CuttingFeed:f (mm/rev)
ISOWorkpiece materialspeedDC(mm)
Vc (m/min)ø6 - 7.9ø8 - 9.9ø10 - ø11.9ø12 - ø13.9ø14 - ø15.9ø16 - ø19.9ø20 - ø25.9
Low carbon steels (C < 0.3) SS400, SM490, S25C, etc. C15E4, E275A, E355D, etc.80 - 1400.09 - 0.130.12 - 0.250.15 - 0.280.18 - 0.30.20 - 0.350.25 - 0.450.25 - 0.45
High carbon steels (C > 0.3) S45C, S55C, etc. C45, C55, etc.70 - 1200.09 - 0.130.12 - 0.250.15 - 0.280.18 - 0.30.2 - 0.350.25 - 0.450.25 - 0.45
Low alloy steels SCM415, etc. 18CrMo4, etc.70 - 1200.08 - 0.130.11 - 0.250.14 - 0.280.16 - 0.320.18 - 0.350.23 - 0.40.25 - 0.45
Alloy steels SCM440, SCr420, etc. 42CrMo4, 20Cr4, etc.40 - 900.08 - 0.130.11 - 0.250.14 - 0.280.16 - 0.320.18 - 0.350.23 - 0.40.25 - 0.45
Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-2, etc.30 - 700.08 - 0.10.1 - 0.150.12 - 0.180.14 - 0.20.16 - 0.240.16 - 0.260.18 - 0.3
Grey cast irons FC250, etc.80 - 1800.12 - 0.180.15 - 0.30.20 - 0.350.25 - 0.40.3 - 0.450.35 - 0.550.35 - 0.6
GG25, etc.
Ductile cast irons FCD700, etc. GGG70, etc.80 - 1400.12 - 0.180.15 - 0.30.20 - 0.350.25 - 0.40.3 - 0.450.35 - 0.550.35 - 0.6
Aluminium alloys ADC12, etc. AlSi11Cu3, etc.80 - 2200.1 - 0.20.2 - 0.350.25 - 0.40.3 - 0.450.35 - 0.50.4 - 0.60.5 - 0.75
Titanium alloys Ti-6Al-4V, etc.20 - 500.05 - 0.070.06 - 0.120.08 - 0.150.1 - 0.280.12 - 0.20.14 - 0.220.18 - 0.27
Nickel-based alloys20 - 500.05 - 0.070.06 - 0.110.08 - 0.130.1 - 0.150.12 - 0.180.12 - 0.220.14 - 0.22
Hardened steel20 - 500.05 - 0.070.06 - 0.120.08 - 0.150.1 - 0.180.12 - 0.20.14 - 0.220.16 - 0.25

- Cutting conditions in the above table show standard cutting conditions. - Machined hole diameter may change depending upon the rigidity of the - Cutting conditions may change due to the rigidity and power of the machine machine tool or cutting conditions. and the workpiece material. - In case of L/D = 8,12 drill, the recommended range of cutting speeds and feeds is between the minimum and median values listed above.

CLAMPING KEY FO R MEASURING U N - C L A M PI N G TORQUE

To check drill body duration, measure un-clamping torque by using a torque-driver

Recommended value of un-clamping torque that means usable limit of a drill body shown in below table.

Head Designation(N・m) Recommended value that means usable(cN・m) of un-clamping torque limit of a drill body
DM100-1090.220
DM110-1190.220
DM120-1290.2525
DM130-1390.2525
DM140-1490.330
DM150-1590.330
DM160-1690.3535
DM170-1790.3535
DM180-1890.440
DM190-1990.440

can be connect