Fabrication of ball end mills for high speed milling and their cutting characteristics - Tool life improvement and machining stabilization through land treatment on cutting edge of solid ball end mill

Translated title of the contribution: Fabrication of ball end mills for high speed milling and their cutting characteristics - Tool life improvement and machining stabilization through land treatment on cutting edge of solid ball end mill

Yi Lu, Yoshimi Takeuchi, Ichiro Takahashi, Masahiro Anzai, Kiwamu Kase

Research output: Contribution to journalArticle

Abstract

High speed milling has been realized owing to a number of component technologies. The advancement of these technologies plays a pivotal role in practical application of high speed milling. Cutting tool is one of the most important component technologies among them. Especially, ball end mills, which are the central tools for die and mould machining, have wide usage. Therefore, ball end mills with long tool life and high machining performance are strongly demanded. However, the relationship between tool shapes of ball end mill and high speed milling has not been made clear since it is hard to analyze some complex tool shape parameters. The study focuses on the cutting edge shapes of ball end mills, and allows the creation of micro-lands on rake face and flank face in order to make tool lives longer and keep machining more stable. They are named Neg-land (land between cutting edge and rake face) and Pos-land (land between cutting edge and flank face). High speed cutting experiments enable us to recognize some specific cutting characteristics of created ball end mills. Based on the obtained characteristics, ball end mills with an original cutting edge shape (Opt-tool) are again proposed and produced. As a result, it is experimentally found that the Opt-tool shows the longest tool life and the highest machining performance in high speed milling.

Original languageJapanese
Pages (from-to)1584-1589
Number of pages6
JournalSeimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering
Volume69
Issue number11
Publication statusPublished - 2003 Nov
Externally publishedYes

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Milling (machining)
Machining
Stabilization
Fabrication
Cutting tools

Keywords

  • Ball end mill
  • Cutting characteristics
  • High speed milling
  • Land
  • Tool grinding CAD/CAM system

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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