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Effects of Cutting Speed and Feed Rate on Axial Shape in Side Walls Generated by Flat End-milling Process

평엔드밀링 공정에서 절삭속도 및 이송속도가 측벽의 축방향 형상에 미치는 영향

  • Kim, Kang (School of Mechanical Engineering, Kookmin Univ.)
  • 김강 (국민대학교 기계공학부)
  • Received : 2016.11.25
  • Accepted : 2017.01.05
  • Published : 2017.05.01

Abstract

This paper presents the effects of the cutting speed and feed rate on the axial shape of flat end-milled down cut side walls. Experiments were performed using the cutting speed, tool diameter, and feed per tooth as variables, and the thrust force and axial shape were measured as the experimental results. The results of this study confirmed that a smaller feed per tooth, which is proportional to the value obtained by dividing the feed rate by the cutting speed, results in a higher axial shape accuracy. In addition, the axial shape can be simplified to a form in which two straight lines having different slopes meet at a singular point. Therefore, it was concluded that the shape accuracy could easily be estimated during the operation and improved by adjusting the feed per tooth.

Keywords

Flat End-milling Process;Down Cut;Cutting Speed;Feed Rate;Feed per Tooth;Axial Shape;Side Walls

References

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