On stability prediction for milling

Janez Gradišek, Martin Kalveram, Tamás Insperger, Klaus Weinert, Gábor Stépán, Edvard Govekar, Igor Grabec

Research output: Contribution to journalArticle

163 Citations (Scopus)

Abstract

Stability of 2-dof milling is investigated. Stability boundaries are predicted by the zeroth order approximation (ZOA) and the semi-discretization (SD) methods. While similar for high radial immersions, predictions of the two methods grow considerably different as radial immersion is decreased. The most prominent difference is an additional type of instability causing periodic chatter which is predicted only by the SD method. Experiments confirm predictions of the SD method, revealing three principal types of tool motion: periodic chatter-free, quasi-periodic chatter and periodic chatter, as well as some special chatter cases. Tool deflections recorded during each of these motion types are studied in detail.

Original languageEnglish
Pages (from-to)769-781
Number of pages13
JournalInternational Journal of Machine Tools and Manufacture
Volume45
Issue number7-8
DOIs
Publication statusPublished - Jun 1 2005

Keywords

  • End milling
  • Stability prediction

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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