Power Requirement

„ Power Requirement

Steel 4140

Drill Diameter D1 (mm)

f = 0.12f = 0.16f = 0.20
(160 m/min)(160 m/min)(160 m/min)
f = 0.25f = 0.12f = 0.25
(160 m/min)(200 m/min)(200 m/min)

f = 0.16 f = 0.20 (200 m/min) (200 m/min)

Stainless Steel 304

Drill Diameter D1 (mm)

f = 0.12f = 0.15f = 0.18
(160 m/min)(160 m/min)(160 m/min)
f = 0.20f = 0.12f = 0.15
(160 m/min)(200 m/min)(200 m/min)

f = 0.18 f = 0.20 (200 m/min) (200 m/min)

Cast Iron GG25

Drill Diameter D1 (mm)

f = 0.12f = 0.16f = 0.20
(160 m/min)(160 m/min)(160 m/min)
f = 0.25f = 0.12f = 0.16
(160 m/min)(240 m/min)(240 m/min)

f = 0.20 f = 0.25 (240 m/min) (240 m/min)