한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제31권5호
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  • Pages.395-401
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  • 2014
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  • 1225-9071(pISSN)
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  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
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볼 엔드밀 헬릭스 각에 따른 절삭 특성

Cutting Characteristics of Ball-end Mill with Different Helix Angle

  • 조철용 (전북대학교 기계공학과) ;
  • 류시형 (전북대학교 기계공학과)
  • Cho, Chul Yong (Department of Mechanical Engineering, Chonbuk National Univ.) ;
  • Ryu, Shi Hyoung (Department of Mechanical Engineering, Chonbuk National Univ.)
  • 투고 : 2014.03.03
  • 심사 : 2014.04.17
  • 발행 : 2014.05.01
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초록

Development of five axis tool grinding machine and CAD/CAM systems increase tool design flexibility. In this research, investigated are cutting characteristics of ball-end mill with different helix angle. Special WC ball-end mills with $0^{\circ}$, $10^{\circ}$, $20^{\circ}$, $30^{\circ}$ helix angles are designed and used in various cutting tests. Machining performance according to helix angle variation is evaluated from cutting forces, surface roughness, tool wear, produced chip shape, and vibration characteristics. The ball-end mill with $10^{\circ}$ helix angle shows the best cutting performance due to appropriate chip load distribution and smooth chip flow. This research can be used for cutting edge geometry optimization and novel design of ball-end mill.

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참고문헌

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