Page 1572 - Master Catalog 2017, Inch

Indexable Drills
Feed Force Requirement

„ Feed Force Requirement

Steel 4140 Steel 4140
2250 10
2025 9
1800 8
1575 f = .0098 IPR 7 6 f = 0.25
Feed Force [lbf] 1125 f = .0079 IPR Feed Force [kN] 5 4 f = 0.20
1350

900
675
450 f = .0063 IPR 3 2 f = 0.16
f = .0047 IPR f = 0.12
225 1
0 0
0.472 0.630 0.787 0.945 1.102 1.260 1.417 1.575 1.732 1.890 2.047 2.205 2.362 2.520 2.677 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68
Drill Diameter D1 (inch) Drill Diameter D1 (mm)

Stainless Steel 304 Stainless Steel 304
2250 10
f = .0079 IPR
f = 0.20
2025 9
1800 8
f = .0071 IPR f = 0.18
1575 7 6
Feed Force [lbf] 1125 f = .0047 IPR Feed Force [kN] 5 4 f = 0.15
1350
f = .0059 IPR
900
675
450 3 2 f = 0.12
225 1
0 0
0.472 0.630 0.787 0.945 1.102 1.260 1.417 1.575 1.732 1.890 2.047 2.205 2.362 2.520 2.677 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68
Drill Diameter D1 (inch) Drill Diameter D1 (mm)

Cast Iron GG25 Cast Iron GG25
2250 10
2025 9
1800 8
1575 7 6
Feed Force [lbf] 1125 f = .0098 IPR Feed Force [kN] 5 4 f = 0.20
1350
f = 0.25
900
f = .0079 IPR
675
450 f = .0059 IPR 3 2 f = 0.16
f = .0047 IPR f = 0.12
225 1
0 0
0.472 0.630 0.787 0.945 1.102 1.260 1.417 1.575 1.732 1.890 2.047 2.205 2.362 2.520 2.677 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68
Drill Diameter D1 (inch) Drill Diameter D1 (mm)

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