• 제목/요약/키워드: 절삭력 파형

검색결과 2건 처리시간 0.018초

2날 엔드밀 슬롯 가공시 칩두께 모델의 개선 (Improvement of Chip Thickness Model in 2-flutes Slot End Milling)

  • 이동규;이기용;이근우;오원진;김정석
    • 한국정밀공학회지
    • /
    • 제22권1호
    • /
    • pp.32-38
    • /
    • 2005
  • Generally, cutting force models use a sin function method to calculate chip thickness. In slot end milling, the error from a sin function method is much bigger than other machining because a tool rotation angle in cutting is much larger. Thus in this paper, a new method to calculate chip thickness was suggested and evaluated. In a new method, tool position data according to tool rotation are checked and stored so that it is possible correct chip thickness is calculated. Cutting force waveforms simulated from a sin function method and a new method and measured waveforms from experiments were compared and error percentages were obtained. Finally, a new method had good results for simulating cutting force in slot end milling.

4날 엔드밀 가공시 런아웃 모델링과 측정 방법 (Runout Modeling and Measurement Method in 4-flutes End Milling)

  • 이기용;이동규;이근우;박진호;김정석
    • 한국정밀공학회지
    • /
    • 제21권3호
    • /
    • pp.22-29
    • /
    • 2004
  • Runout causes severe differences among cutting force waveforms due to changes of rotational radii. Thus a runout model must be included in a cutting force model to simulate cutting force accurately. In this paper, a runout modeling method and a measurement method using a dialgauge were developed, which were easy to apply. To calculate runout parameters, a computer program algorithm which obtained runout parameters from measurement values was developed. Cutting force waveforms simulated from cutting force model considering runout effect and measured from experiments had good agreements for their wave size and order.