Page 937 - widin

9

[ DA522 series ] ► 고속 가공

피삭재 합금강, 내열강 열처리강 > Technical Data

경도 HRc30 ~ HRc40 HRc45 ~ HRc50 HRc50 ~ HRc55 추천절삭조건표
강도
외경(inch) 1000 ~ 1250N/mm2 1500 ~ 1750N/mm2 1750N/mm2 ~ 2000N/mm2
R1/16 X 1/8
R3/32 X3/16 RPM FEED RPM FEED RPM FEED
R1/8 X 1/4
R5/32 X 5/16 21,000 39.40 12,700 68.90 12,300 65.70
R3/16 X 3/8
R1/4 X 1/2 21,000 70.90 9,400 65.00 9,050 61.80
R5/16 X 5/8
R3/8 X 3/4 21,000 90.90 8,600 69.00 8,250 65.70
R1/2 X 1
15,760 111.80 7,000 61.00 6,700 57.50
RPM = rev. / min.
FEED = inch / min. 13,660 120.10 6,050 57.10 5,800 53.50

10,500 103.50 5,450 55.90 5,200 52.40

8,200 103.50 4,350 48.40 4,150 44.50

6,300 99.20 3,500 39.40 3,300 35.40

5,040 99.20 2,800 39.40 2,650 35.40

Ae: D1/8~D1/4=.008 Ae Ae: D1/8=.006
D5/16~D1=.012 Ap D3/16~D5/16=.010
D3/8~D1=.012
Ap: 0.05 X D
Ap: 0.05 X D

[ MD502 series ] ► 고속 가공

피삭재 비합금강, 합금강, 주철 합금강, 내열강

경도 HRc30 ~ HRc45 HRc45 ~ HRc55
강도 1000 ~ 1500N/mm2 1500 ~ 2000N/mm2
외경(inch)
R.012X.024 RPM FEED RPM FEED
R.0155X.031 30,000 23.60 30,000 11.80
R.020X.040 27,000 25.60 27,000 15.00
R.0235X.047 25,000 25.60 25,000 15.70
R.031X.062 24,000 26.40 24,000 16.50
23,000 27.60 23,000 16.90
RPM = rev. / min.
FEED = inch / min. D < .040 Ae D < .040 Ae
Ae: 0.05 X D Ae: 0.05 X D Ap
Ap: 0.15 X D Ap Ap: 0.1 X D
D≥ .040 D≥ .040
Ae: 0.075 X D Ae: 0.05 X D
Ap: 0.15 X D Ap: 0.15 X D

937