Technical Guide

Setting guidelines for cutting loads, fluid Setting guidelines for cutting loads, fluid

pressure and flow rate during STS operation pressure and flow rate during DTS operation

Net power Net power

80 80

Vc = 100 m/min60Vc = 100 m/min
60f = 0.25 mm/revf = 0.25 mm/rev
40
40
Vc = 70 m/min20Vc = 70 m/min
20f = 0.15 mm/revf = 0.15 mm/rev
050200 150 100 250300 050300 200 100Drill dia. (mm)150 250
Drill dia. (mm)
Vc = 100 m/min20 Vc = 100 m/min
20f = 0.25 mm/rev
f = 0.25 mm/rev15
15
1010Vc = 70 m/min
Vc = 70 m/min5f = 0.15 mm/rev
5f = 0.15 mm/rev
040 30 20 10 50
040 30 20 10 50Drill dia. (mm)
Drill dia. (mm)
Feed forceFeed force
50
50Vc = 100 m/min
Vc = 100 m/min40f = 0.25 mm/rev
40f = 0.25 mm/rev
30
30
20
20Vc = 70 m/minVc = 70 m/min
f = 0.15 mm/rev10f = 0.15 mm/rev
10
050300 100Drill dia. (mm)150 200 250
050100Drill dia. (mm)150200 250300
10 Vc = 100 m/min
10 Vc = 100 m/minf = 0.25 mm/rev
f = 0.25 mm/rev
5Vc = 70 m/min
5Vc = 70 m/minf = 0.15 mm/rev
f = 0.15 mm/rev
040 30 20 10 50
040 30 20 10 50Drill dia. (mm)

Drill dia. (mm) Torque Torque 8

8 Vc = 100 m/min 6 f = 0.25 mm/rev

Vc = 100 m/min

6 f = 0.25 mm/rev 4 4 Vc = 70 m/min 2

Vc = 70 m/min f = 0.15 mm/rev

2 f = 0.15 mm/rev

050100150200250300
Drill dia. (mm)
050100150200250300
Drill dia. (mm)
0.2Vc = 100 m/min
0.2Vc = 100 m/minf = 0.25 mm/rev
f = 0.25 mm/rev
0.1Vc = 70 m/min
0.1Vc = 70 m/minf = 0.15 mm/rev
f = 0.15 mm/rev

0 10 20 30 40 50

01020304050Drill dia. (mm)
Drill dia. (mm)
Coolant pressure
Coolant pressure
21MPa = 1.0 N/mm20.75

1Mpa ≈ 10 atm 0.5 1MPa = 1.0 N/mm2 1 1Mpa ≈ 10 atm

0.25

0 100 200 300 400 500 0 50 100 150 200

Drill dia. (mm) Drill dia. (mm) 8 1.5 6 1

4 2 0.5

10 0 203050 40 60700 102030 4060 50 70
Drill dia. (mm)Drill dia. (mm)
Coolant volumeCoolant volume
2000400
1500300
1000200
500100
0100200300 050100200 150

Drill dia. (mm) Drill dia. (mm) 200 100 150 100 50

50

0 10 20 30 40 50 0 10 20 30 40 50

Drill dia. (mm) Drill dia. (mm)