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[ DA702, ZB702A, DA703, DA734 series ]

피삭재 열처리강 HRc40 ~ HRc50 HRc50 ~ HRc55 열처리강 HRc60 ~ HRc65 HRc65 ~ HRc70 > Technical Data
내열강 RPM FEED RPM FEED RPM FEED RPM FEED
경도 50,000 165.35 45,000 149.61 HRc55 ~ HRc60 35,000 102.36 35,000 90.55 추천절삭조건표
외경(inch) HRc30 ~ HRc40 47,800 188.98 40,000 157.48 RPM FEED 32,000 110.24 28,500 90.55
R1/64 X 1/32 RPM FEED 47,800 188.98 40,000 157.48 40,000 118.11 32,000 110.24 28,500 90.55
R1/32 X 1/16 50,000 188.98 31,800 208.66 26,500 157.48 35,000 124.02 21,000 110.24 19,000 90.55
R3/64 X 3/32 49,700 224.41 17,800 192.91 15,000 147.64 35,000 124.02 11,500 100.39 10,500 82.68
R1/16 X 1/8 49,700 224.41 13,400 161.42 11,000 122.05 23,500 124.02 8,800 84.65 8,000 68.90
R3/32 X 3/16 33,100 236.22 10,700 137.80 9,000 106.30 13,500 120.08 7,000 72.83 6,500 61.02
R1/8 X 1/4 18,600 228.35 8,900 122.05 7,500 94.49 10,000 98.43 5,800 64.96 5,300 54.33
R5/32 X 5/16 13,900 190.94 6,680 98.43 5,600 74.80 8,000 84.65 4,400 49.21 4,000 41.34
R3/16 X 3/8 11,100 165.35 6,600 74.80
R1/4 X 1/2 9,300 145.67 5,000 61.02
6,950 116.14
RPM = rev. / min.
FEED = inch / min. 0.02D

※ 롱 또는 엑스트라 롱 시리즈는 절삭속도를 50% 줄여 사용하십시오. 0.05D

[ DA412 series ] ► 고속 가공

피삭재 열처리강

경도 HRc45 ~ HRc50 HRc50 ~ HRc55 HRc55 ~ HRc60 HRc60 ~ HRc65
강도
외경(inch) 1500 ~ 1750N/mm2 1750 ~ 2000N/mm2 2000 ~ 2080N/mm2 2080N/mm2
R1/16 X 1/8
R3/32 X 3/16 RPM FEED RPM FEED RPM FEED RPM FEED
R1/8 X 1/4
R5/32 X 5/16 12,700 43.30 12,300 41.30 11,800 39.40 8,400 26.00
R3/16 X 3/8
R1/4 X 1/2 9,400 43.30 9,050 41.30 8,600 37.40 5,600 26.80
R5/16 X 5/8
R3/8 X 3/4 8,600 45.30 8,250 43.30 7,850 37.40 4,850 27.60
R1/2 X 1
7,000 41.30 6,700 39.40 6,350 37.40 3,800 25.60
RPM = rev. / min.
FEED = inch / min. 6,050 39.40 5,800 37.80 5,450 35.40 3,200 24.40

5,450 39.40 5,200 37.80 4,900 35.40 2,750 24.40

4,350 34.30 4,150 32.70 3,900 32.30 2,150 10.40

3,500 27.20 3,300 25.60 3,150 24.80 1,700 8.70

2,800 27.20 2,650 25.60 2,520 24.80 1,360 8.70

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

Ap: 0.1 X D

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