Page 200 - ISCAR(HOLE_MAKING_CATALOG_65)
P. 200
USER GUIDE
DEEP DRILLING - BTA SYSTEM
Technical Guide
STS - Machine setting for single tube system DTS - Machine setting for double tube system
Net power Net power
8 10
9
7 Vc = 100 m/min
8 f = 0.25 mm/rev
6 Vc = 75 m/min
f = 0.25 mm/rev 7
5 6
Pc (kW) 4 3 Pc (kW) 5 4
2 3 Vc = 70 m/min
Vc = 75 m/min 2 f = 0.25 mm/rev
1 f = 0.15 mm/rev 1
0 0 18 19 20 21 22 23 24 25 26 27 28
16 17 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
Feed force Feed force
8 10
7
8
6 f = 0.25 mm/rev
f = 0.25 mm/rev
5 6
Ff (kN) 4 3 Ff (kN) 4
2 f = 0.15 mm/rev
f = 0.15 mm/rev 2
1
0
0 18 19 20 21 22 23 24 25 26 27 28
16 17 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
Torque Torque
0.1 0.1
0.08 0.08
f = 0.25 mm/rev f = 0.25 mm/rev
0.06 0.06
T (kNm) 0.04 T (kNm) 0.04
f = 0.15 mm/rev f = 0.15 mm/rev
0.02 0.02
0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
Coolant pressure Coolant pressure
10 3
9 1MPa = 1.0 N/mm 2
2.5
8 2 1Mpa ≈ 10 atm
1MPa = 1.0 N/mm
7 1Mpa ≈ 10 atm
2
6
P (MPa) 5 4 3 P (MPa) 1.5 1
2
0.5
1
0
16 17 18 19 20 21 22 23 24 25 26 27 28 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
Coolant volume Coolant volume
120
200
180
100
160
140
80
120
q (l/min) 100 q (l/min) 60
80
60
40
40
20
0
0 18 19 20 21 22 23 24 25 26 27 28
16 17 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
The above values should not be used as the exact recommendations.
They may need modification depending on the machining conditions, materials, etc.
198 ISCAR
