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[ B302, BL422 series ]

피삭재 탄소강, 합금강, 공구강 합금강, 공구강 > Technical Data

경도 ~ HB225 HB225~325 추천절삭조건표
외경(mm)
R0.5 RPM FEED RPM FEED
31,800 572 27,900 502
R1 31,800 27,900
R2 15,900 1,910 13,900 1,670
R3 10,600 1,910 1,670
R4 1,910 9,280 1,670
R5 7,960 1,910 6,960 1,670
R6 6,370 1,780 5,570 1,560
R8 5,310 1,590 4,640 1,390
R10 4,000 1,300 3,500 1,050
R12.5 3,200 1,000 2,800
2,400 2,100 840
RPM = rev. / min. 800 650
FEED = mm / min.
R ap ae
ap R 1.0 0.05 x R이하 0.2 x R이하
ae 1.0＜ R 0.1 x R이하 0.2 x R이하

ㆍ BL422 시리즈는 절삭속도를 20~30% 줄여 사용하십시오.

[ B304 series ]

피삭재 탄소강, 합금강, 공구강 합금강, 공구강

경도 ~ HB225 HB225~325
외경(mm)
R0.5 RPM FEED RPM FEED
39,750 718.25 34,875 6,275
R1 39,750 2,387.5 34,875 2,087.5
R2 19,875 2,387.5 17,375 2,087.5
R3 13,250 2,387.5 11,600 2,087.5
R4 2,387.5 2,087.5
R5 9,950 8,700 1,950
R6 7,962.5 2,225 6,962.5 1,737.5
R8 6,637.5 1,987.5 1,312.5
R10 5,800 1050
R12.5 5,000 1,625 4,375 812.5
4,000 1,250 3,500
RPM = rev. / min. 3,000 1,000 2,625
FEED = mm / min.
R ap ae
ap R 1.0 0.05 x R이하 0.2 x R이하
ae 1.0＜ R 0.1 x R이하 0.2 x R이하

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