Page 934 - widin

9

[ DA412 series ] ► 고속 가공

추천절삭조건표 피삭재 열처리강

> Technical Data 경도 HRc45 ~ HRc50 HRc50 ~ HRc55 HRc55 ~ HRc60
강도
외경(inch) 1500 ~ 1750N/mm2 1750 ~ 2000N/mm2 2000 ~ 2080N/mm2
R1/16 X 1/8
R3/32 X 3/16 RPM FEED RPM FEED RPM FEED
R1/8 X 1/4
R5/32 X 5/16 12,700 68.90 12,300 65.70 11,800 39.90
R3/16 X 3/8
R1/4 X 1/2 9,400 65.00 9,050 61.80 8,600 29.50
R5/16 X 5/8
R3/8 X 3/4 8,600 68.90 8,250 65.70 7,850 27.60
R1/2 X 1
7,000 61.00 6,700 57.50 6,350 25.60
RPM = rev. / min.
FEED = inch / min. 6,050 57.10 5,800 53.50 5,450 24.40

5,450 55.90 5,200 52.40 4,900 24.00

4,350 48.40 4,150 44.50 3,900 10.40

3,500 39.40 3,300 35.40 3,150 8.70

2,800 39.40 2,640 35.40 2,520 8.70

Ae: D1/8=.006 Ae
D3/16~D5/16=.010
D3/8~D1=.012 Ap

Ap: 0.05 X D

[ DA512, DA302 series ] ► 일반 가공

피삭재 비합금강 합금강 열처리강
합금강, 주철 내열강
경도
강도 ~ HRc30 HRc30 ~ HRc40 HRc45 ~ HRc65
외경(inch)
R1/64 X 1/32 ~ 1000N/mm2 1000 ~ 1250N/mm2 1500N/mm2
R1/32 X1/16
R3/64 X 3/32 RPM FEED RPM FEED RPM FEED
R1/16 X 1/8
R3/32 X 3/16 15,760 9.80 12,720 7.80 5,800 3.80
R1/8 X 1/4
R5/32 X 5/16 15,760 13.80 12,140 1.60 5,320 4.70
R3/16 X 3/8
R1/4 X 1/2 14,400 29.50 10,700 19.30 4,680 5.90
R5/16 X 5/8 13,100 26.70
R3/8 X 3/4 10,000 18.10 4,520 5.90

RPM = rev. / min. 9,140 32.30 7,300 22.80 3,680 7.10
FEED = inch / min. 7,780 33.00
6,300 24.80 3,160 7.50

5,260 37.50 4,420 26.00 2,100 7.50
4,620 40.10
3,780 28.00 1,780 7.50

3,780 35.40 2,940 26.00 1,360 7.50
2,740 36.20
2,100 33.00 2,320 26.00 1,160 7.50

1,900 25.00 840 7.50

Ae: D1/32~D1/4=.008inch Ae Ae: D1/32~D1/4=.008inch
D5/16~D3/4=.012inch D5/16~D3/4=.012inch

Ap: 0.2 X D Ap: 0.1 X D

Ap

934