한국공작기계학회:학술대회논문집 (Proceedings of the Korean Society of Machine Tool Engineers Conference)

한국생산제조학회 (The Korean Society of Manufacturing Technology Engineers)
권호 표지

냉간 인발된 쾌삭강의 칩절단특성

Chip Breaking Characteristics of Cold-Drawn Free Machining Steel

  • 장은실 (경북대학교 대학원 기계공학과) ;
  • 최원식 (경일대학교 기계공학과) ;
  • 이용주 (대구서부공업고등학교) ;
  • 강태봉 (경북기계공업고등학교) ;
  • 이영문 (경북대학교 기계공학부)
  • 발행 : 1999.05.01
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초록

In this study, to assess chip breaking characteristics of cold-drawn free machining steels, a newly developed non-dimensional parameter, chip breaking index, C/sub B/ has been adopted. And for comparison with free machining steels, chip breaking characteristics of conventional carbon steels were investigated. Properly controlled chips were produced with the C/sub B/ value of 0.05∼0.2, regardless of steel types. In case of cold-drawn free machining steels, however, cycle times of chip breaking are relatively shorter than those of conventional steels. And properly controlled chips were obtained from wider range of feed rate.

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