BIG DAISHOWA High Performance Tooling Solutions Vol 3

DRILLS

INDEXABLE INSERT DRILL—CUTTING DATA

Cutting Speed SFM Coolant Delivery

Feed IPR

Material

Drill Diameter Flood Through Tool ≤Ø.812 Ø.845-1.000 Ø1.031-1.188 Ø1.219-1.688 Ø1.750 & Over

Carbon Steel 10XX-15XX, 1018, 1212, 1551 250-400

575-800 550-700 450-580 490-620 600-750 460-590 650-1150

.0020 .0020 .0025 .0025 .0040 .0040 .0060

.0040 .0040 .0030 .0030 .0055 .0055 .0085

.0050 .0050 .0035 .0035 .0060 .0060 .0085

.006 .006 .004 .004 .007 .007 .010

.0080 .0080 .0045 .0045 .0080 .0080 .0120

Alloy Steel 21XX-92XX, 4130, 4340, 8620

230-350

300 Series Stainless Steel 304, 316, 17-4Ph 230-350

400 Series Stainless Steel 410, 430

230-350 250-360 230-270 325-400

Grey Cast Iron

Ductile/Nodular Cast Iron Aluminum & Non-Ferrous

Cutting Speed:

Feed Rate: IPM = RPM x IPR

SFM x 3.82

RPM =

K VALUES

Drill Ø

Carbon Steel

Alloy Steel

Stainless Steel

Grey Cast Iron

Ductile/Nodular Cast Iron

Aluminum & Non-Ferrous

(.785)(D 2 )(RPM)(IPR)

hP=

1.6

1.3

1

1.7

1.5

3.4

K

THRUST REQUIREMENTS

HORSEPOWER REQUIREMENTS

1000 1200 1400 1600 1800 2000

5 10 15 20 25 30 35 40 45

BASED ON DRILLING 1018 STEEL @ 700 SFM

BASED ON DRILLING 1018 STEEL

200 400 600 800

¾" 1" 1¼" 1½" 1¾" 2" 2¼" 2½" 2¾" 3"

Drill Diameter

¾" 1" 1¼" 1½" 1¾" 2" 2¼" 2½" 2¾" 3"

Drill Diameter

COOLANT REQUIREMENTS*

COOLANT VOLUME*

25

75

20

60

15

45

10

30

5

15

D

2x

3x

1"

2"

3"

Drill Depth

Drill Diameter

Flood Coolant Allowed

Coolant Through Drill Required

*For coolant requirements and coolant volume, add 10-20% for vertical drilling operations

A disc is generated during through-boring operations. In case of rotating workpieces, there is an accident hazard due to the development of centrifugal force. Therefore, always work with safety guards. ! CAUTION

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