Numerical simulation of self-excited vibrations under variable cutting conditions

Piotr Bąk , Krzysztof Jemielniak

Abstract

A self-excited vibrations are one of the most important constraints to the performance and quality of machining part and it is affecting its dimensions and geometrical accuracy. Machining stability can be evaluated by different analytical and numerical methods. The paper presents utilization of numerical simulation of non-linear chatter in the time domain in stability analysis of machining process. Vibrations and cutting forces are an output from numerical simulation. In order to perform chatter recognition during excessive ibrations an automatic chatter detection is implemented in machining simulation. By combining all the above in one and enabling G-code reading, a tool for numerical simulation and validation of entire machining operation was created which is a subject of this paper.
Author Piotr Bąk ( / / )
Piotr Bąk,,
-
, Krzysztof Jemielniak (FPE / IoMP)
Krzysztof Jemielniak,,
- The Institute of Manufacturing Processes
Journal seriesJournal of Machine Engineering, ISSN 1895-7595, (B 14 pkt)
Issue year2015
Vol15
No1
Pages36-45
Keywords in Polishdrgania samowzbudne, symulacja numeryczna
Keywords in Englishchatter, numerical simulation
URL http://www.not.pl/wydawnictwo/2015JOM/V1/3_BAK.pdf
Languageen angielski
Score (nominal)14
ScoreMinisterial score = 14.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) = 14.0, 28-11-2017, ArticleFromJournal
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