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CARBIDE
Work Gray Cast Iron ( < 350MPa) Ductile Cast Iron ( < 450MPa)
Material GG30 GGG45
Drill Dia. Cutting Speed Revolution Feed rate Table Feed Cutting Speed Revolution Feed rate Table Feed
(min-1) (Min. Max.) (min-1) (Min. Max.) (mm/min)
(mm) (m/min) (mm/min) (m/min)
(mm/rev) (mm/rev) 190
0.5 40 25400 250 30 19000 440
0.01 (0.005 0.015) 555 40 12700 0.01 (0.005 0.015) 460
1.0 50 15900 580 40 8400 440
0.035 (0.020 0.050) 550 40 6300 0.035 (0.020 0.050) 535
1.5 50 10600 645 50 6300 680
0.055 (0.035 0.080) 950 65 6800 0.055 (0.035 0.080)
2.0 50 7900
0.07 (0.040 0.100) 0.07 (0.040 0.100)
2.5 60 7600
0.085 (0.050 0.125) 0.085 (0.050 0.125)
2.95 90 9500
0.10 (0.060 0.130) 0.10 (0.060 0.130)
Aluminium Alloy (Si<5%) Heat ResistantAlloy
Inconel718
Work
Material
Drill Dia. Cutting Speed Revolution Feed rate Table Feed Cutting Speed Revolution Feed rate Table Feed
(min-1) (Min. Max.) (min-1) (Min. Max.) (mm/min)
(mm) (m/min) (mm/min) (m/min)
(mm/rev) (mm/rev) 35
0.5 40 25400 355 10 6300 60
1.0 60 19000 0.014 (0.008 0.020) 950 10 3100 0.006 (0.004 0.008) 60
1.5 80 16900 1435 10 2100 90
2.0 90 14300 0.05 (0.030 0.075) 1500 15 2300 0.02 (0.016 0.027) 95
2.5 100 12700 1710 15 1900 145
2.95 120 12700 0.085 (0.053 0.120) 2920 20 2100 0.03 (0.025 0.040)
0.105 (0.060 0.150) 0.04 (0.032 0.050)
0.135 (0.075 0.200) 0.05 (0.040 0.060)
0.23 (0.100 0.350) 0.07 (0.050 0.090)
DRILLING
OPERATION GUIDANCE L020 L017
TECHNICAL DATA N001
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