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김혁(H Kim),고용석(YS Go),최수란(SR Choi),고봉호(BH Koh),신면우(MW Shin) 대한산부인과학회 1995 Obstetrics & Gynecology Science Vol.38 No.10
Carconoma of fallopian tube accounts for less than 1% of all cancers of the female genital tract. A 62 years old woman presented with a pelvic mass. pathologic examination of the resected specimen revealed a primary adenocarcinoma of the right fallopian tube. We have expearienced this case and reported with brief review of literatures.
채터진동 검출 및 회피를 위한 가상 동적 가공시스템 구축
김혁(H. Kim),조문호(M. H. Jo),구준영(J. Y. Koo),이종환(J. H. Lee),김정석(J. S. Kim) 한국생산제조학회 2014 한국생산제조학회지 Vol.23 No.3
This study presents a chatter vibration avoidance program for the milling process. Chatter vibration has a negative effect on workpieces and spindle-tools. When chatter vibration occurs, the cutting tool is loaded dynamically, a chatter pattern is generated on the workpiece, and the tool life is reduced. The developed program is composed of various modules such as an FFT analyzer, an impact test analyzer, a chatter vibration indicator, and a spindle speed recommender. The proposed program is verified using an AISI D2 cutting experiment in milling process. The effect of chatter vibration on the machining condition can be simulated by the suggested method, and successfully exploited to avoid chatter vibration.