočnik, Edvard Govekar

Published in: Advances in Condition Monitoring of Machinery in Non-Stationary Operations

Publisher: Springer Berlin Heidelberg

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Abstract

In the paper the results of the characterization of the chatter phenomenon in the band sawing process are presented. In particular, the influence of the cutting speed and of the distance between the cutting blade supports on chatter characteristics was investigated. In addition to the cutting forces, and emitted sound, the machine vibrations described by the measured acceleration signals were used to characterize the chatter. Based on an analysis of these signals, a hysteresis of the chatter onset and chatter die-out cutting speeds was observed. The observed chatter hysteresis indicates that the chatter onset in band sawing is caused by a Hopf-like bifurcation, and that cutting speed is a promising parameter for chatter control. Additionally a strong effect on chatter characteristics of the distance between the cutting blade supports was experimentally confirmed.

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Metadata
Title
Experimental Characterization of Chatter in Band Sawing
Authors
Tilen Thaler
Primož Potočnik
Edvard Govekar
Copyright Year
2014
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-39348-8_60

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