00917nam a2200241 k 4500001001300000005001500013008004100028041001300069049003200082052001600114056001400130082001600144245013400160260003600294300003200330502008600362504002900448590001700477650003900494653007700533700004100610900002400651KDM20051525520200814152910050516s2001    ulka       AK 000   kor  0 akorbeng0 lEM3304819lEM3304820c2fDP01a552.52b5-1  a552.52240 a621.95222100a드릴 공정에서 주축 모터 전류를 이용한 절삭 토크 제어=xCutting torque control in drilling using/d오영탁  a서울:b서울대학교,c2001  axii, 183장:b삽도;c26cm1 a학위논문(박사) --b서울대학교 대학원:c기계항공공학부,d2001  a참고문헌: 장175-179  y복사본임 8a드릴링[drilling]0KSH1998009892  a표준트위스트드릴a깊은구멍a공구마모a주축모터전류1 a오영탁,d1969-0KAC2017029584aut10aO, Yeongtak,d1969-