Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A Study on Improved Drill Shape for Efficient Drilling of Inconel 718 Using the Design of Experiment

실험계획법을 이용한 Inconel 718의 효율적인 드릴링을 위한 드릴 형상 개선에 관한 연구

  • Kim, Do Hyeog (Department of Mechanical Engineering, Changwon University) ;
  • Park, Ki Bum (Department of Mechanical Engineering, Changwon University) ;
  • Cho, Young Tae (Department of Mechanical Engineering, Changwon University) ;
  • Jung, Yoon Gyo (Department of Mechanical Engineering, Changwon University)
  • Received : 2016.12.28
  • Accepted : 2017.02.13
  • Published : 2017.03.01
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Abstract

Inconel 718, a typical ultraheat-resistant alloy, is recognized as a useful component in aircraft parts owing to its high-temperature strength and good chemical stability. Although many studies have been conducted to determine the proper drill shape to overcome the poor machinability when drilling into Inconel 718, most have involved a cutting process program known as AdvantEdge, as an experimental approach requires much time and money. In this study, our purpose is to optimize the drill shape for efficient drilling by conducting a trust force and temperature analysis using AdvantEdge. In order to achieve this purpose, the reliability of the results of the analysis was verified and by applying design of experiment an analysis of the geometric parameters of the drill shape considering the thrust force and temperature was conducted.

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References

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