Page 185 - UNION

part. Technical DaTa RECOMMENDATION OF CUTTING CONDITIONS Technical DaTa RECOMMENDATION OF CUTTING CONDITIONS part.
B B

da412 - general Speed cutting db412

endmill MATERIAL HARDENED STEELS HARDENED STEELS HARDENED STEELS HARDENED STEELS MATERIAL HARDENED STEELS HARDENED STEELS HARDENED STEELS HARDENED STEELS endmill
& HARDNESS HRc 45~HRc 50 HRc 50~HRc 55 HRc 55~HRc 60 HRc 60~HRc 65 HARDNESS HRc 45~HRc 50 HRc 50~HRc 55 HRc 55~HRc 60 HRc 60~HRc 65 &
drill drill
STRENGTH 1500~1750N/mm2 1750~2000N/mm2 2000~2080N/mm2 2080N/mm2 STRENGTH 1500~1750N/mm2 1750~2000N/mm2 2000~2080N/mm2 2080N/mm2
DIAMETER(inch) RPM FEED RPM FEED RPM FEED RPM FEED DIAMETER(mm) RPM FEED RPM FEED RPM FEED RPM FEED
R1/16×1/8 12700 43.30 12300 41.30 11800 39.40 8400 26.00 1 20000 460 20000 400 20000 350 20000 240
R3/32×3/16 9400 43.30 9050 41.30 8600 37.40 5600 26.80 1.5 16300 640 16100 580 16000 570 14200 360
R1/8×1/4 8600 45.30 8250 43.30 7850 37.40 4850 27.60 2 14500 800 14200 740 13850 760 11300 465
R5/32×5/16 7000 41.30 6700 39.40 6350 37.40 3800 25.60 2.5 13400 950 13000 890 12600 920 9600 560
R3/16×3/8 6050 39.40 5800 37.80 5450 35.40 3200 24.40 3 12700 1100 12300 1050 11800 1000 8400 660
R1/4×1/2 5450 39.40 5200 37.80 4900 35.40 2750 24.40 4 10600 1100 10300 1050 9800 1000 6650 650
R5/16×5/8 4350 34.30 4150 32.70 3900 32.30 2150 10.40 5 9400 1100 9050 1050 8600 950 5600 680
R3/8×3/4 3500 27.20 3300 25.60 3150 24.80 1700 8.70 6 8600 1150 8250 1100 7850 950 4850 700
R1/2×1 2800 27.20 2650 25.60 2520 24.80 1360 8.70 8 7000 1050 6700 1000 6350 950 3800 650
10 6050 1000 5800 960 5450 900 3200 620
RPM = rev. / min.
FEED = inch / min. 12 5450 1000 5200 960 4900 900 2750 610
RPM = rev. / min.
Ae : D1/8=.006 Ae FEED = mm / min.
D3/16 ~ D5/16=.010 Ae : D1 ~ D4=0.05×D Ae
D3/8 ~ D1=.012 D5 ~ D8=0.025mm
D10 ~ D20=0.30mm
Ap : 0.1×D
Ap Ap : D1 ~ D20=0.1×D Ap RPM = rev. / min.
FEED = mm / min.

da412 - high Speed cutting db602, db302

endmill endmill
MATERIAL HARDENED STEELS HARDENED STEELS HARDENED STEELS NON-ALLOYED STEELS ALLOY STEELS
MATERIAL HARDENED STEELS
HARDNESS HRc 45~HRc 50 HRc 50~HRc 55 HRc 55~HRc 65 ALLOY STEELS · CAST IRON HEAT RESISTANT STEELS
HARDNESS ~HRc 30 HRc 30~HRc 45 HRc 45~HRc 55
STRENGTH 1500~1750N/mm2 1750~2000N/mm2 2000~2080N/mm2
STRENGTH ~1000N/mm2 1000~1500N/mm2 1500~2000N/mm2
DIAMETER(inch) RPM FEED RPM FEED RPM FEED
DIAMETER(mm) RPM FEED Ae(mm) RPM FEED Ae(mm) RPM FEED Ae(mm)
R1/16×1/8 12700 68.90 12300 65.70 11800 39.90
R3/32×3/16 9400 65.00 9050 61.80 8600 29.50 0.5 33000~42000 200~540 0.023~0.045 24000~30000 100~300 0.023~0.045 15000~19000 100~2000 0.005~0.009
R1/8×1/4 8600 68.90 8250 65.70 7850 27.60 0.6 33000~42000 250~700 0.027~0.054 24000~30000 120~385 0.027~0.054 15000~19000 120~250 0.005~0.011
R5/32×5/16 7000 61.00 6700 57.50 6350 25.60 0.8 33000~42000 250~700 0.036~0.072 24000~30000 120~385 0.036~0.072 15000~19000 120~250 0.007~0.014
R3/16×3/8 6050 57.10 5800 53.50 5450 24.40 1.0 30000~38000 275~770 0.045~0.090 22000~27000 140~430 0.045~0.090 13500~17500 140~280 0.009~0.018
R1/4×1/2 5450 55.90 5200 52.40 4900 24.00 1.2 25000~32000 275~860 0.055~0.100 18000~23000 140~430 0.055~0.100 11500~14500 140~280 0.010~0.022
R5/16×5/8 4350 48.40 4150 44.50 3900 10.40 1.4 22000~27000 275~860 0.062~0.125 16000~19000 140~430 0.062~0.125 10000~12500 140~280 0.012~0.025
drill R3/8×3/4 3500 39.40 3300 35.40 3150 8.70 1.5 20000~25000 275~860 0.070~0.135 14500~18500 140~430 0.070~0.135 9500~11500 140~280 0.014~0.028 drill
R1/2×1 2800 39.40 2640 35.40 2520 8.70 1.6 19000~25000 275~860 0.075~0.145 14000~17500 140~430 0.075~0.145 9000~11000 140~280 0.015~0.030
1.8 18000~23000 275~860 0.080~0.160 12500~16000 140~430 0.080~0.160 8000~10000 140~280 0.016~0.032
RPM = rev. / min.
FEED = inch / min. 2 16000~20000 275~860 0.090~0.180 11500~14500 140~430 0.090~0.180 7500~9000 140~280 0.018~0.035
3 11000~14000 275~860 0.135~0.270 7500~9500 140~430 0.135~0.270 5000~6000 140~280 0.028~0.055
4 9000~12000 275~860 0.180~0.360 6100~8200 140~430 0.180~0.360 4000~5000 140~280 0.035~0.070
Ae : D1/8=.006 Ae
D3/16 ~ D5/16=.010 RPM = rev. / min.
FEED = mm / min.
D3/8 ~ D1=.012
Ap : 0.1×D Ae
Ap RPM = rev. /
min.
RPM = rev. / min. FEED = mm /
FEED = mm / min. min.

80 Union Materials cUttinG tools 81